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A preliminary evaluation of a health monitoring programme in Hungary.

BACKGROUND: In 1998 a joint initiative of the Hungarian School of Public Health and the National Public Health Service created a network of sentinel stations based in primary care facilities in four Hungarian counties. The aim was to establish a system that will provide valid data on morbidity of selected diseases in Hungary. METHODS: Based on standardized protocols, the participating centres have continuously reported data on the prevalence of cardiovascular diseases, diabetes mellitus, liver cirrhosis, and some malignant diseases, as well as supplying denominator data. The four counties represent both eastern and western parts of Hungary, reflecting the known geographical disparities in health. Each county office enrolled general practitioners maintaining representation in terms of both geography and distribution of settlement size. RESULTS: A total of 73 general practitioners agreed to participate, providing care for 15.6% (138,088 people) of the population in the counties. The population registered with the practices were representative in terms of age and sex of both the participating counties and the entire country. The prevalence of hypertension, diabetes mellitus and liver cirrhosis is high in each county but varies considerably, with higher levels in the western counties, especially among older age groups of both sexes. CONCLUSIONS: The establishment of sentinel stations to collect morbidity data is feasible and sustainable in Hungarian primary care. The data that have been generated provide a valid and comprehensive picture of important aspects of the Hungarian population's health, with important implications for health policy and health service planning. In regions where low prevalence rates of diseases and high mortality rates simultaneously exist special attention is required to explore the background of this caveat. KEY POINTS: Till the end of 1998 no program operated in Hungary engaged with non-communicable disease morbidity data collection, except some hospital-based registries, which failed to produce reliable information. The establishment of sentinel stations to collect morbidity data is feasible and sustainable in Hungarian primary care, the valid morbidity data can be built into the decision making process in health service planning. Regular training, quality control and feedback are important contributors to the success of the program. The prevalence of hypertension, diabetes mellitus and liver cirrhosis is high in each county but varies considerably, with higher levels in the western counties, especially among older age groups of both sexes. More research needed to determine the possible contribution of unknown morbidity and health service utilisation to the different prevalence values in the two parts of Hungary.

Adolescent↗

A survey on pain complaints and health care utilization in a German population sample.

A postal survey was carried out on every 71st person aged between 18 and 80 in the population registers in County Regierungsbezirk Karlsruhe in the State of Baden-Würtemberg. It asked 2127 persons whether they had, in the previous 6 months, experienced any form of unduly prolonged pain (as distinct from brief intercurrent self-limiting episodes related to injury inflammation etc.) and, if so, to specify its location, duration, severity and persistence. It also sought information on the resulting calls on healthcare professionals and the degree of satisfaction with treatments received. The age and gender distributions of the sample selected for survey matched those in the population from which it was drawn. Of the 1420 respondents, only 1304 declared their age and gender--a condition for inclusion in the analysis. Of these, 610 reported some form of unduly prolonged pain, which had lasted more than a year in 530. For all pain lasting longer than a year, the estimated prevalence of mild pain was 11%, severe 25% and intolerable 3.5%: the corresponding estimates for persistent as opposed to episodic pain were 2% for mild, 10% for sever and 1% for intolerable. Pain was present in more than one anatomical location in most of those who reported it. Musculoskeletal pain was overwhelmingly the most common. Increasing age, obesity and being female pre-disposed to the reporting of pain, with women being more liable to report headache and pain in the neck and shoulder. One hundred and thirty-six pain reporters either gave no information on consultation or sought no help from healthcare professionals: a third of the remainder consulted more than one professional, with general practitioners and specialists in physical medicine (niedergelassener Orthopäde) being the most common. A wide variety of treatments were used, with oral medications, massage, exercises, mud pack and heat treatment being the most popular; two-thirds of sufferers used more than one type of treatment. The most popular types of treatment tended also to be the most successful, except for oral medication (which was also the most heterogeneous). Multiple logistic regression analyses identified consistent associations between duration and severity of pain, the number of sites where it was reported, the numbers of healthcare professionals consulted and the number of treatments tried, and the same groupings of features were associated with decreased likelihood of overall satisfaction with treatment received.

Adolescent↗

A polymorphism in the serotonin receptor 3A (HTR3A) gene and its association with harm avoidance in women.

