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Table 3 Population attributable fractions of direct risk factors for secondary infertility

From: The risk factor profile of women with secondary infertility: an unmatched case-control study in Kigali, Rwanda

predictor

Pe

AOR3

PAF%4

Obstetric events1

0.38

3.03

25

STIs 2

0.74

1.57

27

Endogenous infections (BV)

0.28

1.95

14

HIV

0.42

3.58

30

  1. 1includes postpartum infection, caesarean section, unsafe abortion and/or curettage
  2. 2includes positive HSV-2, Chlamydia and/or syphilis serology
  3. 3 logistic regression model included all listed (composite) variables
  4. 4 PAF is calculated using the following formula: PAF = pe(AOR-1)/AOR, with pe the proportion of cases exposed and AOR is derived from a logistic regression model containing all the listed biological factors and age.
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BMC Women's Health

ISSN: 1472-6874

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