Copas A - Search Results

1

The long-term effects of a peer-led sex education programme (RIPPLE): a cluster randomised trial in schools in England.

Stephenson J, Strange V, Allen E, Copas A, Johnson A, Bonell C, Babiker A, Oakley A; RIPPLE Study Team. Stephenson J, et al. Among authors: copas a. PLoS Med. 2008 Nov 25;5(11):e224; discussion e224. doi: 10.1371/journal.pmed.0050224. PLoS Med. 2008. PMID: 19067478 Free PMC article. Clinical Trial.

2

Assessing participation bias in a sexual behaviour survey: implications for measuring HIV risk.

Copas AJ, Johnson AM, Wadsworth J. Copas AJ, et al. AIDS. 1997 May;11(6):783-90. doi: 10.1097/00002030-199706000-00011. AIDS. 1997. PMID: 9143611

3

Factors associated with gonorrhoea in men aware of being positive for HIV infection: case-control study.

Sadiq ST, Copas AJ, Johnson AM. Sadiq ST, et al. Among authors: copas aj. BMJ. 1998 Oct 17;317(7165):1052-3. doi: 10.1136/bmj.317.7165.1052. BMJ. 1998. PMID: 9774290 Free PMC article. No abstract available.

4

Effect of computer-assisted self-interviews on reporting of sexual HIV risk behaviours in a general population sample: a methodological experiment.

Johnson AM, Copas AJ, Erens B, Mandalia S, Fenton K, Korovessis C, Wellings K, Field J. Johnson AM, et al. Among authors: copas aj. AIDS. 2001 Jan 5;15(1):111-5. doi: 10.1097/00002030-200101050-00016. AIDS. 2001. PMID: 11192852

5

A cognitive behavioural intervention to reduce sexually transmitted infections among gay men: randomised trial.

Imrie J, Stephenson JM, Cowan FM, Wanigaratne S, Billington AJ, Copas AJ, French L, French PD, Johnson AM; Behavioural Intervention in Gay Men Project Study Group. Imrie J, et al. Among authors: copas aj. BMJ. 2001 Jun 16;322(7300):1451-6. doi: 10.1136/bmj.322.7300.1451. BMJ. 2001. PMID: 11408300 Free PMC article. Clinical Trial.

6

The accuracy of reported sensitive sexual behaviour in Britain: exploring the extent of change 1990-2000.

Copas AJ, Wellings K, Erens B, Mercer CH, McManus S, Fenton KA, Korovessis C, Macdowall W, Nanchahal K, Johnson AM. Copas AJ, et al. Sex Transm Infect. 2002 Feb;78(1):26-30. doi: 10.1136/sti.78.1.26. Sex Transm Infect. 2002. PMID: 11872855 Free PMC article.

7

Is use of antiretroviral therapy among homosexual men associated with increased risk of transmission of HIV infection?

Stephenson JM, Imrie J, Davis MM, Mercer C, Black S, Copas AJ, Hart GJ, Davidson OR, Williams IG. Stephenson JM, et al. Among authors: copas aj. Sex Transm Infect. 2003 Feb;79(1):7-10. doi: 10.1136/sti.79.1.7. Sex Transm Infect. 2003. PMID: 12576605 Free PMC article.

8

Effect of social exclusion on the risk of teenage pregnancy: development of hypotheses using baseline data from a randomised trial of sex education.

Bonell CP, Strange VJ, Stephenson JM, Oakley AR, Copas AJ, Forrest SP, Johnson AM, Black S. Bonell CP, et al. Among authors: copas aj. J Epidemiol Community Health. 2003 Nov;57(11):871-6. doi: 10.1136/jech.57.11.871. J Epidemiol Community Health. 2003. PMID: 14600112 Free PMC article. Clinical Trial.

9

Increasing prevalence of male homosexual partnerships and practices in Britain 1990-2000: evidence from national probability surveys.

Mercer CH, Fenton KA, Copas AJ, Wellings K, Erens B, McManus S, Nanchahal K, Macdowall W, Johnson AM. Mercer CH, et al. Among authors: copas aj. AIDS. 2004 Jul 2;18(10):1453-8. doi: 10.1097/01.aids.0000131331.36386.de. AIDS. 2004. PMID: 15199322

10

Investigating the relationship between HIV testing and risk behaviour in Britain: National Survey of Sexual Attitudes and Lifestyles 2000.

McGarrigle CA, Mercer CH, Fenton KA, Copas AJ, Wellings K, Erens B, Johnson AM. McGarrigle CA, et al. Among authors: copas aj. AIDS. 2005 Jan 3;19(1):77-84. doi: 10.1097/00002030-200501030-00009. AIDS. 2005. PMID: 15627036

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