BACKGROUND: The brain neurotransmitter serotonin is known to affect various aspects of human behavior, including personality traits. Serotonin receptor type 3 is a ligand-gated channel encoded by 2 different subunit genes, HTR3A and HTR3B. A polymorphism (C178T) in the 5' region of the HTR3A gene has recently been identified and suggested to be of functional importance. OBJECTIVE: To elucidate the possible association between the C178T polymorphism in the HTR3A gene and personality traits in women. DESIGN: Two independent samples of 35- to 45-year-old Swedish women were recruited using the population register. Sample 1 (n = 195) was assessed via the Karolinska Scales of Personality and the Temperament and Character Inventory; sample 2 (n = 175) was assessed using the latter only. Both samples were genotyped with respect to the C178T polymorphism in the HTR3A gene. The A1596G polymorphism in the same gene was also investigated. RESULTS: A significant association between C178T genotype and the Temperament and Character Inventory factor harm avoidance was observed in sample 1 (corrected for multiple comparisons P =.04); this finding was subsequently replicated in sample 2 (P =.004) (pooled populations: P<.001). In the pooled sample, all harm avoidance subscales were found to be significantly associated with the C178T polymorphism: anticipatory worry (P =.001), fear of uncertainty (P<.001), shyness (P<.001), and fatigability and asthenia (P =.008). In addition, a significant association was found in sample 1 between the C178T polymorphism and the Karolinska Scales of Personality nonconformity factor (corrected P =.002), including the subscales of social desirability (P<.001), indirect aggression (P =.002), verbal aggression (P =.05), and irritability (P<.001). Participants homozygous for the less common T allele (<4%) differed from the remaining women by displaying lower ratings on harm avoidance and nonconformity. CONCLUSION: The C178T polymorphism in the HTR3A gene may affect the personality trait of harm avoidance in women.

Adult↗

Effect of sampling frames on response rates in the WHO MONICA risk factor surveys.

Sample surveys are used to investigate occurrence and determinants of diseases in populations. Their reliability is influenced by quality of sampling frame and response rate. We investigated relationship between sampling frame type and response rates and assessed their impact on non-response bias, using data from the WHO MONICA Project, where 37 centres in 20 countries conducted sample surveys, employing the best locally available sampling frame. Sampling frames fell into three categories: Population registers (PR), electoral registers (ER), and health care registers (HR). Response rate (rrs) was factored into components reflecting quality of sampling frame (contact rate cr) and characterizing willingness of sample members to participate (enrolment rate er). The mean quality score for the sampling frames was 92% for PR, 87% for HR and 85% for ER; they contributed on average 23, 20, and 26% to the respective non-response rates. For all frame types and both sexes the lowest quality score occurred in the age group 35 - 44, suggesting a reduced ability to track migration of a highly mobile population group. The patterns in the age/sex distribution of er indicate at least for males in PR and females in HR a potential for non-response bias. Estimation of non-response bias through an abbreviated questionnaire failed because of low item response. We found that contact rate characterizes sampling frame quality. For all frame types it had a major influence on response rate. It is likely that low er and low cr cause different kind of bias, requiring different measures to minimize their effects.

Adult↗

Oral Impacts on Daily Performance in Norwegian adults: the influence of age, number of missing teeth, and socio-demographic factors.

This study investigates the relationships among socio-demographic factors, dental status, and impaired oral health-related quality of life (OHRQoL) using a translation into Norwegian of the Oral Impacts on Daily Performance (OIDP) inventory. Data were collected as part of the Central Bureau of Statistics (CBS) OMNIBUS survey in Norway. The CBS drew a two-stage proportionate random sample, comprising 2,000 residents aged 16-79 yr, from the national population register. Information was available for 1,309 individuals (response rate 66.0%) who completed telephone interviews in November and December 2003. A total of 18.3% (95% confidence interval: 16.2-20.4) reported that an oral problem had affected at least one daily oral performance during the 6 months preceding the survey. The proportion of adults who confirmed impacts varied from 11.3% (eating) to 2.1% (social contact). Multiple logistic regression analysis revealed statistically significant disparities regarding respondents' age, residential area, dental attendance, and number of remaining teeth. The prevalence of OIDP in the Norwegian population was modest, but varied systematically with both socio-demographic and oral health-related factors. The consistently declining OIDP with increasing age after controlling for dental status suggests age-related changes of participants' values and expectations.

