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Impact of HIV on adult (15-54) mortality in London: 1979-96.

OBJECTIVE: To describe the impact of HIV on mortality in men and women aged 15-54 in London. DESIGN: Combination of routine mortality statistics with reports of AIDS deaths adjusted for underreporting and change in address from time of report to time of death. Calculation of standardised mortality ratios (SMRs) for males including and excluding HIV comparing inner London and outer London with the rest of England and Wales. METHODS: Comparison of trends in all cause mortality and SMRs in males over time. Comparison of trends in HIV related deaths with other main causes of deaths in males and females in London. RESULTS: Age standardised rates for the rest of England and Wales showed a continual decline from 1979 to 1996 but rates in inner London males (ages 15-54) stopped declining around 1984-5 leading to a considerable increase in the SMR for inner London from 127 for 1985-7 to 171 for 1994-6. SMRs excluding HIV related deaths for inner London, however, showed no significant change over this time. There was a fall in HIV related mortality in 1996, though HIV was still the leading cause of death in males and second leading cause of death in females in inner London, and the fourth commonest cause of death in males in outer London. CONCLUSION: These data are the first to indicate the impact of HIV on mortality within a significant population in England and Wales. They show that public health priorities in London are different from the rest of the country. Analyses of trends of all cause mortality in people under 65 may mislead unless they take account of HIV.

Acquired Immunodeficiency Syndrome↗

A comparison of the cost-effectiveness of stroke care provided in London and Copenhagen.

OBJECTIVES: This study compared the relative cost-effectiveness of stroke care provided in London and Copenhagen. METHODS: Hospitalized stroke patients at centers in London (1995-96) and Copenhagen (1994-95) were included. Each patient's use of hospital and community health services was recorded for 1 year after stroke. Center-specific unit costs were collected and converted into dollars using the Purchasing Power Parity Index. An incremental cost-effectiveness ratio (ICER) was calculated comparing a Copenhagen model of stroke care to a London model, using regression analysis to adjust for case-mix differences. RESULTS: A total of 625 patients (297 in Copenhagen, 328 in London) were included in the analysis. Most patients in London (85%) were admitted to general medical wards, with 26% subsequently transferred to a stroke unit. In Copenhagen, 57% of patients were directly admitted to a stroke or neurology unit, with 23% then transferred to a separate rehabilitation hospital. The average length of total hospital stay was 11 days longer in Copenhagen. Patients in Copenhagen were less likely to die than those in London; for patients with cerebral infarction the hazard ratio after case-mix adjustment was 0.53 (95% CI from 0.35 to 0.80). However, a lower proportion of patients with hemorrhagic stroke died in London. The ICER of using the Copenhagen compared with the London model of care ranged from $21,579 to $37,444 per life-year gained for patients with cerebral infarctions. CONCLUSIONS: The ICERs of the Copenhagen compared with the London model of care were within a range generally regarded as cost-effective.

Aged↗

Utilisation by homeless people of acute hospital services in London.

OBJECTIVES: To estimate the numbers and distribution of homeless people in London; to quantify the utilisation of acute inpatient services by homeless people in two health authorities; and to predict the total numbers of admissions in homeless people in district health authorities across London. DESIGN: Data were collected from various sources on the distribution of homeless people across London boroughs. All unplanned acute inpatient admissions during November 1990 to relevant hospitals were identified. SETTING: Bloomsbury and Paddington and North Kensington, two former inner London district health authorities. SUBJECTS: Homeless people in London residing in bed and breakfast and private sector leased accommodation, residing in hostels, and of no fixed abode. MAIN OUTCOME MEASURES: Number and cost of acute unplanned admissions in homeless people in two health authorities in November 1990; predicted number of such admissions each year in district health authorities in London. RESULTS: There were at least 60,000 homeless people in London in March 1990. The majority were housed in temporary accommodation (55,412). There were at least 3295 hostel dwellers and 651 people sleeping rough. Homeless people accounted for 105 (8%) of the 1256 acute unbooked admissions in residents of Bloomsbury and Paddington and North Kensington health authorities in November 1990. Considerable variations in the pattern of acute unplanned admissions in homeless people were observed in the two districts with respect to housing status and specialty of admission. The total number of acute unplanned admissions in homeless people across London each year was estimated at 7598, ranging from 38 in Bexley to 1515 in Parkside. CONCLUSIONS: The results have fundamental implications for resource allocation across London. Allocation must take better account of the heterogeneity, uneven distribution, and extra health needs of homeless people.

