Table 2

Odds ratios from the random-effects logit models predicting the likelihood of experiencing unintended pregnancy, poor birth outcomes, and post-partum contraceptive use among HIV-positive female adolescents, Kenya
Covariates Unintended pregnancy Poor birth outcomes Post-partum contraceptive use
Pregnancy order (ranges from 1 to 4) 1.2 2.5** 0.8
(0.8 – 2.0) (1.6 – 4.0) (0.5 – 1.1)
Age at first pregnancy (single years) 0.9 1.1 0.9
(0.8 – 1.1) (0.9 – 1.3) (0.8 – 1.1)
Study site (ref=Nyanza)
Coast 0.8 3.1* 0.7
(0.4 – 1.6) (1.1 – 8.8) (0.3 – 1.4)
Nairobi 0.9 3.1* 1.2
(0.5 – 1.5) (1.3 – 7.2) (0.6 – 2.3)
Rift Valley 0.9 0.4 0.5*
(0.5 – 2.1) (0.0 – 3.1) (0.2 – 0.9)
Maternal education level (ref=No schooling)
Primary education 0.7 1.2 1.6
(0.2 – 2.1) (0.3 – 4.7) (0.7 – 4.0)
Secondary and above 0.7 1.4 1.8
(0.2 – 2.4) (0.3 – 6.5) (0.7 – 4.6)
Paternity status (ref=Boyfriend/ fiancé)
Husband 0.1** 0.3* 1.4
(0.1 – 0.2) (0.1 – 0.9) (0.8 – 2.5)
Othera 3.1 0.8 0.6
(0.7 – 13.4) (0.3 – 2.4) (0.3 – 1.3)
Pregnancy was unintended (Yes=1) n/a 1.3 0.9
(0.5 – 3.3) (0.5 – 1.5)
Poor birth outcome (Yes=1) n/a n/a 0.5
(0.2 – 1.2)
Number of cases 496 467 453

aRefers to friend, acquaintance or stranger; Estimates are based on equation (1) in the text; ref: reference category; n/a: not applicable; *p<0.05; **p<0.01.

Obare et al.

Obare et al. BMC Women's Health 2012 12:34   doi:10.1186/1472-6874-12-34

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