Table 2 Results of the binary logistic regression: malaria prevalence in different risk groups (2008–2011)
n | Malaria pos. n(%) | OR* (95% CI) | AOR** (95% CI) | p-value** | ||
|---|---|---|---|---|---|---|
Parity | Nullipara | 442 | 114 (26%) | 1.00 | 1.00 | Ref |
Primipara | 330 | 59 (18%) | 0.63 (0.44–0.89) | 0.79 (0.53–1.17) | 0.231 | |
Multipara | 738 | 66 (9%) | 0.28 (0.20–0.39) | 0.39 (0.24–0.64) | < 0.001 | |
Age in years | 13–17 | 262 | 77 (29%) | 1.00 | 1.00 | Ref |
18–22 | 484 | 83 (17%) | 0.50 (0.35–0.71) | 0.59 (0.40–0.88) | 0.010 | |
23–27 | 339 | 40 (12%) | 0.32 (0.21–0.49) | 0.57 (0.34–0.97) | 0.038 | |
28+ | 425 | 39 (9.2%) | 0.24 (0.16–0.37) | 0.51 (0.29–0.91) | 0.023 | |
Season | Low-risk | 547 | 61 (11%) | 1.00 | 1.00 | Ref |
High-risk | 963 | 178 (19%) | 1.81 (1.32–2.47) | 1.91 (1.39–2.63) | < 0.001 | |
Trimester | 1 | 163 | 36 (22%) | 1.00 | 1.00 | Ref |
2 | 496 | 76 (15%) | 0.64 (0.41–0.99) | 0.68 (0.43–1.08) | 0.105 | |
3 | 57 | 6 (11%) | 0.42 (0.16–1.04) | 0.42 (0.16–1.08) | 0.070 |