Flowchart to derive analytic sample.

<p>¹ n = 38 relocating and n = 1 refused follow-up ² Follow up period was cut short for administrative reasons (funding halted) so 26 of the 65 women contributed no follow up time.</p

Multivariable model of the association of past pregnancy attempts, gender roles beliefs, STI symptoms and age with pregnancy incidence (n = 409; 54 pregnancies)¹.

<p>Footnotes: ¹Number of observations reduced to 409 and number of pregnancies 54 due to missing data on the trying to become pregnant variable. ²This was the female participant's perception. n = 29 unknown, not applicable and missing data. ³Test for linear trend; relationship belief coded as progressive view = 1, neutral = 2, conservative view = 3. * From likelihood ratio test. ** All variables have been adjusted for each other.</p

Cohort description, pregnancy rate and associations with pregnancy incidence in HIV negative women (n = 438; 57 pregnancies).

<p>Footnotes: *Assuming a linear dose response where gender roles beliefs coded as progressive view = 1 neutral = 2, conservative view = 3 ¹n = 1 participant who spoke isiXhosa was removed from the analysis; ²This was the female participant's perception. n = 29 unknown, not applicable and missing data; ³n = 87 unknown, not applicable and missing data; ⁴n = 80 unknown, not applicable and missing data; ⁵n = 104 unknown, not applicable and missing data; ⁶n = 17 unknown, not applicable and missing data; ⁷n = 307 unknown, not applicable and missing data.</p