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PubMed1997

Incidence and risk factors for hepatitis C among injection drug users in Baltimore, Maryland.

Between 1988 and 1996, the incidence of and risk factors for hepatitis C virus (HCV) infection were studied in a cohort of injection drug users in Baltimore, Maryland. By second-generation antibody testing of stored serum samples, 142 participants were found to be susceptible to HCV at the time they entered the study. After a median follow-up of 6.5 years, 43 participants (30.3%) developed antibodies to HCV (anti-HCV). The overall incidence was 6.4 cases per 100 person-years, but a substantial decline in the annual incidence rate was observed after the first 2 years (1988 to 1990, 13.4/100 person-years; 1991 to 1996, 2.3/100 person-years [P = 0.0001 for trend]). Participants who acknowledged active drug use, especially those who acknowledged frequent use and sharing of drug paraphernalia, were at increased risk of HCV infection. However, high-risk sexual practices were not associated with HCV seroconversion. Efforts to reduce HCV infection must be focused on curbing drug use and especially on the sharing of needles and drug paraphernalia.

Adult↗
PubMed1994

AIDS and behavioural risk factors in women in inner city Baltimore: a comparison of telephone and face to face surveys.

STUDY OBJECTIVE: The study aimed to investigate the influence the mode of administration of a questionnaire (telephone or face to face) on reports of sexual behaviour and attitudes of HIV risk among woman of reproductive age. DESIGN: Two cross sectional surveys--one, a modified random digit dialing telephone survey, the second, a face to face street sample--were carried out by the same interviewers using similar questionnaires in the same neighbourhoods. SETTING AND PARTICIPANTS: Two socially deprived, inner city neighbourhoods of Baltimore City were assessed in early 1990 before a community health intervention was carried out in one of them. Women between 17 and 35 years were surveyed. MAIN RESULTS: Altogether 775 and 416 women in the target age group were interviewed by telephone and face to face methods: the response rates were 66.4% and 77% respectively. Telephone respondents tended to be older, had more education, were more often married, were less likely to live in subsidised housing, and were more likely to report HIV testing. The proportions of respondents who reported a previous abortion and had had a surgical sterilisation were higher among the telephone respondents (34.7% v 24.1% and 26.4% v 20.6%, respectively). With regard to sexual risk behaviour, the only statistically significant differences were found in the proportion who reported having used drugs (10.6% of the face to face v 2.4% of the telephone sample) or alcohol (30.5% v 16.3%) at last sexual intercourse. The observed method effect on these variables remained unchanged after adjusting for age, education, employment, and marital status. This effect was even stronger for a subgroup of face to face respondents who reported not having a telephone at home. The adjusted odds ratios for reporting alcohol consumption and use of drugs at the last sexual encounter in this group compared with the telephone respondents were 3.7 (2.1, 6.6) and 14.1 (5.7, 34.5) respectively. CONCLUSIONS: Despite the socioeconomic bias associated with the mode of data collection, there are only a few differences between the telephone and personal survey methods in reports of sexual behaviour. These differences are mostly concentrated in young women (under 20 years), and in a particularly socioeconomically deprived subgroup identified through telephone ownership.

Acquired Immunodeficiency Syndrome↗
PubMed2004

Differences in demographics and risk factors among men attending public v non-public STD clinics in Baltimore, Maryland.

OBJECTIVE: To compare the demographics and risk factors of men who utilise the services of a municipal public sexually transmitted disease (STD) clinic with those who utilise the services provided by a non-public men's STD clinic operated by a not for profit primary care clinic. METHODS: A record based review of the characteristics and STD prevalence of men who visited a non-public STD clinic in Baltimore, Maryland, compared with those of a random sample of male attendees of a public STD clinic. Data abstracted from the records included information on age, race/ethnicity, self reported risk behaviours, and STD tests and results. We used chi2 analysis as well as bivariate and multivariate modelling to compare differences in categorical factors between clinics groups. RESULTS: Men who utilised the services at the non-public STD clinic were more often white (71% v 3%, p<0.001), MSM (65% v 2%, p<0.001), and presented for general screening (52% v 15%, p<0.001) compared to those at the public clinic. In addition, they more frequently reported > or =3 partners (22% v 11%, p=0.005), and having an HIV positive partner (10% v 3%, p=0.005). Factors independently associated with attendance at non-public clinic in multivariate analysis were general screening as reason for visit (OR = 11.0, p<0.001), having 3+ partners in past month (OR=10.5, p=0.002), and "sometimes" using condoms (OR=3.6, p=0.033). CONCLUSIONS: Non-public STD clinics can reach a distinct segment of the male population with high risk sexual behaviours that might not attend public STD clinics.

