Table 2. Single predictor analysis of determinants and experiences of repeat pregnancy among HIV-infected women in the Kisumu breastfeeding study, Kenya, 2003–2009.
| Variable name a | Repeat Pregnancy m/r b (%) | Risk Difference | 95% CI | P-value |
|---|---|---|---|---|
| Age category, years (n = 500) | ||||
| 15–19 | 18/69 (26.1) | Referent | Referent | Referent |
| 20–24 | 46/213 (21.6) | -0.04 | -0.16, 0.07 | 0.45 |
| 25–29 | 20/137 (14.6) | -0.11 | -0.23, 0.00 | 0.06 |
| 30–43 | 4/81 (4.9) | -0.21 | -0.33, -0.10 | 0.0003* |
| Highest level of education attended (n = 500) | ||||
| None | 3/13 (23.1) | 0.02 | -0.21, 0.26 | 0.85 |
| Primary | 63/302 (20.9) | Referent | Referent | Referent |
| Secondary | 21/166 (12.7) | -0.08 | -0.15, -0.01 | 0.02* |
| College/university | 1/19 (5.3) | -0.16 | -0.27, -0.05 | 0.01* |
| Marital status (n = 500) | ||||
| Married | 71/374 (19.0) | Referent | Referent | Referent |
| Single | 10/64 (15.6) | -0.03 | -0.13, 0.06 | 0.50 |
| Divorced/Separated/widowed | 7/62 (11.3) | -0.08 | -0.17, 0.01 | 0.09 |
| Work/job outside home (n = 500) | ||||
| Yes | 22/170 (13.0) | -0.07 | -0.14, -0.00 | 0.0496* |
| No | 66/330 (20.0) | Referent | Referent | Referent |
| Average monthly family income, in Ksh. c (n = 498) | ||||
| <2000 | 13/64 (20.3) | Referent | Referent | Referent |
| 2,000–4,999 | 17/101 (16.8) | -0.03 | -0.16, 0.09 | 0.58 |
| 5,000–9,999 | 11/60 (18.3) | -0.02 | -0.16, 0.12 | 0.78 |
| ≥10,000 | 4/37 (10.8) | -0.10 | -0.24, 0.05 | 0.18 |
| Don’t know | 43/236 (18.2) | -0.02 | -0.13, 0.09 | 0.71 |
| Talked to partner about FP use (n = 494) | ||||
| Yes | 34/251 (13.5) | -0.08 | -0.15, -0.02 | 0.02* |
| No | 53/243 (21.8) | Referent | Referent | Referent |
| Perception of partner’s feeling about FP use (n = 497) | ||||
| Approve | 38/250 (15.2) | -0.09 | -0.18, 0.00 | 0.06 |
| Disapprove | 28/117 (23.9) | Referent | Referent | Referent |
| Don’t know | 21/130 (16.2) | -0.08 | -0.18, 0.02 | 0.13 |
| Intended to use FP at enrollment (n = 470) | ||||
| Yes | 76/428 (17.8) | 0.01 | -0.11, 0.13 | 0.86 |
| No | 7/42 (16.7) | Referent | Referent | Referent |
| Prior use of FP (n = 466) | ||||
| Yes | 23/224 (10.3) | -0.13 | -0.20, -0.07 | 0.0001* |
| No | 57/242 (23.6) | Referent | Referent | Referent |
| Number of pregnancies prior to enrollment (n = 498) | ||||
| None | 27/120 (22.5) | Referent | Referent | Referent |
| At least 1 | 60/378 (15.9) | 0.07 | -0.15, 0.02 | 0.10 |
| Husband lives in the compound (n = 497) | ||||
| Yes | 70/349 (20.1) | 0.08 | 0.01, 0.15 | 0.04* |
| No | 18/148 (12.2) | Referent | Referent | Referent |
| Co-residence with co-wives (n = 498) | ||||
| Yes | 6/25 (24.0) | 0.07 | -0.10, 0.24 | 0.15 |
| No | 82/473 (17.3) | Referent | Referent | Referent |
| Any relative living in the compound (n = 494) | ||||
| Yes | 79/435 (18.1) | 0.05 | -0.05, 0.14 | 0.38 |
| No | 8/59 (13.6) | Referent | Referent | referent |
| Ethnic group (n = 500) | ||||
| Luo | 75/427 (17.6) | -0.002 | -0.10, 0.09 | 0.96 |
| Other | 13/73 (17.8) | Referent | Referent | Referent |
aSample sizes fluctuate for some variables owing to missing data.
bm = number of repeat pregnancies for each row category; r = total number in each row category.
cThe exchange rate was approximately 85 Kenya Shillings (Ksh.) per 1 US dollar (rate varies over study period).
*P-value ≤ 0.05