Andrew J Copas
Biographic Data
| ID | 6063829 |
|---|---|
| NAME | Andrew J Copas |
| GIVEN NAMES | Andrew J |
| FAMILY NAME | Copas |
| SIGNATURE | COPAS A J |
| AFFILIATIONS | University College London |
| VERIFIED | No |
| TOTAL WORKS | 9 |
| TOTAL CITATIONS | 11 |
| AUTHOR COUNT | 9 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2001 |
| LATEST PUBLICATION YEAR | 2025 |
| H-INDEX | 1 |
Longitudinal Assessment of Sexual Behavior and Relationship Quality During the First Year of the Covid-19 Pandemic in Britain: Findings from a Longitudinal Population Survey (Natsal-Covid)
While the impact of social restrictions on sexual and romantic life early in the COVID-19 pandemic has been widely studied, little is known about impacts beyond the initial months. We analyzed responses from 2,098 British adults (aged 18-59) taking part in the Natsal-COVID study (Waves 1 and 2). Participants were recruited via a web panel and surveyed twice: four months and one year after the start of the UK's first national lockdown (July 2020 a…
Examining the potential public health benefit of offering STI testing to men in amateur football clubs: Evidence from cross-sectional surveys
Relative to young men in the general population, football club members who completed the SPORTSMART survey reported greater sexual risk behaviour but similar STI/HIV risk perception and STI testing history. Offering STI testing in amateur football clubs may therefore widen access to STI testing and health promotion messages for men at higher STI risk, which, given the minority currently testing and the popularity of football in England, should yi…
Changes in sexual attitudes and lifestyles in Britain through the life course and over time: Findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal)
BACKGROUND: Sexual behaviour and relationships are key components of wellbeing and are affected by social norms, attitudes, and health. We present data on sexual behaviours and attitudes in Britain (England, Scotland, and Wales) from the three National Surveys of Sexual Attitudes and Lifestyles (Natsal). METHODS: We used a multistage, clustered, and stratified probability sample design. Within each of the 1727 sampled postcode sectors for Natsal-…
Sexual function in Britain: Findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)
BACKGROUND: Despite its importance to sexual health and wellbeing, sexual function is given little attention in sexual health policy. Population-based studies are needed to understand sexual function across the life course. METHODS: We undertook a probability sample survey (the third National Survey of Sexual Attitudes and Lifestyles [Natsal-3]) of 15,162 individuals aged 16-74 years who lived in Britain (England, Scotland, and Wales). Interviews…
Evaluation of Respondent-driven Sampling
BACKGROUND: Respondent-driven sampling is a novel variant of link-tracing sampling for estimating the characteristics of hard-to-reach groups, such as HIV prevalence in sex workers. Despite its use by leading health organizations, the performance of this method in realistic situations is still largely unknown. We evaluated respondent-driven sampling by comparing estimates from a respondent-driven sampling survey with total population data. METHOD…
Women Who Report Having Sex With Women: British National Probability Data on Prevalence, Sexual Behaviors, and Health Outcomes
Objectives. We estimated the prevalence of same-sex experience among women and compared women reporting sex with women and men and women reporting sex exclusively with women with women reporting sex exclusively with men, in terms of sociodemographics and sexual, reproductive, and general health risk behaviors and outcomes. Methods. We used a British probability survey (n=6399 women, aged 16 to 44 years) conducted from 1999 to 2001 with face-to-fa…
Changes in the circumstances of young mothers in Britain: 1990 To 2000
Objectives: To assess changes between 1990 and 2000 in the circumstances of women who became mothers before the age of 18. Design: Two cross sectional probability sample surveys of the general population carried out in 1989–1991 (Natsal 1990) and 1999–2001 (Natsal 2000). Setting: British households. Participants: Women aged 18 to 27 years at time of survey (Natsal 1990: 2575, Natsal 2000: 1757). Main outcome measures: Educational attainment, part…
Sexual behaviour in Britain: Early heterosexual experience
Sexual behaviour in Britain: Partnerships, practices, and HIV risk behaviours
Women Who Report Having Sex With Women: British National Probability Data on Prevalence, Sexual Behaviors, and Health Outcomes
Objectives. We estimated the prevalence of same-sex experience among women and compared women reporting sex with women and men and women reporting sex exclusively with women with women reporting sex exclusively with men, in terms of sociodemographics and sexual, reproductive, and general health risk behaviors and outcomes. Methods. We used a British probability survey (n=6399 women, aged 16 to 44 years) conducted from 1999 to 2001 with face-to-fa…
