Table 5 Exposures associated with vaginal S. aureus colonisation of women in labour at three study sites (N = 1472)
Characteristics | N = 1472 (%) | S. aureus colonisation | |
|---|---|---|---|
Unadjusted OR (95% CI) | Adjusted OR (95% CI) | ||
Age (years) | |||
20–24 | 587 (39.9) | 1 | 1 |
≤ 19 | 205 (13.9) | 1.10 (0.60, 2.00) | 0.90 (0.48, 1.69) |
25–29 | 454 (30.8) | 1.12 (0.70, 1.78) | 1.34 (0.81, 2.19) |
≥ 30 | 226 (15.4) | 1.47 (0.86, 2.51) | 2.17 (1.17, 4.00) |
Education level | |||
Tertiary | 130 (8.8) | 1 | 1 |
No education | 33 (2.2) | 0.87 (0.18, 4.22) | 1.04 (0.21, 5.24) |
Primary | 455 (30.9) | 1.33 (0.63, 2.82) | 1.61 (0.73, 3.53) |
Secondary | 854 (58.0) | 1.11 (0.54, 2.28) | 1.27 (0.61, 2.67) |
Gravida | |||
Primigravida | 442 (30.0) | 1 | 1 |
2–4 pregnancies | 910 (61.8) | 0.87 (0.58, 1.32) | 0.67 (0.41 1.10) |
≥ 5 pregnancies | 120 (8.2) | 0.64 (0.28, 1.47) | 0.33 (0.12, 0.88) |
Hospitalisation during pregnancy | |||
No | 1387 (94.2) | 1 | – |
Yes | 710 (94.5) | 1.04 (0.47, 2.3) | – |
Antenatal attendance | |||
One time | 75 (5.1) | 1 | – |
2–4 times | 1259 (85.5) | 0.96 (0.41, 2.27) | – |
5 or more times | 138 (9.4) | 1.30 (0.48, 3.53) | – |
Domestic animals at home | |||
No | 1355 (92.1) | 1 | 1 |
Yes | 117 (8.0) | 0.72 (0.33, 1.58) | 0.78 (0.32, 1.87) |
Wealth index | |||
5th Quintile (Least poor) | 290 (19.7) | 1 | 1 |
1st Quintile (Poorest) | 489 (33.2) | 1.27 (0.74, 2.18) | 1.14 (0.63, 2.09) |
2nd Quintile | 100 (6.8) | 0.96 (0.40, 2.34) | 0.84 (0.33, 2.13) |
3rd Quintile | 298 (20.0) | 1.07 (0.58, 1.98) | 0.99 (0.51, 1.93) |
4th Quintile | 295 (20.0) | 1.03 (0.55, 1.92) | 0.96 (0.50, 1.84) |