Adolescent↗

Socioeconomic deprivation, ethnicity, and stroke mortality in Greater London and south east England.

OBJECTIVE AND SETTING: To examine geographical variation in stroke mortality in Greater London compared with the surrounding South East Region of England. DESIGN: Cross sectional, ecological analysis based on electoral wards. SUBJECTS: Resident population aged 45 years or more. MAIN OUTCOME MEASURE: Age specific stroke mortality rates in five age bands, 1986-92. MAIN OUTCOME MEASURE: Age specific stroke mortality rates in five age bands, 1986-92. MAIN RESULTS: In the 45-54 years age band, stroke mortality rate ratios (95% confidence intervals) relative to the surrounding south east were 2.09 (1.81, 2.4) for Inner London and 1.31 (1.15, 1.5) for Outer London for men and 1.64 (1.4, 1.93) and 1.13 (0.98, 1.31) respectively for women. This gradient diminished and reversed with increasing age. In the 85+ age band, rate ratios were 0.82 (0.76, 0.89) for Inner London and 0.89 (0.84, 0.94) for Outer London for men and 0.8 (0.75, 0.85) and 0.88 (0.84, 0.92) respectively for women. Carstairs deprivation index and the percentages of Afro-Caribbean men and women and Irish born men were significantly and positively correlated with stroke mortality at the ward level. The Carstairs effect diminished with increasing age. Adjustment for these variables diminished or abolished the higher stroke mortality risks in London for younger people but had little effect on the lower risks for older Londoners. CONCLUSIONS: Higher rates of stroke mortality among middle aged adults in Greater London, compared with the surrounding South East Region, are associated with socioeconomic deprivation and ethnicity. These factors do not explain the relatively lower stroke mortality among older Londoners.

Black or African American↗

GPs' attitudes to discussing prognosis in severe COPD: an Auckland (NZ) to London (UK) comparison.

BACKGROUND: A palliative care approach, as used routinely in cancer, is also valid for incurable chronic illnesses such as chronic obstructive airways disease (COPD). However, a London study recently reported that general practitioners (GPs), who provide most end-stage care for COPD patients, do not routinely discuss prognosis with these patients. OBJECTIVE: To compare the views of GPs in Auckland, New Zealand (NZ) and London, United Kingdom (UK) on discussions of prognosis in severe COPD. METHOD: A postal questionnaire of 509 randomly selected Auckland GPs. The questionnaire was almost identical to the UK one. Comparisons were made with aggregated statistics for the London sample as reported in published findings and personal communication with the London authors. RESULTS: The Auckland response rate of 56% was similar to that of the London study (55%). Most GPs in both samples stated that discussions on prognosis are necessary in severe COPD and that GPs have an important role in discussing prognosis. Smaller proportions of both samples reported usually having such discussions, although Auckland GPs (55.6%) were more likely to hold the discussions than were London counterparts (40.7%). Auckland GPs were also more likely to agree that patients with severe COPD want to discuss prognosis and that patients value these discussions. One-third of the Auckland GPs and nearly half the London GPs believe that some patients with severe COPD who want to discuss prognosis are not given the opportunity to do so. CONCLUSION: Auckland GPs are more open than their London counterparts to discussing prognosis in severe COPD. There is increased scope for GPs in London to discuss prognosis with these patients. Further support is needed for GPs in both countries who do not routinely discuss prognosis in severe COPD, but consider it is necessary to have these discussions.

