Table 2 Associations between demographic and clinical exposures and malaria, among 1150 case–control study participants in eastern Afghanistan
Variables | Cases, n (%) | Controls, n (%) | OR (95 % CI) | AOR (95 % CI) |
|---|---|---|---|---|
(N = 141) | (N = 1010) | |||
Age group | ||||
15–20 | 32 (22.7) | 286 (28.3) | Ref. | Ref. |
21–30 | 62 (44.0) | 437 (43.3) | 1.27 (0.81–1.99) | 1.36 (0.74–2.49) |
31–49 | 47 (33.3) | 287 (28.4) | 1.46 (0.91–2.36) | 1.49 (0.75–2.97) |
Pregnant | 31 (22.0) | 255 (25.3) | 0.83 (0.55–1.27) | 0.89 (0.56–1.42) |
Parity | ||||
Nulliparous (no births) | 36 (25.5) | 256 (25.4) | Ref. | Ref. |
Parous (1–5 births) | 55 (39.0) | 389 (38.5) | 1.01 (0.64–1.57) | 0.84 (0.47–1.52) |
Grand-multiparous (6+ births) | 50 (35.5) | 365 (36.1) | 0.97 (0.62–1.54) | 0.68 (0.35–1.31) |
Anaemic | 33 (23.4) | 230 (22.8) | 1.04 (0.68–1.57) | 1.00 (0.65–1.54) |
ITN usage | 45 (32.0) | 431 (42.7) | 0.63 (0.43–0.92)* | 0.60 (0.40–0.91)* |