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David Mabey

Publications and source records attributed to David Mabey.

At least 19 recordsLinked to original sources
PubMed2007

Prioritizing health problems in women in developing countries: comparing the financial burden of reproductive tract infections, anaemia and depressive disorders in a community survey in India.

OBJECTIVES: To compare the health care and opportunity costs of three common health problems [depressive disorders, reproductive tract infections (RTIs) and anaemia] affecting women and their associated risks of catastrophic health expenditure (defined a priori as out-of-pocket expenditure on health care exceeding 10% of the total monthly household income). METHODS: Cross-sectional survey of 2494 women who consented to participate, from a randomly selected sample of 3000 women aged 18-50, living in the catchment area of a primary health centre in Goa, India. Depressive disorders were diagnosed with the Revised Clinical Interview Schedule; anaemia on the basis of a fingerprick sample of blood using the Haemocue system; and RTI using PCR, culture and microscopy with vaginal or urine specimens. Economic consequences were measured using the Costs of Illness Schedule and the WHO Disability Assessment Schedule. Health provision costs were calculated using previously derived unit costs for services for the main types of health care provider. RESULTS: Catastrophic health expenditure, defined a priori as >10% of total household income spent out of pocket on health in the previous month, was reported by 138 women (5.5%; CI: 4.7-6.5%); they were more likely to report economic difficulties, such as having gone hungry in the past 3 months because of lack of money (OR 1.99, CI 1.1-3.6, P = 0.02). Only depressive disorder was associated with significantly higher health care costs, lost time costs and risk of catastrophic health expenditure (OR 2.66, CI 1.6-4.4, P < 0.001, after adjustment for possible sociodemographic confounders and other physical health problems). There was a linear association between the psychological morbidity score (arranged into quintile groups) and the risk of catastrophic health expenditure (adjusted). CONCLUSIONS: If economic arguments were considered a key driver for global health policy, then depressive disorder should be considered a major health priority for women in developing countries.

Adolescent↗
PubMed2006

Common genital complaints in women: the contribution of psychosocial and infectious factors in a population-based cohort study in Goa, India.

BACKGROUND: The genital complaint of abnormal vaginal discharge is common in South Asia. We describe the risk factors for the incidence of the complaint in women of reproductive age. Method Population-based cohort study in Goa, India. Out of 3000 randomly selected women, 2494 women participated. The outcome was an incident case of the complaint of abnormal vaginal discharge at 6 months (T1) and 12 months (T2) review. RESULTS: In total 71 (3.6%, 95% CI 2.8-4.5%) of the 2000 eligible women reviewed at T1 reported the complaint; and 80 (4.0%, CI 3.2-5.0%) of the 1999 women who did not complain of abnormal vaginal discharge at T1 reported it at T2. Multivariate logistic regression analysis identified the following factors as associated with the complaint: younger age (OR 0.26, CI 0.1-0.5 for women aged 40-49 years compared with women aged 18-24 years); illiteracy (OR 1.48, CI 0.9-2.4); religion (Muslim women OR 3.15, CI 1.7-6.0 compared with Hindu women); women's concerns regarding their spouse's extramarital relationships (OR 3.46, CI 1.2-10.0); current BV infection (OR 1.87, CI 1.2-2.9); somatoform complaints (OR 3.30, CI 1.7-6.5 for the highest somatoform score quartile compared with the lowest); and depression and anxiety (OR 1.55, CI 0.9-2.6 for the highest mental health score quartile compared with the lowest). CONCLUSIONS: Reproductive and sexual health programmes must strengthen the capacity of practitioners to assess and treat bacterial vaginosis and psychosocial problems in women with complaints of abnormal vaginal discharge.

Adolescent↗
PubMed2006

Intensive insecticide spraying for fly control after mass antibiotic treatment for trachoma in a hyperendemic setting: a randomised trial.

