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Table 5 Risk factors after multivariate mixed-effects logistic regression for Plasmodium infection as detected by PCR

From: Forest malaria in Cambodia: the occupational and spatial clustering of Plasmodium vivax and Plasmodium falciparum infection risk in a cross-sectional survey in Mondulkiri province, Cambodia

Covariate N aOR 95% CI p
Gender
 Female 2231 Reference  < 0.001
 Male 1969 3.06 [2.26–4.13]
Age [years]
 2–10 1054 Reference  < 0.001
 11–15 527 4.51 [2.52–8.06]
 16–20 424 7.47 [4.14–13.47]
 21–25 335 7.84 [4.20–14.63]
 26–30 347 8.08 [4.36–14.94]
 31–35 309 7.71 [4.05–14.70]
 36–40 289 7.15 [3.76–13.58]
 41–45 244 5.33 [2.67–10.65]
 46–50 197 4.16 [1.92–8.99]
 51–80 474 2.68 [1.36–5.29]
Forest proximity of village
 Outside forest 3060 Reference  < 0.001
 Forest fringe 625 2.14 [1.02–4.52]
 Inside forest 515 12.47 [6.29–24.71]
Material of roof
 Grass/leaves 81 0.96 [0.26–3.55]  < 0.01
 Tent 79 3.43 [1.36–8.64]
 Corrugated iron 3301 Reference
 Wood planks/cement/tiles 739 0.50 [0.30–0.84]
Household owns a toilet
 No 2383 Reference  < 0.05
 Yes 1816 0.69 [0.48–1.00]
Household owns buffaloes
 No 3977 Reference  < 0.01
 Yes 222 2.11 [1.21–3.69]
Household head had received information on malaria via TV in the past 3 months
 No 3784 Reference  < 0.01
 Yes 415 0.37 [0.16–0.81]
Insecticides had been sprayed inside the house in the past year
 No 2935 Reference  < 0.01
 Yes 1264 0.62 [0.43–0.89]
Slept outdoors last night
 No 4124 Reference 0.08
 Yes 76 1.99 [0.93–4.25]
Slept under net last night
 No 320 Reference 0.96
 Yes 3880 0.99 [0.61–1.59]
Work-unrelated travels overnight in the last month to…
 None 3465 Reference  < 0.01
 Field sites 90 0.63 [0.25–1.59]
 Forest sites 268 2.17 [1.41–3.35]
 A village 177 1.28 [0.75–2.17]
 A city 59 0.27 [0.03–2.13]
 Unspecified 123 1.23 [0.56–2.74]
Work in the last two months in…
 …deep forest
  No 4055 Reference  < 0.001
  Yes 145 2.88 [1.69–4.93]
 …cassava field
  No 2115 Reference  < 0.05
  Yes 2085 1.37 [1.01–1.85]