Adult↗
PubMed2005

Nonsteroidal anti-inflammatory drugs and risk of prostate cancer in the Baltimore Longitudinal Study of Aging.

BACKGROUND: Laboratory and epidemiologic studies suggest that aspirin and nonaspirin nonsteroidal anti-inflammatory drugs (NSAID) reduce the risk of cancer, possibly via inhibition of the cyclooxygenase enzymes. We evaluated the association of aspirin and nonaspirin NSAIDs with subsequent prostate cancer in a prospective study. We also assessed whether use of these drugs influences serum prostate-specific antigen (PSA) concentration. METHODS: Participants were 1,244 male members of the Baltimore Longitudinal Study of Aging. Use of prescription and over-the-counter drugs was collected by questionnaire and interview at multiple study visits. One hundred forty-one prostate cancer cases diagnosed between 1980 and May 2004 were confirmed by medical record review. We used Cox proportional hazards regression to estimate the rate ratio (RR) of prostate cancer updating drug use over time and taking into account age and year. We used generalized estimating equations to calculate age-adjusted geometric mean PSA concentration by aspirin or nonaspirin NSAIDs use among 933 of the men without prostate cancer, for whom 3,749 PSA measurements in archived sera had been done previously. RESULTS: On 46.0% and 21.5% of the visits, current use of aspirin or nonaspirin NSAIDs (mostly ibuprofen) was reported, respectively. The RRs of prostate cancer comparing ever to never use were 0.76 [95% confidence interval (95% CI), 0.54-1.07] for aspirin, 0.79 (95% CI, 0.54-1.16) for nonaspirin NSAIDs, and 0.71 (95% CI, 0.49-1.02) for either medication. The association for ever use of either aspirin or nonaspirin NSAIDs was suggestively more pronounced in men <70 years (RR, 0.54; 95% CI, 0.27-1.03) than in men >/=70 years (RR, 0.78; 95% CI, 0.50-1.22; P(interaction) = 0.73). The RR for current use of either drug was attenuated relative to ever use. Mean PSA concentration did not differ between users and nonusers of either aspirin or nonaspirin NSAIDs (1.01 versus 0.98 ng/mL, P = 0.56). CONCLUSION: In this prospective study, men, in particular younger men, who had ever used aspirin or nonaspirin NSAIDs had a modest nonstatistically significant lower risk of prostate cancer. The modest inverse association was unlikely due to detection bias that might have resulted if anti-inflammatory drugs had influenced serum PSA concentration.

Acetaminophen↗
PubMed1996

Depression, psychotropic medication, and risk of myocardial infarction. Prospective data from the Baltimore ECA follow-up.

BACKGROUND: There is suggestive evidence that depression increases risk of myocardial infarction (MI), but there are no prospective studies in which the measure of depression corresponds to clinical criteria. This study examines prospectively whether a major depressive episode increases the risk of incident MI and evaluates the role of psychotropic medication use in this relationship. METHODS AND RESULTS: The study is based on a follow-up of the Baltimore cohort of the Epidemiologic Catchment Area Study, a survey of psychiatric disorders in the general population. A history of major depressive episode, dysphoria (2 weeks of sadness), and psychotropic medication use were assessed in 1981, and self-reported MI was assessed in 1994. Sixty-four MIs were reported among 1551 respondents free of heart trouble in 1981. Compared with respondents with no history of dysphoria, the odds ratio for MI associated with a history of dysphoria was 2.07 (95% CI, 1.16 to 3.71), and the odds ratio associated with a history of major depressive episode was 4.54 (95% CI, 1.65 to 12.44), independent of coronary risk factors. In multivariate models, use of barbiturates, meprobamates, phenothiazines, and lithium was associated with an increased risk of MI, whereas use of tricyclic antidepressants and benzodiazepines was not. Among individuals with no history of dysphoria, only lithium use was significantly associated with MI. CONCLUSIONS: These data suggest that a history of dysphoria and a major depressive episode increase the risk of MI. The association between psychotropic medication use and MI is probably a reflection of the primary relationship between depression and MI.

Adolescent↗
PubMed1998

Determinants of maximal inspiratory pressure. The Baltimore Longitudinal Study of Aging.