BACKGROUND: There are no data on the cumulative effect of fly control and antibiotic distribution on trachoma in hyperendemic communities. We sought to determine whether insecticide spray intervention after mass antibiotic treatment could reduce trachoma and ocular infection with Chlamydia trachomatis in hyperendemic neighbourhoods in Tanzania. METHODS: We did a single-blind, randomised clinical trial in 16 neighbourhoods (balozi) in Kongwa, Tanzania. All children aged 1-7 years were enrolled, with 119 children in the eight balozi of the intervention group and 183 in the eight control balozi. Children were examined at baseline, 6 months, and 1 year for clinical trachoma and ocular C trachomatis infection. One dose of azithromycin was offered to all residents of both intervention and control balozi after the baseline survey. Households (and surrounding areas) in the intervention group were then sprayed with insecticide throughout the ensuing year and monitored for reductions in fly counts. This study is registered at ClinicalTrials.gov, number NCT00347763. FINDINGS: The intervention balozi had significantly lower fly counts than controls at all monitored weeks (p<0.05), apart from weeks 7-9. The trachoma rate did not differ significantly in the intervention and control balozi at 6 months post-treatment (20%vs 33%, p=0.07), nor did it at 1 year (43%vs 44%, p=0.90). Infection with C trachomatis did not differ between groups at 6 months post-treatment (9%vs 7%, p=0.45). INTERPRETATION: Intensive insecticide spraying reduced flies in the environment, but our results suggest that fly reduction after mass antibiotic treatment has no added benefit on reduction of trachoma.

Anti-Bacterial Agents↗
PubMed2006

The relationship between prevalence of active trachoma, water availability and its use in a Tanzanian village.

This study aimed to establish the relationship between the prevalence of active trachoma in children, water availability and household water use in a village in Tanzania. Nine hundred and fourteen children aged 1-9 years were examined for signs of trachoma. Data were collected on time taken to collect water, amount of water collected and other trachoma risk factors. In a sub-study, 99 randomly selected households were visited twice daily on two consecutive days to document patterns of water use. The prevalence of active trachoma in the children examined was 18.4% (95% CI 15.9-20.9). Active trachoma prevalence increased with increasing water collection time (OR 2.25; 95% CI 1.13-4.46) but was unrelated to the amount of water collected. In the sub-study, active trachoma prevalence was substantially lower in children from households where more water was used for personal hygiene (P for trend < or =0.01), independent of the total amount of water used. The allocation of water to hygiene was predicted by lower water collection time. The key element in the relationship between water availability and trachoma is the allocation of water within households. Collection time may influence both the quantity of water collected and its allocation within the household.

Child↗
PubMed2006

Mapping the global distribution of trachoma.

OBJECTIVE: We aimed to summarize and map the existing global population-based data on active trachoma and trichiasis. Detailed distribution maps of various infectious diseases have proved a valuable tool in their control. Such maps play an important role in assessing the magnitude of the problem, defining priority areas for control, monitoring changes, and advocacy. Until now, information on trachoma prevalence at within country levels has not been systematically collated, analysed and reported. METHODS: We gathered the last 18 years' worth of reported data on active trachoma in children aged less than 10 years, and the last 25 years of reported trichiasis in adults aged 15 years and over from 139 population-based surveys in 33 countries. We collated these data into one database using the "district" (second administrative level) as the standard unit of reporting. We used Geographical Information Systems as a database and cartographic tool to generate a global map of the prevalence of trachoma and trichiasis. FINDINGS: We obtained data on active trachoma and trichiasis from 18 countries in the WHO African Region, 6 in the Eastern Mediterranean Region, 3 in the South-East Asia Region, 3 in the Western Pacific Region and 2 in the Region of the Americas. In 23 countries suspected of having endemic trachoma no reliable district-level population-based data were available. In China and India, data were limited to a few districts. The data highlighted important regional differences and marked national variations in prevalence of active trachoma and trichiasis. CONCLUSION: This is the first attempt to summarize and map the existing population-based data on active trachoma and trichiasis. The lack of data in many countries remains an important obstacle to trachoma control efforts.

Adolescent↗
PubMed2006

Gender disadvantage and reproductive health risk factors for common mental disorders in women: a community survey in India.

