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Table 3 Reasons for visiting the forest and odds ratio for being a case from multiple logistic regression

From: Risk factors for malaria in high incidence areas of Viet Nam: a case–control study

Variable Total Cases Controls OR p
Exploitation* 485 − 46.20% 303 − 44.90% 182 − 48.50% 1.567 (0.7664–3.190) 0.2131
Farming 193 − 18.40% 128 − 19.00% 65 − 17.30% 1.853 (0.8741–3.920) 0.1046
Patrol 133 − 12.70% 91 − 13.50% 42 − 11.20% 2.039 (0.9355–4.444) 0.0713
Fishing 86 − 8.20% 58 − 8.60% 28 − 7.50% 1.95 (0.8581–4.446) 0.1098
Foraging** 67 − 6.40% 42 − 6.20% 25 − 6.70% 1.581 (0.6789–3.697) 0.2869
Business 19 − 1.80% 12 − 1.80% 7 − 1.90% 1.613 (0.5151–5.311) 0.4171
Hunting 17 − 1.60% 12 − 1.80% 5 − 1.30% 2.259 (0.6729–8.445) 0.2002
Other 42 − 4.00% 23 − 3.40% 19 − 5.10% 1.882 (0.4903–8.203) 0.3693
Unknown 8 − 0.80% 6 − 0.90% 2 − 0.50% 3.765 (0.4910–77.89) 0.2576
Total 1050   675   375    
  1. *Of timber, minerals or animals
  2. **Picking wild vegetables, bamboo shoots, wild fruit or mushrooms