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Trends in concurrency, polygyny, and multiple sex partnerships during a decade of declining HIV prevalence in eastern Zimbabwe.

Eaton JW, Takavarasha FR, Schumacher CM, Mugurungi O, Garnett GP, Nyamukapa C, Gregson S - J. Infect. Dis. (2014)

Bottom Line: Polygyny accounted for around 25% of male concurrency.No indicator clearly dominated declines in partnerships.Polygyny was surprisingly unstable and, in this population, should not be considered a safe form of concurrency.

View Article: PubMed Central - PubMed

Affiliation: Department of Infectious Disease Epidemiology, Imperial College London, United Kingdom.

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Related in: MedlinePlus

A, Trends is sex partnership indicators over 5 survey rounds (1998–2011) for men aged 17–54 years (left) and women aged 15–49 years (right). B, Patterns of male polygyny and nonmarital concurrency by five year age group at round 1 (1998–2000; left) and round 5 (2009–2011; right). C, Trend, by birth cohort, in male nonmarital concurrency (left) and polygyny (right), illustrating the levels of each type of sex partnership at the same age for successive cohorts. Abbreviation: CI, point-wise confidence interval.
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JIU415F1: A, Trends is sex partnership indicators over 5 survey rounds (1998–2011) for men aged 17–54 years (left) and women aged 15–49 years (right). B, Patterns of male polygyny and nonmarital concurrency by five year age group at round 1 (1998–2000; left) and round 5 (2009–2011; right). C, Trend, by birth cohort, in male nonmarital concurrency (left) and polygyny (right), illustrating the levels of each type of sex partnership at the same age for successive cohorts. Abbreviation: CI, point-wise confidence interval.

Mentions: At baseline, 34.2% of men (95% CI, 32.8%–35.7%) reported multiple partnerships in the past year, 11.9% (10.9%–12.9%) reported nonmarital concurrency, and 4.6% (4.0%–5.3%) reported polygyny. Among women, 4.6% (4.1%–5.2%) reported multiple partnerships, and 1.8% (1.5%–2.2%) reported concurrency. All of the indicators declined over time, with the relative levels remaining similar (Figure 1A). The most substantial decline occurred between the first 2 rounds, with continuing declines between each round, except for polygyny, which declined substantially between rounds 3 (2.7%; 95% CI, 2.3%–3.2%) and 4 (1.5%; 1.2%–1.9%) but recovered somewhat in round 5 (2.2%; 1.8%–2.7%). At baseline, polygyny accounted for approximately 24% of all concurrency (Supplementary Figure 1). This increased modestly over the survey rounds, to an estimated 35% in in the most recent round (Supplementary Figure 1), excepting the decline in polygyny in round 4.Figure 1.


Trends in concurrency, polygyny, and multiple sex partnerships during a decade of declining HIV prevalence in eastern Zimbabwe.

Eaton JW, Takavarasha FR, Schumacher CM, Mugurungi O, Garnett GP, Nyamukapa C, Gregson S - J. Infect. Dis. (2014)

A, Trends is sex partnership indicators over 5 survey rounds (1998–2011) for men aged 17–54 years (left) and women aged 15–49 years (right). B, Patterns of male polygyny and nonmarital concurrency by five year age group at round 1 (1998–2000; left) and round 5 (2009–2011; right). C, Trend, by birth cohort, in male nonmarital concurrency (left) and polygyny (right), illustrating the levels of each type of sex partnership at the same age for successive cohorts. Abbreviation: CI, point-wise confidence interval.
© Copyright Policy - creative-commons
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4231639&req=5

JIU415F1: A, Trends is sex partnership indicators over 5 survey rounds (1998–2011) for men aged 17–54 years (left) and women aged 15–49 years (right). B, Patterns of male polygyny and nonmarital concurrency by five year age group at round 1 (1998–2000; left) and round 5 (2009–2011; right). C, Trend, by birth cohort, in male nonmarital concurrency (left) and polygyny (right), illustrating the levels of each type of sex partnership at the same age for successive cohorts. Abbreviation: CI, point-wise confidence interval.
Mentions: At baseline, 34.2% of men (95% CI, 32.8%–35.7%) reported multiple partnerships in the past year, 11.9% (10.9%–12.9%) reported nonmarital concurrency, and 4.6% (4.0%–5.3%) reported polygyny. Among women, 4.6% (4.1%–5.2%) reported multiple partnerships, and 1.8% (1.5%–2.2%) reported concurrency. All of the indicators declined over time, with the relative levels remaining similar (Figure 1A). The most substantial decline occurred between the first 2 rounds, with continuing declines between each round, except for polygyny, which declined substantially between rounds 3 (2.7%; 95% CI, 2.3%–3.2%) and 4 (1.5%; 1.2%–1.9%) but recovered somewhat in round 5 (2.2%; 1.8%–2.7%). At baseline, polygyny accounted for approximately 24% of all concurrency (Supplementary Figure 1). This increased modestly over the survey rounds, to an estimated 35% in in the most recent round (Supplementary Figure 1), excepting the decline in polygyny in round 4.Figure 1.

Bottom Line: Polygyny accounted for around 25% of male concurrency.No indicator clearly dominated declines in partnerships.Polygyny was surprisingly unstable and, in this population, should not be considered a safe form of concurrency.

View Article: PubMed Central - PubMed

Affiliation: Department of Infectious Disease Epidemiology, Imperial College London, United Kingdom.

Show MeSH
Related in: MedlinePlus