BACKGROUND: Gender disadvantage and reproductive health are major determinants of women's health in developing countries. OBJECTIVE: To determine the association of factors indicative of gender disadvantage and reproductive health with the risk of common mental disorders (CMDs) in women. DESIGN: Cross-sectional survey from November 1, 2001, to June 15, 2003. PARTICIPANTS: A total of 3000 women randomly selected from a sampling frame of women aged 18 to 45 years in Goa; 2494 women participated. MAIN OUTCOME MEASURES: The primary outcome was the presence of a CMD, as defined by the Revised Clinical Interview Schedule. An interview and blood and vaginal/urine specimens were collected to ascertain risk factors. RESULTS: The prevalence of CMD was 6.6% (95% confidence interval [CI], 5.7%-7.6%). Mixed anxiety-depressive disorder was the most common diagnosis (64.8%). Factors independently associated with the risk for CMD were factors indicative of gender disadvantage, particularly sexual violence by the husband (odds ratio [OR], 2.3; 95% CI, 1.1-4.6), being widowed or separated (OR, 5.4; 95% CI, 1.0-30.0), having low autonomy in decision making (OR, 1.98; 95% CI, 1.2-3.2), and having low levels of support from one's family (OR, 2.2; 95% CI, 1.4-3.3); reproductive health factors, particularly gynecological complaints such as vaginal discharge (OR, 3.2; 95% CI, 2.2-4.8) and dyspareunia (OR, 2.5; 95% CI, 1.4-4.6); and factors indicative of severe economic difficulties, such as hunger (OR, 2.7; 95% CI, 1.6-4.6). There was no association between biological indicators (anemia and reproductive tract infections) and CMD. CONCLUSIONS: The clinical assessment of CMD in women must include exploration of violence and gender disadvantage. Gynecological symptoms may be somatic equivalents of CMD in women in Asian cultures.

Adolescent↗
PubMed2006

Why do we need quality-assured diagnostic tests for sexually transmitted infections?

The bacterial sexually transmitted infections (STIs) syphilis, gonorrhoea and chlamydia can all be cured with a single dose of antibiotic. Unfortunately, however, these infections often remain undiagnosed as many infected individuals have few if any symptoms. Diagnostic tests with high sensitivity and specificity are available for all three infections but, owing to their expense and the lack of laboratory capacity, most people in developing countries do not have access to these tests. There is a great need for simple, cheap diagnostic tests for STIs that can be performed at the point of care, enabling treatment to be given immediately. It is hoped that recent advances in our understanding of the pathogenesis of these infections, and the availability of the complete genome sequences for each causative organism, will lead to the development of improved point-of-care tests that will reduce the burden of these diseases in developing countries.

Anti-Bacterial Agents↗
PubMed2006

Why do we need quality-assured diagnostic tests for sexually transmitted infections?

The bacterial sexually transmitted infections (STIs) syphilis, gonorrhoea and chlamydia can all be cured with a single dose of antibiotic. Unfortunately, however, these infections often remain undiagnosed as many infected individuals have few if any symptoms. Diagnostic tests with high sensitivity and specificity are available for all three infections but, owing to their expense and the lack of laboratory capacity, most people in developing countries do not have access to these tests. There is a great need for simple, cheap diagnostic tests for STIs that can be performed at the point of care, enabling treatment to be given immediately. It is hoped that recent advances in our understanding of the pathogenesis of these infections, and the availability of the complete genome sequences for each causative organism, will lead to the development of improved point-of-care tests that will reduce the burden of these diseases in developing countries.

Chlamydia Infections↗
PubMed2006

Risk factors for common mental disorders in women. Population-based longitudinal study.

BACKGROUND: The determinants of common mental disorders in women have not been described in longitudinal studies from a low-income country. METHOD: Population-based cohort study of 2494 women aged 18 to 50 years, in India. The Revised Clinical Interview Schedule was used for the detection of common mental disorders. RESULTS: There were 39 incident cases of common mental disorder in 2166 participants eligible for analysis (12-month rate 1.8%, 95% CI 1.3-2.4%). The following baseline factors were independently associated with the risk for common mental disorder: poverty (low income and having difficulty making ends meet); being married as compared with being single; use of tobacco; experiencing abnormal vaginal discharge; reporting a chronic physical illness; and having higher psychological symptom scores at baseline. CONCLUSIONS: Programmes to reduce the burden of common mental disorder in women should target poorer women, women with chronic physical illness and who have gynaecological symptoms, and women who use tobacco.

