assessing the validity of sexual behaviour reports in a whole population survey in rural malawi性行为的有效性评估报告在马拉维农村人口调查.pdf

Assessing the Validity of Sexual Behaviour Reports in a Whole Population Survey in Rural Malawi 1 2 2 1 1 Judith R. Glynn *, Ndoliwe Kayuni , Emmanuel Banda , Fiona Parrott , Sian Floyd , Monica Francis- 1 2 3 1 1 Chizororo , Misheck Nkhata , Clare Tanton , Joanne Hemmings , Anna Molesworth , Amelia C. Crampin1, Neil French1 1 Faculty of Epidemiology and Population Health, London School of Hygiene Tropical Medicine, London, United Kingdom, 2 Karonga Prevention Study, Chilumba, Malawi, 3 Centre for Sexual Health and HIV Research, Research Department of Infection and Population Health, University College London (UCL), London, United Kingdom Abstract Background: Sexual behaviour surveys are widely used, but under-reporting of particular risk behaviours is common, especially by women. Surveys in whole populations provide an unusual opportunity to understand the extent and nature of such under-reporting. Methods: All consenting individuals aged between 15 and 59 within a demographic surveillance site in northern Malawi were interviewed about their sexual behaviour. Validity of responses was assessed by analysis of probing questions; by comparison of results with in-depth interviews and with Herpes simplex type-2 (HSV-2) seropositivity; by comparing reports to same sex and opposite sex interviewers; and by quantifying the partnerships within the local community reported by men and by women, adjusted for response rates. Results: 6,796 women and 5,253 men (83% and 72% of those eligible) consented and took part in sexual behaviour interviews. Probing questions and HSV-2 antibody tests in tho