Attitude of Health Personnel↗

Calcification of the stylohyoid complex in Londoners and Hong Kong Chinese.

AIM: To compare the prevalence and pattern of calcification of the stylohyoid complex in Hong Kong Chinese with that in London. METHODS: The panoramic radiographs of two consecutive series of patients attending the primary dental care departments were reviewed, 862 patients in Hong Kong and 800 in London. The morphology of the stylohyoid complex was allocated to one of 12 patterns. RESULTS: A normal styloid process is significantly more prevalent in Hong Kong (P<0.01). A calcified stylohyoid ligament is significantly more common in London (15.8%) than Hong Kong (3.9%, P<0.01), whereas there is no difference in the prevalence of an elongated styloid process (7.8% in London and 8.6% in Hong Kong). Segmentation was significantly more prevalent in London (P<0.01), whereas symmetry predominated in Hong Kong (P<0.01). Although the mean age of the Hong Kong patients was significantly older than those in London (P<0.001), those with a calcified stylohyoid ligament tended only to be older (0.025>P>0.01). There was no significant difference in age for an elongated styloid process. CONCLUSION: There are significant differences in the morphology of the stylohyoid complex between London and Hong Kong. A calcified stylohyoid ligament is more prevalent in Londoners.

Adult↗

Primary health care in London--changes since the Acheson report.

OBJECTIVE: To examine changes in primary care in London in the 11 years since the Acheson report on primary health care in inner London. DESIGN: Analysis of key data from the family health services authority performance indicators and from the Department of Health; study of trends since the time of the Acheson report; examination of the provision of primary care in 1990-1 and its relation to health and social factors. SETTING: Comparisons between the family health services authorities of inner London, outer London, and England as a whole, with a special study of Birmingham, Liverpool, and Manchester. SUBJECTS: The family health services authorities of England. RESULTS: There has been an improvement in the provision of primary care in inner London as judged by the criteria of the Acheson report, but these improvements have occurred only as part of an overall improvement in the provision of primary care in the country as a whole. None of the recommendations of the Acheson report specifically oriented to London have been implemented. There are some worrying trends in inner London, such as the increasing proportion of practices with more than 2500 patients. The problems faced by practitioners in inner London resemble those in other large inner city areas, but the primary care provision to deal with them is relatively poor.

Family Health↗

Vocational training for general practice in inner London. Is there a dearth? And if so what's to be done?

OBJECTIVE: To identify the nature and extent of any vocational training deficit within the London initiative zone and investigate the reasons. DESIGN: Collation of statistics and postal questionnaire surveys. SETTING: Thames regions inside and outside the London initiative zone. SUBJECTS: General practice registrars, trainers, principals from non-training practices, and vocational training course organisers. MAIN OUTCOME MEASURES: Trends in numbers of general practice registrars, proportions of trainers, views on current vocational training in inner London. RESULTS: Numbers of general practice registrars fell significantly between 1988 and 1993 within the London initiative zone and in England overall. The number of registrars within the zone fell by more than in the rest of the Thames regions, where the decline was not statistically significant. A lower proportion of principals were approved as trainers within the zone than in the rest of the Thames regions and England overall. In their responses to the survey (88% of inner London registrars responded and 81% of outer Thames registrars) registrars suggested that improving remuneration and personal safety would make training in London more attractive. Trainers and non-trainers (response rates 89% and 66% respectively) also suggested increasing remuneration for trainers together with more protected time for training. CONCLUSIONS: Less vocational training takes place within the London initiative zone than in the rest of the Thames regions and England overall, although there are discrepancies in official statistics. As well as specific recommendations for improving recruitment to vocational training in inner London, measures to tackle inner city deprivation should also remain high on the political agenda.

Adult↗

Neighbourhoods and self rated health: a comparison of public sector employees in London and Helsinki.

