Table 7 Multivariate logistic regression analysis
N | N-CC | RE | |||
|---|---|---|---|---|---|
aOR | IC 95% | p-value | |||
Type of the mission | < 0.0001 | ||||
Training | 703 | 140 | 1.00 | ||
Military operation | 1390 | 827 | 6.46 | 3.92 - 10.65 | |
Preferred time for activities | 0.0805 | ||||
Morning type | 531 | 252 | 1.00 | ||
Intermediate type | 1248 | 585 | 0.83 | 0.65 - 1.05 | |
Evening type | 314 | 530 | 0.69 | 0.50 - 0.96 | |
Bedtime during the mission | < 0.0001 | ||||
Before or at midnight | 1607 | 778 | 1.00 | ||
After midnight | 342 | 138 | 0.73 | 0.56 - 0.96 | |
Not Available (Company 1) | 144 | 51 | 0.30 | 0.17 - 0.52 | |
Birth of a child | 0.0421 | ||||
No | 2040 | 941 | 1.00 | ||
Yes | 53 | 26 | 1.99 | 1.02 - 3.88 | |
Perception of the severity of malaria | 0.0171 | ||||
Not severe | 254 | 136 | 1.44 | 1.06 - 1.96 | |
Mildly severe | 1473 | 654 | 1.00 | ||
Very severe | 366 | 177 | 1.31 | 1.00 - 1.71 | |
Systematic use of protective measures: long clothes, repellents, and bed net | 0.0001 | ||||
No one | 653 | 249 | 1.00 | ||
One of them | 671 | 277 | 1.39 | 1.03 - 1.87 | |
Two or three of them | 769 | 441 | 2.12 | 1.49 - 3.01 | |
Medical history of clinical malaria | < 0.0001 | ||||
No | 1870 | 902 | 1.00 | ||
Yes | 180 | 50 | 0.45 | 0.30 - 0.66 | |
Does not know | 43 | 15 | 0.44 | 0.22 - 0.87 | |
Perceived mosquito attractiveness, compared to other soldiers | 0.0029 | ||||
Inferior to the others | 608 | 275 | 0.71 | 0.56 - 0.89 | |
Equivalent to the others | 998 | 490 | 1.00 | ||
Superior to the others | 487 | 202 | 0.71 | 0.55 - 0.91 | |
Random effect (i.e. company effect) | < 0.0001 | ||||