A variety of methods for subject selection and test procedures have been used for the determination of normal values and reference equations for maximal inspiratory pressure (MIP). In the cross-sectional study described here, we made MIP measurements on 668 men and women in the Baltimore Longitudinal Study of Aging (BLSA), using a standardized electronic procedure. Results were combined with spirometric and anthropometric measurements. After subjecting them to rigorous health screening, we analyzed a well-defined, healthy subgroup of 139 men and 128 women with a wide age range (20 to 90 yr), using multiple linear regression, for the purpose of determining the effect of age, other correlates, normal values, and gender-specific reference equations for MIP. The gender effect was strong, with the average MIP values of the men being about 30% higher than those of the women (101 cm H2O and 72 cm H2O, respectively). The reference equation for men is: MIP +/- standard error of the estimate (SEE) = 126 - 1.028 x age + 0.343 x weight (kg) +/- (22.4); and for women: MIP +/- SEE = 171 - 0.694 x age + 0. 861 x weight (kg) - 0.743 x height (cm) +/- (18.5). These equations may be used for the assessment of inspiratory muscle strength.

Adult↗
PubMed1996

Insanity defense pleas in Baltimore City: an analysis of outcome.

OBJECTIVE: The authors studied all defendants in Baltimore City's circuit and district courts who pleaded not criminally responsible, Maryland's version of the not guilty by reason of insanity plea, during a 1-year period. The study was designed to compare the perception that the insanity plea is misused to actual outcome data. METHOD: The cohort of defendants who pleaded not criminally responsible in both the circuit and district courts during calendar year 1991 was identified. Data on demographic characteristics, crimes committed, diagnoses, and psychiatrists' opinions on criminal responsibility were collected. Trial outcome data were obtained through a search of the circuit and district court computer systems. RESULTS: Of the 60,432 indictments filed in the two courts, 190 defendants (0.31 per 100 indictments) entered a plea of not criminally responsible. All but eight defendants (0.013 per 100 indictments) dropped this plea before trial. For these eight cases, both the state and the defense agreed that the defendant should be found not criminally responsible, and the plea was uncontested at trial. The remaining defendants had their charges dropped before trial, remained not competent to stand trial at the time of the study, or withdrew their pleas of not criminally responsible before trial. CONCLUSIONS: There were no trials that contested the plea of not criminally responsible. The state and defense agreed with each other for all of the defendants who actually retained the plea at trial. The perception that the insanity defense is overused and misused is not borne out by data.

Adult↗
PubMed2004

Understanding expanded school mental health services in Baltimore City.

This article explores the nature of expanded school mental health (ESMH) services in Baltimore City, which at the time of the study were incorporated into 40% of the city's public schools. A provider survey was distributed to ESMH clinicians to gather information on the characteristics of service providers and recipients, types of services being provided, and their proposed outcomes. Provider reports indicated an impressive service capacity, augmentation of traditional school-based services, and the continual need for increased mental health service hours in their buildings. In addition, the most frequently voiced benefits of the ESMH programs were increased mental health awareness and improved school climate. Implications of the findings for future programming development and research are discussed.

Adolescent↗
PubMed2005

The Baltimore City Drug Treatment Court: 3-year self-report outcome study.

This study reports results from interviews with 157 research participants who were interviewed 3 years after randomization into treatment and control conditions in the evaluation of the Baltimore City Drug Treatment Court. The interviews asked about crime, substance use, welfare, employment, education, mental and physical health, and family and social relationships. Program participants reported less crime and substance use than did controls. Few differences between groups were observed on other outcomes, although treatment cases were less likely than controls to be on the welfare rolls at the time of the interview. Effects differed substantially according to the originating court.

Adult↗
PubMed2005

Predicting Alzheimer's disease in the Baltimore longitudinal study of aging.

Longitudinal studies offer opportunities for studying children whose parents have Alzheimer's disease. The Baltimore Longitudinal Study of Aging (BLSA) has examined adult cognitive performance but has not systematically recruited participants' children. We initiated studies of dementia in the 1980s. This work suggested that hormone replacement and use of nonsteroidal anti-inflammatory drugs reduced the risk of Alzheimer's disease and that risk for Alzheimer's disease could be predicted from cognitive performance as many as 20 years prior to its onset. More recently, we showed that premorbid levels of free testosterone were lower in men who developed Alzheimer's disease and premorbid depressive symptomatology was a risk for Alzheimer's disease in men but not women as many as 6 years before the onset of dementia. Participants in the BLSA include family members with a variety of degrees of relationship, but there is no systematic effort to collect data from relatives of participants.

Adult↗
PubMed2005

A culturally targeted intervention to promote breast cancer screening among low-income women in East Baltimore, Maryland.

In Maryland, outreach initiatives have been unsuccessful in engaging low-income African American women in mammography screening. This study aimed to identify factors influencing screening rates for low-income African American women. Based on the Health Belief Model, a modified time series design was used to implement a culturally targeted intervention to promote a no-cost mammography-screening program. Data were collected from women 40 years of age and older on their history of mammography use and their knowledge and beliefs about breast cancer. A 50% screening rate was achieved among 119 eligible participants. Significant predictors of screening behaviors were perceived barriers, lack of insurance, and limited knowledge. This culturally targeted intervention resulted in an unprecedented screening rate among low-income African American women in Baltimore, Maryland.