Activities of Daily Living↗

Prevalence of self-reported poor odor detection sensitivity: the Skövde population-based study.

OBJECTIVE: To enable adequate planning of ENT healthcare it is important to know the prevalence of olfactory dysfunction in the general population. Whether an individual will actually seek medical attention for olfactory dysfunction is likely to depend predominantly on his/her self-evaluation of the sense of smell. This motivated an investigation of the prevalences of self-reported poorer- and better-than-normal odor detection sensitivity in the general population. MATERIAL AND METHODS: A random sample of 1900 adult inhabitants, stratified for age and gender, was drawn from the municipal population register of Skövde, Sweden. Subjects were asked to attend a structured interview concerning their self-evaluation of their odor detection sensitivity. RESULTS: In total, 1387 volunteers (73% of the sample) were investigated. The overall prevalences of self-reported poorer- and better-than normal odor detection sensitivity were 15.3% and 17.4%, respectively. The prevalence of poorer sensitivity was found to increase with age, and the prevalence of better sensitivity was lower in men than women. CONCLUSIONS: Considering the fairly high participation rate in this study and the fact that the population of Skövde is representative of the general Swedish population, the obtained prevalences can be considered representative of the general Swedish adult population.

Adult↗

Mammography screening for breast cancer in Copenhagen April 1991-March 1997. Mammography Screening Evaluation Group.

A biennial mammography screening programme started for all women aged 50-69 in the municipality of Copenhagen, Denmark, on 1 April 1991. We report here on the outcome of the first three invitation rounds. Copenhagen has approximately 40,000 female residents aged 50-69. The Copenhagen Municipality IT Service runs the data files and issues the invitations based on the daily updated population register. Screening takes place at a special clinic at Bispebjerg Hospital, and since 1 September 1996 all assessment and surgery take place at Rigs-hospitalet. The first invitation round covered the period April 1991 to April 1993, the second invitation round the period May 1993 to May 1995, and the third invitation round the period June 1995 to March 1997. By now in total 120,772 invitations have been issued, 84,036 screening tests have been performed, 4110 women have been assessed with additional tests, 1057 women have undergone surgery, and 697 cases of invasive breast cancer cases or carcinoma in situ have been detected. The number of women screened during each of the three invitation rounds as a percentage of the target population aged 50-69 was 71%, 65% and 63%, respectively. It is possible for a woman to notify the programme if she does not want to be invited, and this caused the coverage to decline. The participation rate among the invited women was 71%, 69% and 70%, respectively. Ninety percent of those screened the first and second times and invited the third time participated. The number of screen detected invasive breast cancers of carcinoma in situ cases per 1000 participants during each invitation round was 11.9; 6.3; and 6.1, respectively. When compared with the incidence of invasive breast cancer in Copenhagen before screening, the ratios were 4-7 for all first time screened and 2 for all second or third time screened. Among the 697 screen detected cases, 84% were invasive breast cancers and 11% carcinoma in situ in women not previously known with breast cancer, and 5% were second primary breast cancers. Fifty two invasive interval cancers were found when women who tested negative during the first invitation round were followed up for two years in the Danish Cancer Register and the files of invasive breast cancers of the Danish Breast Cancer Cooperative Group. Compared with the incidence of invasive breast cancer in Copenhagen before screening this gave a proportionate interval cancer rate of 0.34 (95% confidence interval 0.26-0.45). Eight percent of the women who ever participated in the programme had experienced at least one false positive screening test, and 10% of the women who participated all three times in the programme had experienced at least one false positive test. The assessment was an efficient procedure for the sorting out of the false positive screening tests. During the third invitation round, three quarters of those who underwent surgery had either invasive breast cancer or carcinoma in situ. The participation rate in the present programme is relatively low as are the participation rates in other large cities. However, the programme is well accepted among those who participate, as a high proportion of these women come back. The detection rates compared with the previous incidence of invasive breast cancer indicate a good performance of the programme, and so does the proportionate interval cancer rate following the first invitation round. The programme is thus functioning well. The relatively low coverage and the flow in the target population limit the reduction in breast cancer mortality to be expected from the screening programme in the Copenhagen municipality.