STUDY OBJECTIVE: Mortality and morbidity vary across neighbourhoods and larger residential areas. Effects of area deprivation on health may vary across countries, because of greater spatial separation of people occupying high and low socioeconomic positions and differences in the provision of local services and facilities. Neighbourhood variations in health and the contribution of residents' characteristics and neighbourhood indicators were compared in London and Helsinki, two settings where inequality and welfare policies differ. DESIGN: Data from two cohorts were used to investigate associations between self rated health and neighbourhood indicators using a multilevel approach. SETTING: London and Helsinki. PARTICIPANTS: From the Whitehall II study (London, aged 39-63) and the Helsinki health study (aged 40-60). MAIN RESULTS: Socioeconomic segregation was higher in London than in Helsinki. Age and sex adjusted differences in self rated health between neighbourhoods were also greater in London. Independent of individual socioeconomic position, neighbourhood unemployment, proportion of residents in manual occupations, and proportion of single households were associated with health. In pooled data, residence in a neighbourhood with highest unemployment was associated with an odds ratio of less than good self rated health of 1.51 (95% CI 1.30 to 1.75). High rates of single parenthood were associated with health in London but not in Helsinki. CONCLUSIONS: Neighbourhood socioeconomic context was associated with health in both countries, with some evidence of greater neighbourhood effects in London. Greater socioeconomic segregation in London may have emergent effects at the neighbourhood level. Local and national social policies may reduce, or restrict, inequality and segregation between areas.

Adult↗

Tuberculosis in London: a decade and a half of no decline [corrected].

BACKGROUND: London accounts for nearly half of the national burden of tuberculosis. The incidence of tuberculosis has more than doubled in London in the past 15 years. METHODS: Data from the enhanced tuberculosis surveillance 1999-2003, the national tuberculosis surveys of 1993 and 1998, and tuberculosis notifications were compared and analysed. RESULTS: In 2003, 3048 patients with tuberculosis were reported in London, 45% of the national total. This represents an incidence of 41.3/100,000, five times higher than the rest of England and Wales, and in parts of London the incidence of tuberculosis is nine times the national average. 75% of people with tuberculosis in London are born abroad; nearly half have lived in the UK for <5 years, but a third for >10 years. 86% are from an ethnic minority group, and the incidence is highest in black Africans at 283/100,000 compared with 141, 141 and 8/100,000 for Pakistanis, Indians and whites, respectively. In absolute terms, a third of patients with tuberculosis in London are from Africa and nearly a third from the Indian subcontinent. Specific groups affected also include the homeless, prisoners, and hard drug and alcohol users as well as the immunosuppressed. CONCLUSIONS: London reflects the worldwide rise in tuberculosis, with increasing incidence in ethnic minorities. Work has been carried out to combat this rise, but more is needed. Tuberculosis control and prevention strategies should be mindful of the changing epidemiology of tuberculosis in London, and provide information, diagnosis and treatment tailored to the specific needs of the capital and its at-risk groups.

Adult↗

Social determinants of psychiatric morbidity and well-being in immigrant elders and whites in east London.

