- Adolescent Sexual and Reproductive Health
- Tuberculosis Research and Epidemiology
- HIV/AIDS Research and Interventions
- Reproductive tract infections research
- LGBTQ Health, Identity, and Policy
- Sex work and related issues
- Cervical Cancer and HPV Research
- HIV, Drug Use, Sexual Risk
- Sexuality, Behavior, and Technology
- Mobile Health and mHealth Applications
- COVID-19 Impact on Reproduction
- Mycobacterium research and diagnosis
- Intimate Partner and Family Violence
- Genital Health and Disease
- Reproductive Health and Contraception
- Health disparities and outcomes
- Pneumocystis jirovecii pneumonia detection and treatment
- Infectious Diseases and Tuberculosis
- Focus Groups and Qualitative Methods
- Global Health Workforce Issues
- Syphilis Diagnosis and Treatment
- Healthcare Systems and Challenges
- Migration, Health and Trauma
- Diagnosis and treatment of tuberculosis
- HIV Research and Treatment
University College London
2016-2025
Mortimer Market Centre
2012-2022
Guttmacher Institute
2021
National Institute for Health Research
2020
Imperial College London
2019
Fonds de Recherche du Québec - Santé
2019
Canadian Institutes of Health Research
2019
Université Laval
2019
Hôpital du Saint-Sacrement
2019
Lothian Sexual Health
2016
BackgroundSexual behaviour and relationships are key components of wellbeing affected by social norms, attitudes, health. We present data on sexual behaviours attitudes in Britain (England, Scotland, Wales) from the three National Surveys Sexual Attitudes Lifestyles (Natsal).MethodsWe used a multistage, clustered, stratified probability sample design. Within each 1727 sampled postcode sectors for Natsal-3, 30 or 36 addresses were randomly selected then assigned to interviewers. To oversample...
BackgroundDespite its importance to sexual health and wellbeing, function is given little attention in policy. Population-based studies are needed understand across the life course.MethodsWe undertook a probability sample survey (the third National Survey of Sexual Attitudes Lifestyles [Natsal-3]) 15 162 individuals aged 16–74 years who lived Britain (England, Scotland, Wales). Interviews were done between Sept 6, 2010, Aug 31, 2012. We assessed distribution by use novel validated measure...
Unplanned pregnancy is a key public health indicator. We describe the prevalence of unplanned pregnancy, and associated factors, in general population sample Britain (England, Scotland, Wales).We did probability survey, third National Survey Sexual Attitudes Lifestyles (Natsal-3), 15,162 men women aged 16-74 years Britain, including 5686 child-bearing age (16-44 years) who were included analysis, between Sept 6, 2010, Aug 31, 2012. planning status pregnancies with known outcomes past year,...
Infection with human immunodeficiency virus (HIV) increases the risk of tuberculosis (TB), but no study has assessed how this changes time since HIV seroconversion.The incidence pulmonary TB was estimated in miners and those without infection a retrospective cohort study. test results were linked to routinely collected TB, demographic, occupational data. The rate ratio (RR) for association between status by seroconversion, calendar period, age.Of 23,874 cohort, 17,766 negative on entry, 3371...
What is the prevalence of infertility and help seeking among women men in Britain? One eight one ten aged 16–74 years had experienced infertility, defined by unsuccessfully attempting pregnancy for a year or longer, little more than half these people sought medical professional help. Estimates Britain vary widely are not easily comparable because different definitions study populations. A cross-sectional population survey was conducted between 2010 2012 with sample 15 162 years. Participants...
BackgroundPopulation-based estimates of prevalence, risk distribution, and intervention uptake inform delivery control programmes for sexually transmitted infections (STIs). We undertook the third National Survey Sexual Attitudes Lifestyles (Natsal-3) after implementation national sexual health strategies, describe epidemiology four STIs in Britain (England, Scotland, Wales) interventions.MethodsBetween Sept 6, 2010 Aug 31, 2012, we did a probability sample survey 15 162 women men aged 16–74...
Respondent-driven sampling is a novel variant of link-tracing for estimating the characteristics hard-to-reach groups, such as HIV prevalence in sex workers. Despite its use by leading health organizations, performance this method realistic situations still largely unknown. We evaluated respondent-driven comparing estimates from survey with total population data.Total data on age, tribe, religion, socioeconomic status, sexual activity, and status were available 2402 male household heads an...
