From: Effectiveness of malaria control interventions in Madagascar: a nationwide case–control survey
Variable | Category | N cases (%) | N controls (%) | Bivariate | Multivariate | ||
---|---|---|---|---|---|---|---|
Crude OR [95 %CI] | p | Adjusted OR [95 %CI] | p | ||||
Every night bed net use | LLIN | 326 (39.5) | 3959 (55.0) | 0.47 [0.27–0.80] | 0.005 | 0.49 [0.29–0.84] | 0.009 |
NIBN | 84 (10.2) | 857 (11.9) | 0.62 [0.40–0.95] | 0.029 | 0.63 [0.42–0.94] | 0.023 | |
None | 416 (50.4) | 2376 (33.0) | 1.00 | 1.00 | |||
Age group | 0–1 year | 56 (6.8) | 302 (4.2) | 3.42 [1.53–7.64] | 0.003 | 3.29 [1.45–7.48] | 0.004 |
2–4 years | 113 (13.7) | 771 (10.7) | 2.93 [1.66–5.17] | <0.001 | 2.72 [1.51–4.90] | <0.001 | |
5–9 years | 175 (21.2) | 1228 (17.1) | 2.70 [1.79–4.06] | <0.001 | 2.44 [1.63–3.65] | <0.001 | |
10–15 years | 169 (20.5) | 1051 (14.6) | 2.97 [2.12–4.14] | <0.001 | 2.57 [1.85–3.58] | <0.001 | |
15–19 years | 122 (14.8) | 762 (10.6) | 3.01 [1.93–4.69] | <0.001 | 2.49 [1.66–3.75] | <0.001 | |
20–39 years | 137 (16.6) | 1784 (24.8) | 1.67 [0.98–2.87] | 0.061 | 1.57 [0.93–2.65] | 0.088 | |
≥40 years | 54 (6.5) | 1294 (18.0) | 1.00 | 1.00 | |||
Sex | Male | 447 (54.1) | 3114 (43.3) | 1.00 | 1.00 | ||
Female | 379 (45.9) | 4078 (56.7) | 0.64 [0.53–0.78] | <0.001 | 0.74 [0.62–0.87] | <0.001 | |
Transmission pattern | East | 252 (30.5) | 2194 (30.5) | 1.10 [0.16–7.55] | 0.923 | 1.90 [0.24–15.13] | 0.542 |
Fringe | 58 (7.0) | 670 (9.3) | 1.00 | 1.00 | |||
West | 516 (62.5) | 4328 (60.2) | 1.41 [0.27–7.44] | 0.686 | 1.46 [0.22–9.60] | 0.696 |