OBJECTIVES: The social conditions under which migrants to the UK live may be more significant than the experience of migration itself in leading to increased risk of mental illness. We aimed to compare the prevalence of mental, physical and social health problems in elderly Somalis, Bengalis and whites living in a deprived inner London area and examine associations between environmental circumstances, social support, physical health status, mood and life satisfaction in these groups. In addition, we wanted to test the hypothesis that differences in mental health between immigrants and whites are explained by social disadvantages rather than ethnicity. DESIGN: Cross-sectional survey with participants drawn from age-sex registers of general practices, augmented by other sources. SETTING: East London--'first-generation' Somali and Bengali immigrants and white British. SUBJECTS: A total of 274 people aged 60+ years: 72 Somalis, 75 Bengalis and 127 whites. MAIN OUTCOME MEASURES: Symptoms of Anxiety and Depression Scale (SAD), Life Satisfaction Index (LSI). High SAD scores indicate more anxiety and depression symptoms; high LSI scores indicate greater life satisfaction. MAIN RESULTS: Highest SAD scores were found among Bengalis; lowest LSI scores were found among Bengalis and Somalis. The prevalences of depression (SAD score 6+) were 25% in Somalis, 77% in Bengalis and 25% in east London whites. Physical health status and SAD scores were associated in Somalis (r = +0.31, p < or = 0.01). Bengalis (r = +0.47, p < or = 0.001) and east London whites (r = +0.27, p < or = 0.01). Physical health problems also related to lower LSI scores in Somalis (r = -0.24, p < or = 0.05) and east London whites (r = -0.24, p < or = 0.01). Social factors (i.e. poor housing conditions, low family support and reported need of community services) were strongly associated with SAD scores among Somalis (r = +0.5, p < or = 0.001) and, to a lesser extent, among Bengalis (r = +0.33, p < or = 0.01). Ethnicity (i.e. being an immigrant as opposed to a non-immigrant) became a statistically non-significant risk factor for high SAD scores after adjusting for the effects of age, weekly income, physical health and social problems (OR = 0.71, 95% CI = 0.5-1.1, p = 0.09). A residual, but much attenuated effect for ethnicity on LSI scores persisted in the estimated model after controlling for the same set of independent risk factors (OR = 0.7, 95% CI = 0.4-1, p = 0.05). CONCLUSION: The marked variation in mental health between ethnic groups in east London might be a reflection of socioeconomic and health differentials acting concomitantly and adversely. Inequalities in housing, social support, income and physical health status accounted for variation in mood observed between immigrants and whites, and may partly explain differences in life satisfaction. These results seem to support a 'multiple jeopardy' theory of ageing in ethnic minorities in east London. Greater efforts are needed to recognize anxiety and depression in immigrant elders. Better social support and housing among 'minority ethnic' elders who live alone might be expected to alleviate social stress and improve mental health and psychological well-being.

Acculturation↗

The geographical mobility of severely mentally ill residents in London.

BACKGROUND: There is currently great concern over the demands on psychiatric services in metropolitan areas in most developed countries, and this is exemplified in capital cities. These greater demands were not anticipated by those planning psychiatric services and the consequences have led to insufficient beds in many areas. We investigated the geographical mobility (the number of changes of address in the past 2 years) of patients presenting to services in greater London, to determine whether this might be a possible factor in the increased demand. METHOD: The geographical mobility of the severely mentally ill was determined by taking a random sample of all psychiatric admissions to hospitals serving residents in the London area over the calendar year of 1994 (n = 156) and an equivalent sample of patients in an established community mental health team (n = 74) in one area (Paddington). The extent of geographical movement was determined for the 2 years prior to interview. RESULTS: Greater geographical movement in the in-patient group was found for those living in inner London compared with outer London and for patients admitted to hospitals outside their catchment area. Twenty-eight percent of the in-patient sample had changed address in the year before admission (including 13% more than once) and 39% had changed address in the 2 years prior to admission. By contrast, the patients seen by the community psychiatric team were less than half as likely to have changed address over the previous year as the in-patients, and none of the community team's patients had changed address more than once over the previous year. The geographically mobile patients had significantly longer periods in hospital than geographically stable patients. CONCLUSION: Geographical mobility of psychiatric patients in London is high and is particularly marked for those presenting for in-patient treatment. These findings suggest that greater mobility could be one of the most important reasons for the higher than expected demands on psychiatric services and the difficulties in maintaining contact with patients in London in general and inner London in particular. More attention should be paid to geographical mobility as a predictor of psychiatric service use, and it is recommended that it is recorded regularly in information systems.

Adolescent↗

Estimating the numbers of refugees in London.

