| Any repellent | Vaporizer | Coils | |||
---|---|---|---|---|---|---|
 | Risk ratio (95 % CI) | P | Risk ratio (95 % CI) | P | Risk ratio (95 % CI) | P |
Chennai Census | ||||||
 Female < 5 years in HH | 1.05 (0.93–1.18) | 0.455 | 1.12 (0.96–1.30) | 0.138 | ns |  |
 Male < 5 years in HH | 1.17 (1.05–1.29) | 0.003 | 1.22 (1.06–1.40) | 0.006 | ns |  |
 At least one person with secondary education in HH | 1.26 (1.12–1.41) | < 0.001 | 1.38 (1.18–1.60) | < 0.001 | ns |  |
 Male head of HH | ns |  | 1.27 (1.02–1.58) | 0.035 | 0.63 (0.48–0.82) | 0.001 |
 Socio-economic status | ||||||
  High | 1.37 (1.18–1.59) | < 0.001 | 2.22 (1.75–2.81) | < 0.001 | 0.28 (0.17–0.47) | < 0.001 |
  2 | 1.32 (1.14–1.53) | < 0.001 | 2.17 (1.70–2.73) | < 0.001 | 0.52 (0.36–0.74) | < 0.001 |
  3 | 1.06 (0.90–1.24) | 0.487 | 1.46 (1.13–1.89) | 0.004 | 0.54 (0.39–0.76) | < 0.001 |
  4 | 1.13 (0.97–1.32) | 0.110 | 1.55 (1.20–2.00) | 0.001 | 0.73 (0.54–0.98) | 0.037 |
  Low | Reference |  |  |  | Reference |  |
 Rainy season | 1.33 (1.21–1.46) | < 0.001 | 1.14 (1.01–1.30) | 0.038 | 2.13 (1.68–2.70) | < 0.001 |
Nadiad Census | ||||||
 Female < 5 years in HH | 1.12 (1.05–1.19) | < 0.001 | 0.95 (0.82–1.10) | 0.486 | 1.24 (1.09–1.41) | 0.001 |
 Male < 5 years in HH | 1.09 (1.03–1.15) | 0.005 | 1.14 (1.00–1.30) | 0.045 | 1.18 (1.04–1.34) | 0.010 |
 Person with secondary education in HH | ns |  | 1.48 (1.29–1.70) | < 0.001 | 0.81 (0.71–0.92) | 0.001 |
 Socio-economic status | ||||||
  High | 1.93 (1.72–2.17) | < 0.001 | 16.63 (9.17–30.14) | < 0.001 | 0.88 (0.71–1.08) | 0.223 |
  2 | 1.93 (1.72–2.17) | < 0.001 | 15.25 (8.41–27.62) | < 0.001 | 1.04 (0.86–1.26) | 0.679 |
  3 | 1.82 (1.62–2.05) | < 0.001 | 12.18 (6.71–22.12) | < 0.001 | 1.19 (1.01–1.40) | 0.041 |
  4 | 1.43 (1.26–1.63) | < 0.001 | 5.37 (2.90–9.98) | < 0.001 | 1.26 (1.08–1.47) | 0.004 |
  Low | Reference |  | Reference |  | Reference |  |
 Rainy season | 0.46 (0.34–0.61) | < 0.001 | 0.36 (0.18–0.70) | 0.003 | 0.44 (0.37–0.48) | < 0.001 |
Raurkela Census | ||||||
 Male head of household | 0.87 (0.78–0.97) | 0.013 | 0.69 (0.50–0.95) | 0.022 | 0.88 (0.79–0.99) | 0.037 |
 Socio-economic status | ||||||
  High | 1.89 (1.59–2.24) | < 0.001 | 0.02 (0.00–0.12) | < 0.001 | 47.96 (12.12–189.71) | < 0.001 |
  2 | 1.67 (1.41–1.97) | < 0.001 | 0.10 (0.05–0.22) | < 0.001 | 45.21 (11.41–179.21) | < 0.001 |
  3 | 0.65 (0.52–0.81) | < 0.001 | 0.41 (0.31–0.55) | < 0.001 | 11.36 (2.75–46.95) | 0.001 |
  4 | 0.74 (0.62–0.88) | 0.001 | 0.69 (0.57–0.83) | < 0.001 | 2.24 (0.47–10.57) | 0.309 |
  Low | Reference |  | Reference |  | Reference |  |
 Member(s) with a history of malaria last year | 0.63 (0.53–0.75) | < 0.001 | ns |  | 0.68 (0.52–0.90) | 0.007 |
 Rainy season | ns |  | ns |  | 0.54 (0.35–0.83) | 0.005 |
 ITN use | 1.66 (1.45–1.90) | < 0.001 | 4.20, 3.15–5.59 | <0.001 | 0.71 (0.55–0.92) | 0.010 |