Adolescent↗
PubMed2006

The SAFE strategy for trachoma control: Using operational research for policy, planning and implementation.

Trachoma is a neglected disease and also the world's leading infectious cause of blindness. It causes misery, dependency and is a barrier to development. Trachoma is controlled by a WHO-endorsed integrated strategy of surgery for trichiasis, antibiotic therapy, facial cleanliness and environmental improvement, which is known by the acronym SAFE. The strategy is based on evidence from field trials and is continually being refined by operational research that informs national policy and planning; the strategy has affected both programme delivery and implementation. As a result of the findings of operational research, surgery is now frequently conducted by paramedics in communities rather than by ophthalmologists in hospitals; yearly mass distribution of a single oral dose of azithromycin has replaced the use of topical tetracycline; and the promotion of better hygiene, face-washing and the use of latrines are used to reduce transmission. Those who implement programmes have been equal partners in conducting operational research thus reducing the "know-do" gap and minimizing the lag that often exists between the completion of trials and putting their results into practice. Operational research has become a part of practice. Although there are still many questions without answers, national programme coordinators have a reasonable expectation that trachoma control programmes based on SAFE will work.

Anti-Bacterial Agents↗
PubMed2005

Risk factors influencing HIV infection incidence in a rural African population: a nested case-control study.

BACKGROUND: Risk factors influencing the incidence of human immunodeficiency virus (HIV) infection were investigated in a case-control study nested within a community-randomized trial of treatment of syndromic sexually transmitted infections (STIs) in rural Tanzania. METHODS: Case patients were persons who became HIV positive, and control subjects were randomly selected from among persons who remained HIV negative. For each sex, we obtained adjusted odds ratios (ORs) and population-attributable fractions (PAFs) for biomedical and behavioral factors. RESULTS: We analyzed 92 case patients and 903 control subjects. In both sexes, the incidence of HIV infection was significantly higher in subjects with an HIV-positive spouse than in those with HIV-negative spouse (men: OR, 25.1; women: OR, 34.0). The incidence of HIV infection was significantly higher in those who became positive for herpes simplex virus type 2 (HSV-2) (men: OR, 5.60; women: OR, 4.76) and those who were HSV-2-positive at baseline (men: OR, 3.66; women: OR, 2.88) than in subjects who were HSV-2 negative. In women, living elsewhere (OR, 3.22) and never having given birth (OR, 4.27) were significant risk factors. After adjustment, the incidence of HIV infection was not significantly associated with a history of injections or STIs in either sex. CONCLUSION: HSV-2 infection was the most important risk factor for HIV infection, which highlights the need for HSV-2 interventions in HIV infection control, and there were particularly strong associations with recent HSV-2 seroconversion. The PAF associated with having an HIV-positive spouse was low, but this is likely to increase during the epidemic.

Adolescent↗
PubMed2005

Is sexual contact with sex workers important in driving the HIV epidemic among men in rural Zimbabwe?

OBJECTIVE: To establish the importance of commercial sex in driving the HIV epidemic in the general population by determining risk factors for HIV infection among male mine and farm workers and estimating the fraction of prevalent HIV infections attributable to sexual contact with sex workers (SWs). SETTING: Five commercial farms and 2 mines in Mashonaland West, Zimbabwe. METHODS: A cross-sectional interviewer-administered questionnaire and urine survey of 1405 male workers. Urine samples were tested for HIV antibodies by a particle agglutination test and enzyme-linked immunosorbent assay and for Chlamydia trachomatis and Neisseria gonorrhoeae using a polymerase chain reaction assay. RESULTS: The overall prevalence of HIV antibodies was 27.3% (95% confidence interval [CI]: 24.8 to 29.5), that of C. trachomatis was 1.5% (95% CI: 1.0 to 2.1), and that of N. gonorrhoeae was 0.5% (95% CI: 0.1 to 0.9). A total of 48.4% (95% CI: 45.8 to 51.0) of men reported ever having had sexual contact with an SW, and 29.3% (95% CI: 26.9 to 31.7) reported contact in the past year. HIV was more common among men who reported SW contact on univariate (1.9% [95% CI: 1.5 to 2.4]) and multivariate (1.4% [95% CI: 1.0 to 1.8]) analysis after adjusting for confounding. HIV was also strongly associated with self-reported genital ulceration in the previous 6 months (adjusted odds ratio [OR] = 3.1, 95% CI: 2.2 to 4.3). Genital ulceration and SW contact were highly correlated. A total of 19.6% of HIV infections in men could be attributed to ever having had sexual contact with an SW (95% CI: 10.8 to 27.6). CONCLUSIONS: An appreciable proportion of HIV infection in men is attributable to sexual contact with SWs. Consideration should be given to developing interventions that target male clients of SWs.