BACKGROUND: Local populations of refugees and asylum seekers are growing in many urban areas in Western Europe and it is increasingly important to develop health and welfare services that are appropriate for these groups. However, in the United Kingdom there are no routine data sources at local level that give even the most basic information such as the numbers of refugees within a given area. METHODS: The total number of asylum seekers entering the United Kingdom was calculated using cumulative data on asylum seekers at national level. This population was then apportioned first to Greater London and then to the boroughs within London. The apportionment to London boroughs was based on analysis of four datasets. In the absence of any better evidence, an average of these four approaches was used to produce the final borough level estimates. RESULTS: The total numbers of refugees and asylum seekers in London who have entered the United Kingdom over the past 15 years was estimated to be between 240,000 and 280,000. At borough level the estimates of refugee populations ranged from under 1,000 to values up to 20,000. There were statistically significant associations between the four data sources when the proportions of the London total in each borough were compared. However, for some boroughs there could be large differences between estimates based on different data sources. CONCLUSION: The estimates provided give an indication of the size of the refugee population in London. None of the data sources used to apportion the London total were ideal and all were proxy values with their own strengths and weaknesses. This work points to the importance of developing information systems that in future will allow better estimates of the size of the refugee populations. This is particularly important in view of the UK national policy of dispersal proposed in the latest Immigration and Asylum Act.

Adult↗

Increases in HIV-related sexual risk behavior among community samples of gay men in London and Glasgow: how do they compare?

OBJECTIVE: In this paper, we compare trends in sexual risk among gay men in the largest city in England (London) and the largest city in Scotland (Glasgow). METHODS: Self-complete questionnaires administered to representative samples of men visiting the commercial gay scenes in London and Glasgow in 1996, 1999, and 2002 (N = 8247). RESULTS: Multivariate logistic regression was used to assess the trends in unprotected anal intercourse (UAI), UAI with partners of unknown/discordant HIV status, and UAI with more than 1 partner. Each increased significantly in 1999 and 2002 in London, but only in 2002 in Glasgow. Testing for HIV also increased significantly in London, but not in Glasgow. Overall, HIV testing levels were considerably lower in Glasgow (in 2002, 49.1% vs. 74.6% in London). Overall, sexual risk was higher in London, but UAI with partners of unknown/discordant HIV status was higher in Glasgow (in 2002, 27.4% vs. 21.3%). CONCLUSIONS: Although the same pattern of increase in HIV-related sexual risk behavior was apparent in the cities, differences in HIV testing and nonconcordant UAI suggest different HIV prevention needs and that targeted health promotion interventions are required in London and Glasgow. City-specific factors should be considered in the development of appropriate sexual health interventions.

Adolescent↗

Why Londoners have low death rates from ischaemic heart disease and stroke.

OBJECTIVE: To explain the low death rates from cardiovascular disease in London. SETTING: London and the other counties of England and Wales. SUBJECTS: Women living in London during 1901-10 and people in London dying during 1968-78. RESULTS: At the beginning of the twentieth century young women aged 15-34 in London had remarkably low death rates, largely because of low rates for tuberculosis and other infectious diseases and low mortality during childbirth. Their low death rates contrasted with the high rates in girls under 15 years. CONCLUSIONS: Large numbers of young women had migrated into London from agricultural counties in southern England and went into domestic service, where the diet was usually very good. Recent findings suggest that a mother's nutrition and health has a major effect on the risk of cardiovascular disease in the next generation. The low cardiovascular mortality in London is consistent with this, and contrasts with the high mortality from other common diseases.

Cause of Death↗

Infant crying and sleeping in London, Copenhagen and when parents adopt a "proximal" form of care.

