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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