Table 3

Risk factor analysis for malaria infection: uni- and multivariate adjusted analysis using survey logistic regression (n = 429)

Risk factors
Parasite prevalence
Cases
Unadjusted
Adjusted



(%)
n
N
OR (95%CI)


Total
14.2
429
3,023


Gender:





- Male
16.0
225
1,409
1.00
1.00
- Female
12.6
204
1,614
0.76 (0.59–0.99)
0.75° (0.57–0.98)
Age (y):





- < 16
17.9
121
677
1.00
1.00
- 16–45
13.7
270
1,976
0.73° (0.59–0.90)
0.65° (0.52–0.81)
- > 45
10.3
38
370
0.53° (0.36–0.76)
0.47° (0.31–0.73)
Ethnic group:





- Ra-glai
15.1
409
2,708
1.00
1.00
- Others
6.3
20
315
0.39 (0.14–1.10)
0.47 (0.16–1.35)
Education:





- No
16.4
165
1,007
1.00
1.00
- Primary
14.2
250
1,760
0.84 (0.55–1.31)
0.85 (0.55–1.33)
- Secondary or more
5.5
14
255
0.30° (0.20–0.44)
0.42° (0.27–0.64)
Wealth:





- Low
17.1
305
1,783
1.00
1.00
- Medium
13.6
40
295
0.76 (0.30–1.92)
0.87 (0.36–2.10)
- High
8.9
84
945
0.43° (0.32–0.71)
0.51° (0.35–0.75)
Forest activities last month:





- No work & no sleep in forest
12.5
50
401
1.00
1.00
- Work +/- sleep occasionally
14.1
358
2544
1.15 (0.67–1.96)
1.19 (0.73–1.92)
- Work & sleep regularly
26.9
21
78
2.59° (1.29–5.19)
2.70° (1.40–5.21)
Bed net use:





- No
28.5
39
137
1.00
1.00
- Untreated bed net
23.3
49
210
0.76 (0.42–1.38)
0.82 (0.44–1.53)
- Insecticide-treated bed net
12.7
341
2,674
0.37° (0.17–0.78)
0.46° (0.23–0.90)

°p < 0.05

Thang et al. Malaria Journal 2008 7:28   doi:10.1186/1475-2875-7-28