Role of widows in the heterosexual transmission of HIV in Manicaland, Zimbabwe, 1998-2003.

Abstract:

BACKGROUND:AIDS is the main driver of young widowhood in southern Africa. METHODS:The demographic characteristics of widows, their reported risk behaviours and the prevalence of HIV were examined by analysing a longitudinal population-based cohort of men and women aged 15-54 years in Manicaland, eastern Zimbabwe. The results from statistical analyses were used to construct a mathematical simulation model with the aim of estimating the contribution of widow behaviour to heterosexual HIV transmission. RESULTS:413 (11.4%) sexually experienced women and 31 (1.2%) sexually experienced men were reported to be widowed at the time of follow-up. The prevalence of HIV was exceptionally high among both widows (61%) and widowers (male widows) (54%). Widows were more likely to have high rates of partner change and engage in a pattern of transactional sex than married women. Widowers took partners who were a median of 10 years younger than themselves. Mathematical model simulations of different scenarios of sexual behaviour of widows suggested that the sexual activity of widow(er)s may underlie 8-17% of new HIV infections over a 20-year period. CONCLUSIONS:This combined statistical analysis and model simulation suggest that widowhood plays an important role in the transmission of HIV in this rural Zimbabwean population. High-risk partnerships may be formed when widowed men and women reconnect to the sexual network.

journal_name

Sex Transm Infect

authors

Lopman BA,Nyamukapa C,Hallett TB,Mushati P,Spark-du Preez N,Kurwa F,Wambe M,Gregson S

doi

10.1136/sti.2008.033043

subject

Has Abstract

pub_date

2009-04-01 00:00:00

pages

i41-8

eissn

1368-4973

issn

1472-3263

pii

85/Suppl_1/i41

journal_volume

85 Suppl 1

pub_type

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