Characteristics | Respondents in cases (n = 550) | Respondents in controls (n = 520) | p valuea | ||
---|---|---|---|---|---|
n | % | n | % | ||
Gender | |||||
 Male | 272 | 49.5 | 261 | 50.2 | 0.854 |
 Female | 278 | 50.5 | 259 | 49.8 |  |
Age | |||||
 < 15 years | 271 | 50.4 | 239 | 47.0 | 0.293 |
 ≥ 15 years | 267 | 49.6 | 270 | 53.0 |  |
Educational attainment | |||||
 No formal education | 389 | 70.7 | 367 | 70.6 | 1.000 |
 Primary school or higher | 161 | 29.3 | 153 | 29.4 |  |
Occupation | |||||
 Farmer | 290 | 52.7 | 275 | 52.9 | 0.978 |
 Child | 159 | 28.9 | 152 | 29.2 |  |
 Student | 101 | 18.4 | 93 | 17.9 |  |
Frequency of using a bed net | |||||
 Everyday | 455 | 82.7 | 428 | 82.3 | 0.872 |
 Sometimes/never | 95 | 17.3 | 92 | 17.7 |  |
Working in the forest at nighttime in the past year | |||||
 No | 430 | 78.2 | 439 | 84.4 | 0.010 |
 Yes | 120 | 21.8 | 81 | 15.6 |  |
Working in the forest in the early morning in the past year | |||||
 No | 445 | 80.9 | 393 | 75.6 | 0.038 |
 Yes | 105 | 19.1 | 127 | 24.4 |  |
Sleeping overnight in the forest in the past year | |||||
 No | 482 | 87.6 | 478 | 91.9 | 0.026 |
 Yes | 68 | 12.4 | 42 | 8.1 |  |
Malaria episode in past 1Â year | |||||
 No | 474 | 86.2 | 487 | 93.7 | < 0.001 |
 Yes | 76 | 13.8 | 33 | 6.3 |  |
Place for the treatment of the episode | |||||
 Health center | 36 | 47.4 | 30 | 90.9 | < 0.001 |
 Village health volunteer | 37 | 48.7 | 0 | 0.0 |  |
 Other | 3 | 3.9 | 3 | 9.1 |  |