Aged↗

A population based study of the impact of corticosteroid therapy and delayed diagnosis on the outcome of childhood pneumococcal meningitis.

BACKGROUND: Despite an extensive literature, the impact of both adjunctive steroid therapy and delayed diagnosis on the outcome of childhood pneumococcal meningitis is controversial. AIM: To determine the independent contribution of corticosteroid therapy and delayed diagnosis on the outcome of childhood pneumococcal meningitis in a representative population with good access to medical services. METHODS: Data were obtained from laboratories and hospital records to assemble a population register in Sydney, Australia, 1994-99. Follow up questionnaires were completed by attending physicians. RESULTS: A total of 122 cases of pneumococcal meningitis aged 0-14 years were identified. Almost 50% of 120 children with available records either died (n = 15) or had permanent neurological impairment (n = 39). Early use (before or with parenteral antibiotics) of corticosteroids protected against death or severe morbidity (adjusted OR 0.21, 95% CI 0.05 to 0.77). Delayed diagnosis was associated with increased morbidity in survivors (OR 3.4, 95% CI 1.03 to 11.4) but not with increased mortality. CONCLUSION: In a population with good access to health care and after adjusting for other known prognostic variables, early recognition of pneumococcal meningitis and treatment with adjunctive dexamethasone significantly improves outcomes. These data add to those from randomised controlled trials. Implementation requires development of protocols and guidelines for use in emergency departments.

Administration, Oral↗

Suicide after traumatic brain injury: a population study.

OBJECTIVES: To determine the rates of suicide among patients who have had a traumatic brain injury. METHODS: From a Danish population register of admissions to hospital covering the years 1979-93 patients were selected who had had either a concussion (n=126 114), a cranial fracture (n=7560), or a cerebral contusion or traumatic intracranial haemorrhage (n=11 766). All cases of deaths by the end of the study period were identified. RESULTS: In the three diagnostic groups there had been 750 (0.59%), 46 (0.61%), and 99 (0.84%) cases of suicide respectively. Standardised mortality ratios, stratified by sex and age, showed that the incidence of suicide among the three diagnostic groups was increased relative to the general population (3.0, 2.7, and 4.1 respectively). In all diagnosis groups the ratios were higher for females than for males, and lower for patients injured before the age of 21 or after the age of 60. The presence of a codiagnosis relating to substance misuse was associated with increased suicide rates in all diagnosis groups. There was a tendency, among patients with cerebral contusions or traumatic intracranial haemorrhages, for suicide risk to increase with duration of stay in hospital. Cox regression analyses for proportional hazards confirmed that there was a significantly greater risk of suicide among patients with cerebral contusions or traumatic intracranial haemorrhages than among patients with concussion or cranial fractures (hazard ratios=1.42 and 1.50 respectively). There was, however, no evidence of a specific risk period for suicide after injury. CONCLUSION: The increased risk of suicide among patients who had a mild traumatic brain injury may result from concomitant risk factors such as psychiatric conditions and psychosocial disadvantage. The greater risk among the more serious cases implicates additionally the physical, psychological, and social consequences of the injuries as directly contributing to the suicides.

Adolescent↗

[A program of research on biocultural dynamics].

"The objective of the research program presented in this note is to analyse the interrelations between biological and social factors in the process of demographic renewal. Population registers of various communities, among them those of Saint-Barthelemy (French Antilles) and Ile-aux-Coudres (Quebec), are used. The genealogies which were obtained from these registers contribute to the study of genetical epidemiology. The research program also includes the identification of social factors which may have contributed to the biological structure of the communities under study." (SUMMARY IN ENG AND SPA)

Americas↗

Population-based geographic variations in DXA bone density in Europe: the EVOS Study. European Vertebral Osteoporosis.