Adult↗
PubMed1998

Onset and recovery from panic disorder in the Baltimore Epidemiologic Catchment Area follow-up.

BACKGROUND: The objective is to estimate parameters of the natural history of panic disorder, including its prodrome, incidence, recovery and recurrence. METHOD: In 1981 the Baltimore Epidemiologic Catchment Area Study interviewed 3481 individuals probabilistically selected from the household population. During 1993-1996, 1920 of these individuals (73% of survivors) were interviewed again. Baseline and follow-up interviews included the National Institute of Mental Health Diagnostic Interview Schedule. During the follow-up, a subsample was assessed by psychiatrists using the World Health Organization Schedules for Clinical Assessment in Neuropsychiatry (SCAN). RESULTS: There were 35 new cases of panic disorder in 24,475 person years of exposure, yielding an annual incidence of 1.43 per 1000 per year. Data from the SCAN assessments suggest the incidence estimate is conservative. Incidence is greater in females and declines with age. About one-third of the new cases arise without agoraphobia, but about half have anxiety of some sort present for many years prior to meeting criteria for diagnosis. People with agoraphobia have less intense onsets but slower recoveries than those without agoraphobia. CONCLUSIONS: Panic is heterogeneous in its pattern of onset and recovery. Some of the heterogeneity is associated with the presence of other anxiety over a long period of the life.

Adolescent↗
PubMed2000

Age-specific incidence rates of Alzheimer's disease: the Baltimore Longitudinal Study of Aging.

OBJECTIVE: To estimate age-specific incidence rates of AD in the Baltimore Longitudinal Study of Aging (BLSA). BACKGROUND: The BLSA is a volunteer cohort of normal subjects followed longitudinally with biennial evaluations at the Gerontology Research Center of the National Institute on Aging. METHODS: Subjects are 1236 participants (802 men, 434 women) in the BLSA with longitudinal follow-up between January 1985 and May 1998. The average length of follow-up was 7.5 years, with participants evaluated every 2 years by physical, neurologic, and neuropsychological examinations. Using Diagnostic and Statistical Manual of Mental Disorders, 3rd ed., revised and National Institute of Neurological and Communicative Disorders and Stroke-Alzheimer's Disease and Related Disorders Association criteria, the authors diagnosed dementia and AD. RESULTS: The authors diagnosed 155 cases of dementia, of which 114 (74%) were AD. Incidence rates of AD increased with age from an estimated 0.08% per year (95% CI 0.00 to 0.43) in the 60 to 65 age group to an estimated 6.48% per year (95% CI 5.01 to 8.38) in the 85+ age group for men and women combined. The doubling time of incidence rates was estimated to be approximately 4.4 years and the median time of conversion from mild cognitive impairment to diagnosis of AD was estimated to be 4.4 years. There was a trend for women to have higher incidence rates than men and for fewer years of education to be associated with higher incidence rates; however, these effects were not significant. CONCLUSION: Incidence rates for AD in the BLSA are consistent with published rates in other studies. The longitudinally followed subjects of the BLSA offer a unique opportunity to prospectively investigate the antecedents of AD.

Age Factors↗
PubMed2003

The relationship between social network characteristics and exchanging sex for drugs or money among drug users in Baltimore, MD, USA.

The current study examined social network and drug use factors associated with buying and selling sex among a sample of opiate and cocaine users in Baltimore, Maryland. A sample of 702 drug users who were sexually active were administered a social network and risk behaviour inventory. Compared to 25% of men, only 1.7% of women reported a history of giving money or drugs to get sex during the past 90 days. Conversely, more women (21.2%) than men (4.7%) sold sex for money or drugs. Those who sold sex were more likely to be low frequency crack smokers, were more likely to drink alcohol at least once a day, had a higher average number of crack-only smokers in their network, and had a smaller number of kin in their network. Men who exchanged money or drugs for sex tended to be low frequency crack smokers and reported having more crack-only smokers and injectors and fewer kin in their networks. The results suggest that network composition may be a risk factor for exchanging sex, particularly with respect to crack users, while kin may be a protective factor. These associations may be either a cause or consequence of exchanging sex.

Adult↗
PubMed2005

Racial differences in rate of decline in bone mass in older men: the Baltimore men's osteoporosis study.

