TABLE 2.

Characteristics of Participants Enrolled in a Cross-Sectional Study in Kenya, by Enrollment Visit

CROSS-SECTIONAL STUDY (N=2,770)
All Women(N=2,770)≥28 Weeks’ Gestation(n=928)Delivery/Labor(n=129)6 Weeks(n=540)6 Months(n=512)9 Months(n=661)
nNo. (%)nNo. (%)nNo. (%)nNo. (%)nNo. (%)nNo. (%)
Demographic characteristics
Completed secondary education2,7691442 (52)928530 (57)12953 (41)540265 (49)511243 (48)661351 (53)
Completed education (years) median (IQR)2,76612 (8–13)92612 (8–14)12910 (8–12)53912 (8–12)51111 (8–12)66112 (8–13)
Neither parent alive2,768357 (13)926116 (13)12913 (10)54060 (11)51278 (15)66190 (14)
Monthly household income ≥ 10,000 KSH1,767695 (39)596246 (41)8040 (50)357133 (37)34598 (28)389178 (46)
Relationship characteristics and sexual behavior
Married2,7291839 (67)917665 (73)12777 (61)532325 (61)504340 (67)649432 (67)
Currently in a relationship2,7611981 (72)926705 (76)12981 (63)539355 (66)507364 (72)660476 (72)
Relationship duration,a median (IQR), years1,9744 (2–7)7014 (2–7)814 (2–8)3543 (2–7)3624 (2–6)4764 (2–7)
Polygamous marriage1,956141 (7)69643 (6)798 (10)35133 (9)36030 (8)47027 (6)
Frequency of sex (last month), median (IQR)2,4380 (0–2)7940 (0–2)1250 (0)5130 (0)4491 (0–4)5572 (0–5)
Any condomless sex (last month)968862 (89)289262 (91)2120 (95)127107 (84)226202 (89)305271 (89)
Age at sexual debut, median (IQR), years2,48516 (15–18)82116 (15–18)11015 (14–18)48915 (15–18)47716 (15–18)58816 (15–18)
Lifetime number of sexual partners, median (IQR)2,7702 (1–3)9282 (1–3)1292 (1–3)5402 (1–3)5122 (1–3)6612 (1–3)
Partner completed secondary education1,9351366 (71)685500 (73)7849 (63)350240 (69)359251 (70)463326 (70)
Partner age difference, median (IQR), years older1,8575 (3–7)6715 (3–7)705 (4–7)3285 (3–7)3405 (4–8)4485 (3–7)
Partner circumcised1,9181338 (70)684465 (68)7755 (71)345245 (71)351251 (71)461322 (70)
Discussed HIV test with partner prior to testa1,9721274 (65)703448 (64)8054 (66)355234 (66)361241 (67)473297 (63)
Partner HIV statusa1,98170581355364476
 Negative1309 (66)446 (63)51 (63)228 (64)259 (71)325 (68)
 Positive15 (1)7 (1)001 (<1)7 (1)
 Unknown657 (33)252 (36)30 (37)127 (36)104 (29)144 (30)
Partner currently on ARTb1512 (80)74 (57)00 (0)0011 (100)77 (100)
Reproductive history and clinical history
Gravidity, median (IQR)2,7701 (1–2)9281 (1–2)1292 (1–3)5401 (1–2)5121 (1–2)6611 (1–2)
Number of living childrenc, median (IQR)1,3372 (1–3)4621 (1–2)662 (2–3)2462 (2–3)2442 (2–3)3192 (2–3)
Facility deliveryd1,1771096 (93)335303 (90)5856 (97)239225 (94)235216 (91)310296 (95)
Ever diagnosed with STIe2,75931 (1)92612 (1)1281 (1)5394 (1)5129 (2)6545 (1)
Ever heard of PrEP1,346892 (66)477343 (72)4124 (59)251161 (64)182117 (64)395247 (63)
Ever used PrEPf89272 (8)34327 (8)242 (8)16116 (10)1178 (7)24719 (8)
Incident HIV infections2,7709 (<1)9285 (1)00 (0)5403 (1)5121 (<1)00 (0)
  • Abbreviations: IQR, interquartile range; ART, antiretroviral therapy; PrEP, pre-exposure prophylaxis; STI, sexually transmitted infection.

  • a Among women with current partners.

  • b Among women with current partners with HIV.

  • c Among women with previous pregnancies.

  • d Among multiparous women including postpartum women who delivered.

  • e Self-reported history of STI and rapid plasma reagin test.

  • f Among women who heard of PrEP.