Adult↗
PubMed2005

Single-dose azithromycin versus penicillin G benzathine for the treatment of early syphilis.

BACKGROUND: Pilot studies suggest that a single, 2-g oral dose of azithromycin may be an alternative to a 2.4-MU intramuscular dose of penicillin G benzathine in the prevention and treatment of syphilis. We evaluated the efficacy of treatment with azithromycin in a developing country. METHODS: A total of 328 subjects, 25 with primary and 303 with high-titer (a titer of at least 1:8 on a rapid plasmin reagin [RPR] test) latent syphilis, were recruited through screening of high-risk populations in Mbeya, Tanzania, and randomly assigned to receive 2 g of azithromycin orally (163 subjects) or 2.4 million units of penicillin G benzathine intramuscularly (165 subjects). The primary outcome was treatment efficacy, with cure defined serologically (a decline in the RPR titer of at least two dilutions by nine months after treatment) and, in primary syphilis, by epithelialization of ulcers within one or two weeks. RESULTS: The average age of participants was 27.0 years, 235 (71.6 percent) were female, and 171 (52.1 percent) were seropositive for human immunodeficiency virus. Cure rates were 97.7 percent (95 percent confidence interval, 94.0 to 99.4) in the azithromycin group and 95.0 percent (95 percent confidence interval, 90.6 to 97.8) in the penicillin G benzathine group (95 percent confidence interval for the difference, -1.7 to 7.1 percent), achieving prespecified criteria for equivalence. Cure rates were also similar three and six months after treatment in the two groups and in all subgroups. Cure rates at three months were 59.4 percent (95 percent confidence interval, 51.8 to 67.1) in the azithromycin group and 59.5 percent (95 percent confidence interval, 51.8 to 67.3) in the penicillin G benzathine group and at six months were 85.5 percent (95 percent confidence interval, 79.4 to 90.6) and 81.5 percent (95 percent confidence interval, 74.8 to 87.4), respectively. CONCLUSIONS: Single-dose oral azithromycin is effective in treating syphilis and may be particularly useful in developing countries in which the use of penicillin G benzathine injections is problematic. However, recent reports of azithromycin-resistant Treponema pallidum in the United States indicate the importance of continued monitoring for resistance.

Administration, Oral↗
PubMed2005

Chronic fatigue in developing countries: population based survey of women in India.

OBJECTIVES: To describe the prevalence of and risk factors for chronic fatigue in a developing country; in particular, to determine the association of anaemia, mental health, and gender disadvantage factors with chronic fatigue. DESIGN: Community survey. SETTING: Primary health centre catchment area in Goa, India. PARTICIPANTS: 3000 randomly sampled women aged 18 to 50 years. MAIN OUTCOME MEASURES: Data on the primary outcome (reporting of fatigue for at least six months) and psychosocial exposures elicited by structured interview; presence of anaemia determined from a blood sample. RESULTS: 2494 (83%) women consented to participate; 12.1% (95% confidence interval 10.8 to 13.4%) complained of chronic fatigue. In multivariate analyses, older women (P = 0.03) and those experiencing socioeconomic deprivation-less education (P < 0.001), families in debt (P = 0.09), or hunger in the past three months (P = 0.03)-were more likely to report chronic fatigue. After adjustment for these factors, factors indicating gender disadvantage (notably sexual violence by the husband; P < 0.001) and poor mental health (P < 0.001) were strongly associated with chronic fatigue. Although women with a high body mass index had a reduced risk, suggesting an influence of poor nutrition, no association was found between chronic fatigue and haemoglobin concentrations. CONCLUSIONS: Chronic fatigue was commonly reported by women in this community study from India. The strongest associations with chronic fatigue were for psychosocial factors indicative of poor mental health and gender disadvantage.