UNLABELLED: Older black men have higher adjusted BMD than older white men. Using data from a longitudinal cohort study of older men followed for a mean of 18.8 +/- 6.5 (SD) months, we found that older black men have a higher rate of decline in femoral neck and total hip BMD and femoral neck BMAD than older white men. INTRODUCTION: Older black men have higher adjusted BMD compared with older white men. The difference in BMD may be caused by having attained higher peak bone mass as young adults and/or having a slower rate of decline in bone mass as adults. There are few published longitudinal data on change in bone mass in older white men and no published data for older black men. MATERIALS AND METHODS: Three hundred forty-nine white men and 119 black men 65 of age (mean age, 75 +/- 5.7 and 72 +/- 5.6 years, respectively) who participated in the longitudinal component of the Baltimore Men's Osteoporosis Study returned for a second visit after a mean of 18.8 +/- 6.5 (SD) months and were not taking medications used to treat low bone mass at either visit. BMD was measured at the femoral neck and total hip by Hologic-certified technicians using a QDR 2000 at the baseline visit (V1) and QDR 4500 at the first follow-up visit (V2). Participants also completed self-administered and interviewer-administered questionnaires and underwent standardized clinic examinations. Bone mineral apparent density (BMAD) at the femoral neck was calculated as an estimate of volumetric BMD. Annual crude and multiple variable adjusted percent changes in BMD and BMAD were calculated. RESULTS: In univariate analyses, black men had lower percent decline in femoral neck and total hip BMD and femoral neck BMAD than white men. In addition, older age at baseline, lower baseline weight, current smoking, and lower baseline BMD were associated with greater percent decline per year in femoral neck BMD; older age at baseline, current smoking, and lower baseline BMD were associated with greater percent decline per year in total hip BMD; and older age at baseline and lower baseline femoral neck BMAD were associated with greater percent decline per year in femoral neck BMAD. Racial differences in bone loss persisted in multiple variable models that controlled for other factors associated with change in BMD and BMAD. CONCLUSIONS: Older black men seem to lose bone mass at a slower rate than older white men. These differences in the rate of bone loss may account, in part, for the racial disparities in BMD and BMAD and risk of osteoporotic fractures among older men.

Black or African American↗
PubMed2005

Asthma, suicidal ideation, and suicide attempts: findings from the Baltimore epidemiologic catchment area follow-up.

OBJECTIVES: We examined cross-sectional and longitudinal associations between asthma, suicidal ideation, and suicide attempt among adults in the community. METHODS: Data were drawn from 3 waves (1981,1982,1993-1996) of the Baltimore follow-up of the Epidemiologic Catchment Area study. Multiple logistic regression analyses were used to examine associations between asthma, asthma treatment, suicidal ideation, suicide attempt, and suicide completion. RESULTS: Asthma at wave 1 was associated with a significantly increased odds of suicidal ideation (odds ratio [OR] = 2.33; confidence interval [CI] = 1.03, 5.25) and suicide attempt (OR=3.54; CI=1.4, 8.99), which persisted independent of lifetime National Institute of Mental Health Diagnostic Interview Schedule/Diagnostic and Statistical Manual of Mental Disorders, Third Edition major depression and treatment for asthma at wave 2. CONCLUSIONS: These findings provide preliminary evidence suggestive of an association between asthma and an increased likelihood of suicidal ideation and suicide attempt among adults in the community. Neither lifetime major depression nor treatment for asthma explained this relation. These results provide important directions for future research, and if replicated these data may have clinical and public health implications.

Adult↗
PubMed1994

Psychotic inpatients' social class and their first admission to state or private psychiatric Baltimore hospitals.

Social class differences were investigated among patients admitted to public and private psychiatric hospitals. Participants included first admission White psychotic men admitted to Baltimore metropolitan area hospitals between 1983 and 1989. After adjusting for age and diagnosis, patients with low levels of skills/credentials were found to be more likely than patients with higher levels to be admitted to state psychiatric hospitals. These findings underscore the persistence of social class as a determinant of differences in the use of psychiatric care.

Adolescent↗
PubMed1997

Cigarette sales to African-American and white minors in low-income areas of Baltimore.

OBJECTIVES: This study documented illegal sales of cigarettes to minors in low-income African-American and White urban areas in East Baltimore. METHODS: Six youths, aged 14 through 16 years, were sent to a random sample of 83 corner stores to attempt to purchase cigarettes. The youths provided the investigators with data on merchant, store, and purchase characteristics. RESULTS: The youths successfully purchased cigarettes in 85.5% of the stores; 58% of the stores displayed five or more cigarette advertisements outside their premises. CONCLUSIONS: Cigarette sales to minors and associated advertising remain prevalent in this urban community.

Adolescent↗