The purpose of this study was to investigate variations in bone density between 16 European populations, 13 of which were participants in the European Vertebral Osteoporosis Study (EVOS). Men and women aged 50-80 years were recruited randomly from local population registers, stratified in 5-year age bands. The other three centres recruited similarly. Random samples of 20-100% of EVOS subjects were invited for dual-energy X-ray absorptiometry (DXA) densitometry of the lumbar spine and/or proximal femur using Hologic, Lunar or Norland pencil beam machines or, in one centre, a Sopha fan-beam machine. Cross-calibration of the different machines was undertaken using the European Spine Phantom prototype (ESPp). Highly significant differences in mean bone density were demonstrated between centres, giving rise to between centre SDs in bone density that were about a quarter of a population SD. These differences persisted when centres using Hologic machines and centres using Lunar machines were considered separately. The centres were ranked differently according to whether male or female subjects were being considered and according to site of measurement (L2-4, femoral neck or femoral trochanter). As expected, bone mineral density (BMD) had a curvilinear relationship with age, and apparent rates of decrease slowed as age advanced past 50 years in both sexes. In the spine, not only did male BMD usually appear to increase with age, but there was a highly significant difference between centres in the age effect in both sexes, suggesting a variability in the impact of osteoarthritis between centres. Weight was consistently positively associated with BMD, but the effects of height and armspan were less consistent. Logarithmic transformation was needed to normalize the regressions of BMD on the independent variates, and after transformation, all sites except the femoral neck in females showed significant increases in SD with age. Interestingly, the effect of increasing weight was to decrease dispersion in proximal femur measurements in both sexes, further accentuating the tendency in women for low body mass index to be associated with osteoporosis as defined by densitometry. It is concluded that there are major differences between BMD values in European population samples which, with variations in anthropometric variables, have the potential to contribute substantially to variations in rates of osteoporotic fracture risk in Europe.

Absorptiometry, Photon↗

Residential exposure to magnetic fields generated by 110-400 kV power lines in Finland.

In a specific case, the magnetic field generated in a building by a nearby power line is usually easy to calculate, although the accuracy of these calculations is sensitive to the quality of source information. To be able to study public health dimensions of magnetic field exposure (e.g., risk of cancer), it is necessary to evaluate the size and exposure of the population at risk. Relatively little quantitative information on public exposure to power-frequency magnetic fields of high-voltage power lines is available. This report describes residential exposure to magnetic fields from 110 kV, 220 kV, and 400 kV power lines in Finland at the national level, including 90% of the total line length in 1989. A geographical information system (GIS) was used to identify the buildings located near the power lines. After determining the distances between the lines and the buildings, historical data on load currents of these lines were used to calculate the magnetic fields. The residential magnetic field histories were then linked to the residents by means of a computerized central population register. The data obtained on personal exposure have also been utilized in a nationwide epidemiological study on magnetic field exposure of power lines and risk of cancer. The methods of exposure assessment and results of the number of buildings near 110 kV, 220 kV, and 400 kV power lines, their average annual magnetic fields, and personal exposure to magnetic fields from these lines are described. We found that 15,600 residents lived in an average residential magnetic field > or = 0.1 microT caused by power lines in 1989. The number of these residents increased fivefold during 1970-1989. We estimated that 0.3% of the population was exposed in their residences to an annual average magnetic flux density from 110 kV, 220 kV, and 400 kV power lines higher than 0.1 microT, the level that the background magnetic flux density in general does not exceed in Finnish homes. Thus, the problem of magnetic field exposure generated by high-voltage lines concerns only a relatively small fraction of the total population in Finland. However, the size and exposure of the population at risk remain somewhat arbitrary in practical multisource situations, as the biological interaction mechanism, the concept of harmful dose, and, in particular, the significance of the duration of exposure are unknown.

Child↗

C-reactive protein and the insulin-like growth factor (IGF)-system in relation to risk of cardiovascular disease in different ethnic groups.