Adolescent↗
PubMed2005

Why do women complain of vaginal discharge? A population survey of infectious and pyschosocial risk factors in a South Asian community.

BACKGROUND: Vaginal discharge is a common complaint, particularly among women in Asia. Although presumed to be caused by reproductive tract infections (RTIs), the association between the complaint and the presence of RTIs is weak. This study aimed to investigate the risk factors of the complaint of vaginal discharge. METHODS: We conducted a community-based survey of 3000 women aged 18-50 years, randomly sampled from a population in Goa, India. Women who gave informed consent were invited to participate in a structured interview, which elicited data on the primary outcome (the experience of current abnormal vaginal discharge) and psychosocial exposures: gender adversity; symptoms of somatoform disorders; and common mental disorders (CMD). All women were required to provide vaginal and/or urine samples for diagnosis of RTIs using gold standard laboratory tests. Risk factors were analysed using logistic regression with the binary outcome of the complaint of vaginal discharge. RESULTS: Of the 2494 women (83%) who agreed to participate, 14.5% complained of having an abnormal vaginal discharge. Stress was the most common causal attribution for the complaint. The final multivariate model found that high scores for CMD (OR 2.16, 1.4-3.2) and somatoform disorders (6.23, 4.0-9.7) and the use of an intrauterine contraceptive device (1.86, 1.0-3.4) were independently associated with the complaint. Low literacy (0.54, 0.4-0.8) and age >40 years (0.29, 0.2-0.4) were associated with a reduced risk. RTI were not associated with the complaint (1.24, 0.9-1.6). CONCLUSIONS: Psychosocial factors have the strongest association with the complaint of vaginal discharge. Syndromic management algorithms need refinement so that women with complaints that are non-infectious in aetiology are offered psychosocial interventions.

Adolescent↗
PubMed2005

The appropriateness of core group interventions using presumptive periodic treatment among rural Zimbabwean women who exchange sex for gifts or money.

To map the characteristics of rural based sex workers in Zimbabwe with regard to demographics, mobility, behavior, HIV and sexually transmitted infection (STI) prevalence, to explore the appropriateness and feasibility of presumptive periodic treatment (PPT) for bacterial STIs as an HIV prevention intervention among these women, and to compare tolerability of 2 PPT regimens (1 g of azithromycin and 2 g of metronidazole+/-500 mg of ciprofloxacin). Five commercial farms and 2 mines in Mashonaland West, Zimbabwe. Three hundred sixty-three sex workers were recruited and completed a structured interviewer-administered questionnaire. Each participant had blood tested for antibody to HIV, herpes simplex virus 2 (HSV-2), and syphilis; urine tested for Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG); and a vaginal swab tested for Trichomonas vaginalis (TV). Women were randomly assigned to receive a single dose of 1 of 2 PPT regimens and then followed to assess rates of side effects and reinfection. The overall prevalence of antibody to HIV was 55.7% (95% confidence interval [CI]: 50.6-60.9) and that of HSV-2 was 80.8% (95% CI: 76.7-84.9). The prevalence of CT and NG was low (CT=1.7%, 95% CI: 0.3-3.0); (NG=1.9%, 95% CI: 0.5-3.4), with a much higher prevalence of TV (TV=19.3%, 95% CI: 15.2-23.4). Prevalence of CT, NG, and TV was appreciably reduced 1 month after PPT but rose to pretreatment levels at the 2- and 3-month visits. The rate of moderate or severe side effects after PPT was low, but it was higher in the women who received ciprofloxacin in addition to azithromycin and metronidazole (P=0.007). It was feasible to access women who reported exchanging money or gifts for sex in rural communities, although many of these women engaged in sex work only infrequently. The prevalence of bacterial STIs was low, suggesting that PPT may not be an appropriate intervention in this setting. Rapid reinfection after PPT suggests that this needs to be given at monthly intervals to reduce prevalence of STIs.

Adult↗