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Table 6 Factors associated with malaria episodes that occurred in Lao PDR among the study participants (n = 308)

From: Malaria among foreign migrant workers in Savannakhet Province, Lao People’s Democratic Republic

Variables   Bivariate analysis Multivariate analysis
Malaria episode (%) Odds ratio 95% CIa Odds ratio 95% CIa
Gender
 Female 5.6 1.00 Reference 1.00 Reference
 Male 11.9 2.23 0.75–6.64 1.53 0.42–5.61
Age (years)
< 29 5.6 1.00 Reference 1.00 Reference
 30–39 9.9 1.82 0.65–5.09 1.32 0.44–3.96
 40–49 13.8 2.74 0.97–7.72 2.01 0.62–6.46
> 50 29.0 6.46 2.19–19.05 4.90 1.54–15.54
Occupation
 Factory worker 7.1 1.00 Reference 1.00 Reference
 Trader/shopkeeper 8.5 1.09 0.23–5.19 2.06 0.50–8.46
 Plantation worker/farmer 17.2 2.54 0.88–7.31 1.29 0.44–3.83
 Construction worker/wood cutter 33.3 5.96 1.08–32.79 4.81 0.88–26.30
 Other 11.5 1.56 0.32–7.54 1.39 0.29–6.60
Use of bed net
 Every day/often 11.1 1.00 Reference 1.00 Reference
 Sometimes/never 9.6 0.74 0.32–1.74 0.76 0.30–1.92
Forest activity in Lao PDR
 No 6.7 1.00 Reference 1.00 Reference
 Yes 26.8 5.53 2.31–13.25 5.24 1.91–14.34
  1. aConfidence interval