Inflammatory processes, marked in part by the acute phase reactant C-reactive protein (CRP) and insulin resistance are implicated in atherogenesis. Low insulin-like growth factor-I (IGF-I) and IGF binding protein-1 (IGFBP-1) concentrations are closely associated with insulin resistance. We examined CRP in ethnic groups with differing risk for cardiovascular disease and type 2 diabetes and its relationship with insulin sensitivity (Homeostasis model assessment (HOMA)-S) and the IGF system. European (n=155), Pakistani (n=108) and African-Caribbean (African Caribbean) (n=177) origin participants were randomly sampled from population registers. All underwent basic anthropometry, glucose tolerance testing and measurement of insulin sensitivity, CRP and other metabolic variables. CRP was significantly lower in African Caribbean men and women than in other ethnic groups. Across all groups CRP correlated negatively with (HOMA-S) (rho=-0.29, P<0.001). Regression analysis which included ethnicity and body mass index (BMI) showed that low HOMA-S (beta=-0.17, P<0.001) and low IGFBP-1 (beta=-0.14, P<0.001) were independently and inversely associated with CRP, but the effect was modified by obesity. In obese subjects insulin sensitivity was not associated with CRP. However, for the whole population, a 2.7 mg/l increase in CRP was associated with a 50% (95% confidence interval (CI) 10-210%) greater risk of WHO defined metabolic syndrome, independent of IGF-I (odds ratio (OR) 0.46 (95% CI 0.22-0.96)), IGFBP-1 (OR 0.58 (0.44-0.76)), female sex (OR 0.43 (0.22-0.84)), NEFA (OR 1.06 (1.03-1.09)) and Pakistani ethnicity. High CRP (as a measure of chronic subclinical inflammation), low IGF-I and low IGFBP-1 are independently associated with the presence of the metabolic syndrome and with insulin resistance. In obese subjects insulin sensitivity is not associated with changes in CRP whilst in non-obese subjects CRP independently contributes to variation in HOMA-S.

Age Factors↗

Excessive use of rapid tests in respiratory tract infections in Swedish primary health care.

A 1-y retrospective study of problem oriented electronic patient records, for encounters concerning respiratory tract infection, was performed. The aim was to analyse the management of respiratory tract infections in primary health care in terms of diagnostic coding, tests and antibiotic treatment using data from electronic patient records. 12 primary health care centres with a registered population of 102,050 residents in 3 counties in southeast Sweden participated. Data were retrieved electronically from records of patient encounters concerning respiratory tract infections. The data were: patient age and gender, date of contact, diagnostic code, CRP and GABHS tests and results, as well as antibiotic prescriptions. In a total of 19,965 encounters, the most frequent diagnoses were common cold (40%), acute tonsillitis (18%), and acute bronchitis (15%). A total of 4445 GABHS tests (in 22% of encounters) and 6141 CRP tests (31%) were performed, and both tests were done in 1910 encounters (10%). A total of 7934 antibiotic prescriptions were registered. The proportion of patients tested and prescribed an antibiotic varied greatly between centres. We found an excessive, and much varying, use of rapid tests in encounters for respiratory tract infections. Data retrieval from electronic patient record systems was a feasible method to study the use of laboratory tests in relation to pharmacological treatment.

Adolescent↗

Risk factors for fractures of the distal forearm: a population-based case-control study.

To evaluate the risk factors for early osteoporosis in consecutive patients with fracture of the distal forearm, a population-based case-control study was carried out using postal questionnaires supplemented by interviews when necessary. All men and women between the ages of 40 and 80 years who were resident in the County of Uppsala (population 265,000) and who sustained a fracture of the distal forearm during a defined 12-month period were initially included. Of 427 cases, 385 (90.2%) replied. Those with previous fragility fractures were excluded, leaving 367 patients in the study (mean age 61.9 +/- 10.6 years): 302 women (mean age 62.8 +/- 10.1 years) and 65 men (mean age 57.5 +/- 11.8 years). For each patient an age- and sex-matched control without previous fragility fractures was selected from the population register. The questionnaire concerned heredity, diseases and medications, general health, tobacco smoking and physical activity. Reproductive variables and postmenopausal hormone replacement therapy were analyzed extensively. In neither sex were any significant, consistent differences found with regard to chronic diseases, medications, physical activity or smoking. In females heredity for fractures (odds ratio, OR = 1.46) was associated with an increased risk. Nulliparous women had an increased risk of forearm fractures (OR = 1.72) while late menopause (OR = 0.95) and postmenopausal oestrogen therapy > 2 years (OR = 0.44) appeared to be protective. It is concluded that lifestyle factors did not discriminate between fracture patients and controls in this strict population-based investigation, suggesting that in affluent Western societies, with their high fracture rate, most individuals have an osteoporosis-prone way of life.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗

The Gospel Oak Study: prevalence rates of dementia, depression and activity limitation among elderly residents in inner London.