Changes in the circumstances of young mothers in Britain: 1990 To 2000
Objectives: To assess changes between 1990 and 2000 in the circumstances of women who became mothers before the age of 18. Design: Two cross sectional probability sample surveys of the general population carried out in 1989–1991 (Natsal 1990) and 1999–2001 (Natsal 2000). Setting: British households. Participants: Women aged 18 to 27 years at time of survey (Natsal 1990: 2575, Natsal 2000: 1757). Main outcome measures: Educational attainment, part…
Sexual behaviour in Britain: Early heterosexual experience
Sexual behaviour in Britain: Partnerships, practices, and HIV risk behaviours
Changes in the circumstances of young mothers in Britain: 1990 To 2000
Objectives: To assess changes between 1990 and 2000 in the circumstances of women who became mothers before the age of 18. Design: Two cross sectional probability sample surveys of the general population carried out in 1989–1991 (Natsal 1990) and 1999–2001 (Natsal 2000). Setting: British households. Participants: Women aged 18 to 27 years at time of survey (Natsal 1990: 2575, Natsal 2000: 1757). Main outcome measures: Educational attainment, part…
Women Who Report Having Sex With Women: British National Probability Data on Prevalence, Sexual Behaviors, and Health Outcomes
Objectives. We estimated the prevalence of same-sex experience among women and compared women reporting sex with women and men and women reporting sex exclusively with women with women reporting sex exclusively with men, in terms of sociodemographics and sexual, reproductive, and general health risk behaviors and outcomes. Methods. We used a British probability survey (n=6399 women, aged 16 to 44 years) conducted from 1999 to 2001 with face-to-fa…
Evaluation of Respondent-driven Sampling
BACKGROUND: Respondent-driven sampling is a novel variant of link-tracing sampling for estimating the characteristics of hard-to-reach groups, such as HIV prevalence in sex workers. Despite its use by leading health organizations, the performance of this method in realistic situations is still largely unknown. We evaluated respondent-driven sampling by comparing estimates from a respondent-driven sampling survey with total population data. METHOD…
Changes in sexual attitudes and lifestyles in Britain through the life course and over time: Findings from the National Surveys of Sexual Attitudes and Lifestyles (Natsal)
BACKGROUND: Sexual behaviour and relationships are key components of wellbeing and are affected by social norms, attitudes, and health. We present data on sexual behaviours and attitudes in Britain (England, Scotland, and Wales) from the three National Surveys of Sexual Attitudes and Lifestyles (Natsal). METHODS: We used a multistage, clustered, and stratified probability sample design. Within each of the 1727 sampled postcode sectors for Natsal-…
Sexual function in Britain: Findings from the third National Survey of Sexual Attitudes and Lifestyles (Natsal-3)
BACKGROUND: Despite its importance to sexual health and wellbeing, sexual function is given little attention in sexual health policy. Population-based studies are needed to understand sexual function across the life course. METHODS: We undertook a probability sample survey (the third National Survey of Sexual Attitudes and Lifestyles [Natsal-3]) of 15,162 individuals aged 16-74 years who lived in Britain (England, Scotland, and Wales). Interviews…
Examining the potential public health benefit of offering STI testing to men in amateur football clubs: Evidence from cross-sectional surveys
Relative to young men in the general population, football club members who completed the SPORTSMART survey reported greater sexual risk behaviour but similar STI/HIV risk perception and STI testing history. Offering STI testing in amateur football clubs may therefore widen access to STI testing and health promotion messages for men at higher STI risk, which, given the minority currently testing and the popularity of football in England, should yi…
Longitudinal Assessment of Sexual Behavior and Relationship Quality During the First Year of the Covid-19 Pandemic in Britain: Findings from a Longitudinal Population Survey (Natsal-Covid)
While the impact of social restrictions on sexual and romantic life early in the COVID-19 pandemic has been widely studied, little is known about impacts beyond the initial months. We analyzed responses from 2,098 British adults (aged 18-59) taking part in the Natsal-COVID study (Waves 1 and 2). Participants were recruited via a web panel and surveyed twice: four months and one year after the start of the UK's first national lockdown (July 2020 a…
Demography (9 works) · Population (9 works) · Medicine (8 works) · Adolescent Sexual and Reproductive Health (7 works) · HIV/AIDS Research and Interventions (6 works) · Reproductive health (5 works) · Environmental health (4 works) · Gerontology (4 works) · Family medicine (3 works) · Geography (3 works)