Table 1.
Demographic and behavioural characteristics of persons screened, Kisumu Incidence Cohort Study, Kenya, 2007–2010.a
| Characteristic | Total n/N (%) 1106 (100) |
Women n/N (%) 572 (51.7) |
Men n/N (%) 534 (48.3) |
|---|---|---|---|
| Age group (years) | |||
| 16–17 | 260/1106 (23.5) | 148/572 (25.9) | 112/534 (21.0) |
| 18–24 | 635/1106 (57.4) | 322/572 (56.3) | 313/534 (58.6) |
| 25–29 | 149/1106 (13.5) | 73/572 (12.8) | 76/534 (14.2) |
| 30–34 | 62/1106 (5.6) | 29/572 (5.1) | 33/534 (6.2) |
| Marital Status | |||
| Single/never married | 747/1099 (68.0) | 348/569 (61.2) | 399/530 (75.3) |
| Married/living as married | 305/1099 (27.8) | 182/569 (32.0) | 123/530 (23.2) |
| Separated/divorced/widowed | 47/1099 (4.3) | 39/569 (6.9) | 8/530 (1.5) |
| Ethnic group or tribe | |||
| Luo | 964/1105 (87.2) | 489/571 (85.6) | 475/534 (89.0) |
| Luhya | 83/1105 (7.5) | 48/571 (8.4) | 35/534 (6.6) |
| Kisii | 33/1105 (3.0) | 16/571 (2.8) | 17/534 (3.2) |
| Kikuyu/Maasai/Other | 25/1105 (2.3) | 18/571 (3.2) | 7/534 (1.3) |
| Religion | |||
| Roman Catholic | 488/1103 (44.2) | 278/570 (48.8) | 210/533 (39.4) |
| Protestant or other Christian | 404/1103 (36.6) | 183/570 (32.1) | 221/533 (41.5) |
| Muslim/Nomiya/Other | 174/1103 (15.8) | 87/570 (15.3) | 87/533 (16.3) |
| No religion | 37/1103 (3.4) | 22/570 (3.9) | 15/533 (2.8) |
| Highest education level | |||
| Never attended school | 46/1099 (4.2) | 24/570 (4.2) | 22/529 (4.2) |
| Primary school | 386/1099 (35.1) | 227/570 (39.8) | 159/529 (30.1) |
| Secondary school | 381/1099 (34.7) | 187/570 (32.8) | 194/529 (36.7) |
| Post-secondary schoolb | 286/1099 (26.0) | 132/570 (23.2) | 154/529 (29.1) |
| Currently working | |||
| Yes | 434/1100 (39.5) | 202/569 (35.5) | 232/531 (43.7) |
| No | 666/1100 (60.6) | 367/569 (64.5) | 299/531 (56.3) |
| Lifetime number of sexual partnersc | |||
| 1–2 partner | 188/1052 (17.9) | 142/539 (26.4) | 46/513 (9.0) |
| 3–4 partners | 377/1052 (35.8) | 228/539 (42.3) | 149/513 (29.0) |
| ≥5 partners | 487/1052 (46.3) | 169/539 (31.4) | 318/513 (62.0) |
| Number of sexual partners in the last three monthsd | |||
| 0 partners | 70/1078 | 35/552 (6.3) | 35/526 (6.7) |
| 1 partner | 404/1078 (37.5) | 289/552 (52.4) | 115/526 (21.9) |
| 2–3 partners | 368/1078 (34.1) | 156/552 (28.3) | 212/526 (40.3) |
| ≥4 partners | 236/1078 (21.9) | 72/552 (13.0) | 164/526 (3.12) |
| Any unprotected vaginal or anal sex in the last three months | |||
| Yes | 789/946 (83.4) | 387/476 (81.3) | 402/470 (85.5) |
| No | 157/946 (16.6) | 89/476 (18.7) | 68/470 (14.5) |
| Circumcision as confirmed by physical examination (men only) | |||
| Uncircumcised | – | 327/527 (62.1) | |
| Circumcised | – | 200/527 (38.0) | |
| Pregnant as confirmed by lab test (women only) | |||
| Pregnant | – | 28/569 (5.0) | – |
| Not pregnant | – | 541/569 (95.1) | – |
| Used any method to avoid or delay pregnancy in the last three months | |||
| Yes | 455/1065 (42.7) | 258/567 (45.5) | 197/498 (39.6) |
| No | 610/1065 (57.3) | 309/567 (54.5) | 301/498 (60.4) |
| Self/partner used birth control pills to delay or avoid pregnancy in the last three monthse | |||
| Yes | 210/438 (48.0) | 143/256 (55.9) | 67/182 (36.8) |
| No | 228/438 (52.1) | 113/256 (44.1) | 115/182 (63.2) |
| Self/partner used contraceptive injections to delay or avoid pregnancy in the last three monthse | |||
| Yes | 165/425 (38.8) | 137/255 (53.7) | 28/170 (16.5) |
| No | 260/425 (61.2) | 118/255 (46.3) | 142/170 (83.5) |
Sample sizes fluctuate for some variables due to missing data. Some percentages do not sum to 100 due to rounding.
Post-secondary education includes technical/vocational training or study at a college or university.
Person with whom the participant had vaginal or anal sex; 54 participants refused to report number of lifetime sexual partners in the ACASI.
Person with whom the participant had vaginal or anal sex; 28 participants refused to report number of sexual partners in the past three months in the ACASI.
Asked of participants who reported using a method to avoid or delay pregnancy in the past three months in the ACASI; participant could select more than one method.