The steps to setting up a population register of elderly residents are described. Based upon this, 87.2% of the elderly residents of an inner-city electoral area were screened for memory disorder, depression and activity limitation using the Short CARE. Contact with medical and social agencies was also recorded; 4.7% were classed as cases by the dementia diagnostic scale, sufferers being older and not living alone. Of the residents 15.9% were classed as depressed, this state being more prevalent in those not currently married. The depressed were, in contrast to the demented residents, likely to be in recent contact with hospital and general practitioner. Thirty-two per cent of the population showed impairment in daily activity, these individuals were usually older, not married and receiving hospital care. Sleep disorder and complaint of many somatic symptoms were associated with a diagnosis of depression. In contrast, most respondents with a subjective complaint of memory disorder, which was common in this population, were neither suffering from depression nor dementia. With this accurate sampling frame and a good response rate, the prevalence rate of clinical depression must be seen as disturbingly high. The prevalence rate of dementia approximated to that of other surveys. This study also indicated that general practitioners' lists may be inaccurate and that non-responders to first approaches for interview, although similar in demographic features to those responding, may contain among them many suffering from dementia.

Activities of Daily Living↗

Trends in patrilineal parallel first cousin marriages among Israeli Arabs: 1949-1995.

BACKGROUND: Consanguineous marriages are one of the means by which lineal clans maintain themselves. As it happens, there is a biological price to be paid for consanguinity, which is strongly felt particularly in populations where mortality is low. PRIMARY OBJECTIVE: This study seeks to estimate trends in consanguinity among the Muslim and Druze populations of Israel during the period 1949-1995. METHODS: The Israel Population Register is a continuously updated disk record of all current and former citizens. A copy of this record, as of 31 October 1995, was used to construct a file of all Muslim and Druze marriages that had taken place between 1949 and 1995. The marriage records include the given names of the paternal grandfathers of husband and wife. Couples whose grandfathers have the same name may be parallel patrilineal first cousins. A probability algorithm was constructed which provides an estimate, for each name, of how many of these couples are in fact first cousins. The estimates are then summed over all names to provide a population estimate. This procedure was carried out separately by religion, marriage period and region. RESULTS AND CONCLUSIONS: Statistically significant declines in consanguinity were found for the Muslim populations of northern Israel, since 1965, and for Jerusalem, since 1949. For the Bedouin of the Negev only a temporary decline was found, for a short time after the reopening of the borders with Gaza, Sinai and the West Bank in 1967. Significant declines in consanguinity were also found for the Druze of northern Israel, after 1982. It is considered, though not demonstrated, that the secular declines are associated with increasing levels of education and urbanization known to have occurred in these populations.

Algorithms↗

Screening for breast cancer in Ireland: the Eccles Breast Screening Programme.

The Eccles Breast Screening Programme is a population-based screening programme for breast cancer, based at the Mater Misericordiae Hospital, Dublin. It began in 1989 simultaneously with similar programmes in Belgium, France, Greece, Portugal and Spain. The objectives of the Eccles Programme are: (i) to evaluate the impact of mammographic screening on morbidity and mortality from breast cancer in Irish women; and (ii) to address the feasibility and potential value of a national breast cancer screening programme. The specific group targeted for screening is women born in 1925 to 1940 inclusive, in a defined geographical area comprising north Dublin City and County, and Counties Cavan and Monaghan. The areas combined comprise 16% of the country's population; just over 29,000 women were invited for screening. An analysis of the demographic and socioeconomic features of the target population reveals that it represents the total population remarkably well. Participants were invited from a population register to attend one of two screening units. Follow-up treatment for those with abnormalities takes place predominantly at the Mater Hospital where the facilities of the Departments of Pathology, Surgery and Oncology have been made available to the programme. Almost 18,000 women had a mammogram in the first round of screening, an overall response rate of 62%. A total of 129 cancers were detected, a prevalence of breast cancer of 7.2 per 1,000. Of those, 15 (11.6%) were entirely intraduct, and an additional 7 (5.4%) had minimal invasion. This is considerably higher than the proportion of intraduct cancers seen in referral practice populations.

Aged↗