<h3>Background</h3> Data from the first two National Surveys of Sexual Attitudes and Lifestyles, carried out in 1990–1991 (Natsal-1) 1999–2001 (Natsal-2), have been extensively used to inform sexual health policy Britain over past decades. Natsal-3 was September 2010 August 2012 order provide up-to-date measures lifestyles extend scope previous studies by including an older age group (up 74 years), extended range topics biological measures. <h3>Methods</h3> We describe methods Natsal-3,...
Objectives: To estimate survival patterns after HIV infection in adults low and middle-income countries. Design: An analysis of pooled data from eight different studies six Methods: seroconverters were included (three population-based, two occupational, three clinic cohorts) if they at least 15 years age, had no more than 4 between the last HIV-negative subsequent HIV-positive test. Four strata defined: East African cohorts; South miners cohort; Thai Haitian cohort. Kaplan–Meier functions...
Physical and mental health could greatly affect sexual activity fulfilment, but the nature of associations at a population level is poorly understood. We used data from third National Survey Sexual Attitudes Lifestyles (Natsal-3) to explore between lifestyles in Britain (England, Scotland, Wales).Men women aged 16-74 years who were resident households interviewed Sept 6, 2010, Aug 31, 2012. Participants completed survey their own homes through computer-assisted face-to-face interviews...
Background: There are currently no large general population epidemiological studies of Mycoplasma genitalium (MG), which include prevalence, risk factors, symptoms and co-infection in men women across a broad age range. Methods: In 2010-–12, we conducted the third National Survey Sexual Attitudes Lifestyles (Natsal-3), probability sample survey Britain. Urine from 4507 sexually-experienced participants, aged 16–44 years, was tested for MG. Results: MG prevalence 1.2% [95% confidence interval...
To date, research on men who have sex with (MSM) has largely focused their sexual health needs and recruited from gay-orientated venues. National probability survey data provide a rare opportunity to examine the broader sociodemographic, behavioural, profiles of MSM, defined as reported ≥1 male partner(s) in past 5 years, thus regardless identity, comparison reporting exclusively women (MSEW) during this time, also extent that inequalities cluster.Britain's third Survey Sexual Attitudes...
Establishing the clinical significance of symptoms sexual dysfunction is challenging. To address this, fifth edition Diagnostic and Statistical Manual Mental Disorders (DSM-5) introduced two new morbidity criteria (duration symptom severity) to existing distress. This study sought establish impact these three on population prevalence function problems. The data come from a national probability survey (Natsal-3) are based 11,509 male female participants aged 16–74, reporting at least one...
<h2>Summary</h2><h3>Background</h3> Sexual violence is increasingly recognised as a public health issue. Information about prevalence, associated factors, and consequences for in the population of Britain (England, Scotland, Wales) scarce. The third National Survey Health Attitudes Lifestyles (Natsal-3) first Natsal surveys to include questions sexual population-based survey explore issue outside context crime. <h3>Methods</h3> Between Sept 6, 2010, Aug 31, 2012, we did probability sample...
Background Sexual orientation encompasses three dimensions: sexual identity, attraction and behaviour. There is increasing demand for data on to meet equality legislation, monitor potential inequalities address public health needs. We present estimates of all dimensions their overlap in British men women, consider the implications services, research development evaluation interventions. Methods Analyses from Britain's third National Survey Attitudes Lifestyles, a probability sample survey...
Objective To assess progress in meeting young people's sex education needs Britain by examining the current situation and changes over past 20 years sources of information about sexual matters unmet needs. Design Cross-sectional probability sample surveys. Setting British general population. Participants 3869 men women aged 16–24 years, interviewed 2010–2012 for third National Survey Sexual Attitudes & Lifestyles (Natsal-3), compared with year-olds Natsal-1 (1990–1991; 792 women)...
To estimate the prevalence of painful sex among women in Britain, and to explore associated sexual, relationship health factors that should be considered assessment.Multi-stage, clustered stratified population probability sample survey, using computer-assisted self-interview. Sample frame was British Postcode Address File.Participants interviewed at home between 2010 2012.A total 15 162 adults aged 16-74 years (8869 women). Data reported from 6669 sexually active women.Age-adjusted logistic...
<h3>Objective</h3> To examine sociodemographic and behavioural differences between men who have sex with (MSM) participating in recent UK convenience surveys a national probability sample survey. <h3>Methods</h3> We compared 148 MSM aged 18–64 years interviewed for Britain9s third National Survey of Sexual Attitudes Lifestyles (Natsal-3) undertaken 2010–2012, the same age range contemporaneous MSM: 15 500 British resident European Internet (EMIS); 797 London Gay Men9s Health Survey; 1234...