Table 2

Correlates of stillbirth among HIV-uninfected mothers

NN (%)UnivariateMultivariate*
Live birth (n=1202)Stillbirth (n=19)OR (95% CI)P valuesaOR (95% CI)P values
Maternal demographics
 Age <20 years1221336 (28%)8 (42%)1.87 (0.75 to 4.70)0.180
 Education≤8 years1221768 (64%)13 (68%)1.22 (0.46 to 3.25)0.684
 Unmarried1221257 (21%)5 (26%)1.31 (0.47 to 3.68)0.604
 Crowded living conditions†1220221 (18%)3 (16%)0.83 (0.24 to 2.88)0.771
 Travel time to clinic >1 hour101012 (1%)4 (2%)1.30 (0.41 to 4.07)0.654
Perinatal characteristics
 Primigravida1221549 (46%)14 (74%)3.33 (1.19 to 9.31)0.0223.39 (1.21 to 13.31)0.021
 Birth interval <2 years‡816154 (19%)3 (33%)2.12 (0.52 to 8.57)0.292
 Preterm birth1171279 (24%)7 (44%)2.44 (0.90 to 6.62)0.0792.41 (0.84 to 6.92)0.103
 Malaria diagnosis during pregnancy§122190 (7%)2 (11%)1.45 (0.33 to 6.39)0.621
Genital infections at enrolment
 Any genital infection¶1089592 (55%)12 (71%)1.95 (0.68 to 5.56)0.214
Chlamydia trachomatis 121863 (5%)2 (11%)2.26 (0.51 to 10.03)0.285
Neisseria gonorrhoeae 121828 (2%)1 (6%)2.46 (0.32 to 19.15)0.389
Trichomonas vaginalis 122078 (6%)1 (6%)0.85 (0.11 to 6.46)0.873
 Syphilis96210 (1%)0 (0%)
 Bacterial vaginosis1213266 (22%)5 (28%)1.34 (0.47 to 3.80)0.578
 Vaginal yeast1220297 (25%)5 (28%)1.17 (0.41 to 3.32)0.765
 Genital ulcers121915 (1%)2 (11%)9.88 (2.09 to 46.83)0.0049.19 (1.91 to 44.35)0.006
  • *Logistic regression p value adjusted for maternal age, maternal education and study site.

  • †Defined as ≥3 people per room.

  • ‡Among women who had previous pregnancies.

  • §Malaria diagnosis at any time during pregnancy.

  • ¶Genital infections include C. trachomatis, N. gonorrhoeae, T. vaginalis, syphilis, bacterial vaginosis, vaginal yeast and genital ulcers.

  • aOR, adjusted odds ratio.