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

N: Number of subjects; CC: Subjects with correct compliance; NA: Not Available

aOR: adjusted OR; RE: Random Effect Model

Resseguier et al. Malaria Journal 2010 9:41   doi:10.1186/1475-2875-9-41