OBJECTIVE: Western parents are given conflicting advice about whether to introduce a "scheduled" approach to infant care or to follow their infants' demands. Attempts to address this issue using randomized, controlled trials have been unsuccessful. This comparative study collected evidence about methods of parenting and associated infant crying and sleeping in 2 communities with substantially different approaches to infant care (London, United Kingdom, and Copenhagen, Denmark) and in a "proximal care" group, where parents planned to hold their infants > or =80% of the time between 8 am and 8 pm, breastfeed frequently, and respond rapidly to infant cries. METHODS: Validated behavior diaries were used to measure parental behavior and infant crying and night waking longitudinally at 8 to 14 days, 5 to 6 weeks, and 10 to 14 weeks of age. Feeding and sleeping practices were measured by questionnaire. RESULTS: Proximal care parents held infants for 15 to 16 hours per 24 hours and coslept with them through the night more often than other groups. London parents had 50% less physical contact with their infants than proximal care parents, including less contact when the infants were crying and when awake and settled. London parents also abandoned breastfeeding earlier than other groups. Copenhagen parents fell in between the other groups in measures of contact and care. These differences in caregiving were associated with substantial differences in several aspects of infant crying and settled behavior at night. London infants cried 50% more overall than infants in both other groups at 2 and 5 weeks of age. However, bouts of unsoothable crying occurred in all 3 of the groups, and the groups did not differ in unsoothable bouts or in colicky crying at 5 weeks of age. Proximal care infants woke and cried at night most often at 12 weeks. Compared with proximal care infants, Copenhagen infants cried as little per 24 hours, but woke and cried at night less often at 12 weeks of age. CONCLUSIONS: "Infant-demand" care and conventional Western care, as practiced by London parents, are associated with different benefits and costs. As used by proximal care and Copenhagen parents, infant demand parenting is associated with less overall crying per 24 hours. However, the proximal form of infant-demand parenting is associated with more frequent night waking and crying at 12 weeks of age. Copenhagen infants cry as little per 24 hours as proximal care infants but are settled at night like London infants at 12 weeks of age. Colicky crying bouts at 5 weeks of age are unaffected by care. The findings have implications for public health care policy. First, they add to evidence that bouts of unsoothable crying, which are common in early infancy, are not much affected by variations in parenting, providing reassurance that this aspect of infant crying is not parents' fault. Second, the findings provide information that professionals can give to parents to help them to make choices about infant care. Third, the findings support some experts' concerns that many English parents are adopting methods of care that lead to increased crying in their infants. There is a need for informed debate among professionals, policy makers, and parents about the social and cultural bases for the marked differences between London and Copenhagen parents' approach to care.

Adult↗

Cyclist road deaths in London 1985-1992: drivers, vehicles, manoeuvres and injuries.

We used coroners' records to investigate the fatal accidents of cyclists recorded on death certificates in London during 1985-1992. There were 124 deaths: 68 cyclists were injured in London and 56 injured in the "home counties" around London and died in London hospitals. The cyclists' ages were from 8-88, and 70% were male; the drivers were aged 17-74, and 96% were male. Of the 108 vehicles involved, 53 were cars (including one parked) and 40 heavy goods vehicles (HGVs) (including 14 large lorries and 18 articulated lorries), 5 light goods vehicles, 5 buses and coaches and 5 motorcycles. Fatal accidents occurred with a wide range of manoeuvres; of vehicles turning left (driving is on the left in the U.K.), 14 out of 15 were HGVs. Accidents were most often on 2 lane roads and one half were near a road junction. Law violations were recorded in half the accidents; alcohol intoxication contributed only rarely. While injuries to the head were the commonest reported direct cause of death, Inner London deaths were frequently due to multiple injuries. The study confirms the serious danger to cyclists (particularly women) in Inner London from large and articulated lorries, causing death from multiple injuries.

Accidents, Traffic↗

Baseline metal-in-dust concentrations in Greater London.

Baseline concentrations of cadmium, copper, iron, lead and zinc have been measured in samples collected from surfaces remote from local sources of pollution across Greater London. The geometric means of concentrations of metals in dusts are 2.7 micrograms/g Cd, 79 micrograms/g Cu, 23,400 micrograms/g Fe, 370 micrograms/g Pb and 372 micrograms/g Zn. Concentrations of metals in dust have been shown to exhibit marked distributions across Greater London, and the survey has indicated the location of a number of areas of elevated metal-in-dust levels, for example the Lee Valley industrial area in north London, central London, and parts of east and west London. The concentrations found are compared with results reported in other studies, and the potential sources of metal contamination in the London area are discussed.

Cadmium↗