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Reported number of sexual partners: comparison of data from four African longitudinal studies.

Todd J, Cremin I, McGrath N, Bwanika JB, Wringe A, Marston M, Kasamba I, Mushati P, Lutalo T, Hosegood V, Zaba B - Sex Transm Infect (2009)

Bottom Line: The male-to-female ratio of mean partnerships in the last year ranged from 1.41 to 1.86.Across the four sites, reports of sexual partnerships followed a similar pattern for each sex.The longitudinal results show that reductions in the number of partnerships were more evident in southern Africa than in Uganda.

View Article: PubMed Central - PubMed

Affiliation: Medical Research Council/Uganda Virus Research Institute, Uganda Research Unit on AIDS, Entebbe, Uganda. jim.todd@mrcuganda.org

ABSTRACT

Objective: To compare reported numbers of sexual partners in Eastern and Southern Africa.

Methods: Sexual partnership data from four longitudinal population-based surveys (1998-2007) in Zimbabwe, Uganda and South Africa were aggregated and overall proportions reporting more than one lifetime sexual partner calculated. A lexis-style table was used to illustrate the average lifetime sexual partners by site, sex, age group and birth cohort. The male-to-female ratio of mean number of partnerships in the last 12 months was calculated by site and survey. For each single year of age, the proportion sexually active in the past year, the mean number of partners in the past year and the proportion with more than one partner in the past year were calculated.

Results: Over 90% of men and women between 25 and 45 years of age reported being sexually active during the past 12 months, with most reporting at least one sexual partner. Overall, men reported higher numbers of lifetime sexual partners and partners in the last year than women. The male-to-female ratio of mean partnerships in the last year ranged from 1.41 to 1.86. In southern African cohorts, individuals in later birth cohorts reported fewer sexual partners and a lower proportion reported multiple partnerships compared with earlier birth cohorts, whereas these behavioural changes were not observed in the Ugandan cohorts. Across the four sites, reports of sexual partnerships followed a similar pattern for each sex.

Conclusions: The longitudinal results show that reductions in the number of partnerships were more evident in southern Africa than in Uganda.

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Related in: MedlinePlus

Proportion of respondents who reported being sexually active in the past 12 months by age and 5-year birth cohort. (A) Masaka men; (B) Masaka women; (C) Manicaland men; (D) Manicaland women; (E) Umkhanyakude men; (F) Umkhanyakude women; (G) Rakai men; (H) Rakai women.
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U9G-85-S1-0072-f01: Proportion of respondents who reported being sexually active in the past 12 months by age and 5-year birth cohort. (A) Masaka men; (B) Masaka women; (C) Manicaland men; (D) Manicaland women; (E) Umkhanyakude men; (F) Umkhanyakude women; (G) Rakai men; (H) Rakai women.

Mentions: By the age of 25, over 90% of men reported being sexually active in the past year in all sites, with this level attained slightly earlier in Umkhanyakude (fig 1). In Umkhanyakude, Manicaland and Rakai, about 90% of men aged ⩾50 years reported sexual activity during the past year, whereas in Masaka this proportion decreased with age with fewer than 75% reporting being sexually active after the age of 50 years. For women in the four sites, 90% reported being sexually active in the past year by the age of 20 years, with this proportion being reached at an earlier age in Rakai. The proportion of women who reported being sexually active in the past year declined in all sites after the age of 40. By the age of 50 years, <50% of women reported being sexually active in Masaka and Rakai. In Manicaland and Umkhanyakude a similar but smaller decline in the proportion who reported being sexually active at older ages was observed.


Reported number of sexual partners: comparison of data from four African longitudinal studies.

Todd J, Cremin I, McGrath N, Bwanika JB, Wringe A, Marston M, Kasamba I, Mushati P, Lutalo T, Hosegood V, Zaba B - Sex Transm Infect (2009)

Proportion of respondents who reported being sexually active in the past 12 months by age and 5-year birth cohort. (A) Masaka men; (B) Masaka women; (C) Manicaland men; (D) Manicaland women; (E) Umkhanyakude men; (F) Umkhanyakude women; (G) Rakai men; (H) Rakai women.
© Copyright Policy - openaccess
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC2654146&req=5

U9G-85-S1-0072-f01: Proportion of respondents who reported being sexually active in the past 12 months by age and 5-year birth cohort. (A) Masaka men; (B) Masaka women; (C) Manicaland men; (D) Manicaland women; (E) Umkhanyakude men; (F) Umkhanyakude women; (G) Rakai men; (H) Rakai women.
Mentions: By the age of 25, over 90% of men reported being sexually active in the past year in all sites, with this level attained slightly earlier in Umkhanyakude (fig 1). In Umkhanyakude, Manicaland and Rakai, about 90% of men aged ⩾50 years reported sexual activity during the past year, whereas in Masaka this proportion decreased with age with fewer than 75% reporting being sexually active after the age of 50 years. For women in the four sites, 90% reported being sexually active in the past year by the age of 20 years, with this proportion being reached at an earlier age in Rakai. The proportion of women who reported being sexually active in the past year declined in all sites after the age of 40. By the age of 50 years, <50% of women reported being sexually active in Masaka and Rakai. In Manicaland and Umkhanyakude a similar but smaller decline in the proportion who reported being sexually active at older ages was observed.

Bottom Line: The male-to-female ratio of mean partnerships in the last year ranged from 1.41 to 1.86.Across the four sites, reports of sexual partnerships followed a similar pattern for each sex.The longitudinal results show that reductions in the number of partnerships were more evident in southern Africa than in Uganda.

View Article: PubMed Central - PubMed

Affiliation: Medical Research Council/Uganda Virus Research Institute, Uganda Research Unit on AIDS, Entebbe, Uganda. jim.todd@mrcuganda.org

ABSTRACT

Objective: To compare reported numbers of sexual partners in Eastern and Southern Africa.

Methods: Sexual partnership data from four longitudinal population-based surveys (1998-2007) in Zimbabwe, Uganda and South Africa were aggregated and overall proportions reporting more than one lifetime sexual partner calculated. A lexis-style table was used to illustrate the average lifetime sexual partners by site, sex, age group and birth cohort. The male-to-female ratio of mean number of partnerships in the last 12 months was calculated by site and survey. For each single year of age, the proportion sexually active in the past year, the mean number of partners in the past year and the proportion with more than one partner in the past year were calculated.

Results: Over 90% of men and women between 25 and 45 years of age reported being sexually active during the past 12 months, with most reporting at least one sexual partner. Overall, men reported higher numbers of lifetime sexual partners and partners in the last year than women. The male-to-female ratio of mean partnerships in the last year ranged from 1.41 to 1.86. In southern African cohorts, individuals in later birth cohorts reported fewer sexual partners and a lower proportion reported multiple partnerships compared with earlier birth cohorts, whereas these behavioural changes were not observed in the Ugandan cohorts. Across the four sites, reports of sexual partnerships followed a similar pattern for each sex.

Conclusions: The longitudinal results show that reductions in the number of partnerships were more evident in southern Africa than in Uganda.

Show MeSH
Related in: MedlinePlus