Table 3 Unadjusted associations between participants’ characteristics and alignment of sexual behavior and peak fertility (N = 52 women)

Demographic characteristics

 Living with HIV

9/22

32/86

38/97

1.07

0.88

0.92

40.9%

37.3%

39.2%

(0.42, 2.76)

(0.41, 2.08)

 Age, years

29.3

31.4

30.1

0.97

0.46

1.08

(28.3–31.0)

(29.2–38.5)

(27.8–34.9)

(0.89, 1.05)

(1.01, 1.15)

Couple characteristics and fertility intentions

 Partnership duration, years

2.0

2.0

2.0

0.91

0.73

1.2

(2–2)

(2–3)

(2–3)

(0.55, 1.53)

(0.73, 1.97)

 Number of prior children with study partner

0

0

0

0.65

0.22

1.11

(0–0)

(0–1)

(0–1)

(0.33, 1.29)

(0.70, 1.77)

 Time known to be discordant, years

1.0

1.0

1.0

0.97

0.79

1.05

(0.4–4.0)

(0.75–4.0)

(0.4–4.0)

(0.77, 1.22)

(0.91, 1.22)

 Couple not trying to get pregnant this month

7/22

10/86

44/97

0.56

0.36

0.16

31.8%

11.6%

45.4%

0.16, 1.94

0.08, 0.33

 Ever used birth control

17/22

57/86

57/97

2.39

0.08

1.4

77.3%

66.3%

58.8%

(0.91, 6.26)

(0.56, 3.41)

Peak fertility (± 2 days)

 Demographic characteristics

  Female partner living with HIV

15/44

37/84

28/77

0.91

0.80

1.38

34.1%

44.0%

36.4%

(0.42, 1.94)

(0.48, 3.92)

  Age, years

30.1

30.8

30.1

1.03

0.19

1.05

(29.2–38.2)

(27.8–41.4)

(27.8–36.0)

(0.89, 1.10)

(0.97, 1.13)

 Couple characteristics and fertility intentions

  Partnership duration, years

2.0

2.0

3.0

0.73

0.73

1.24

(1–2)

(2–3)

(2–3)

(0.42, 1.27)

(0.70, 2.18)

  Number of prior children with study partner

0

0

0

0.62

0.04

1.01

(0–0)

(0–1)

(0–1)

(0.40, 0.98)

(0.63, 1.63)

  Time known to be discordant, years

1.0

1.5

1.0

0.87

0.19

1.06

(0.5–1.0)

(0.75–4.0)

(0.33–4.0)

(0.71, 1.07)

(0.90, 1.25)

  Couple not trying to get pregnant this month

14/44

11/84

38/77

0.48

0.06

0.15

31.8%

13.1%

49.4%

(0.21, 1.05)

(0.08, 0.31)

  Ever used birth control

32/44

54/84

44/77

2.0

0.07

1.35

72.7%

64.3%

57.1%

(0.93, 4.28)

(0.45, 4.08)