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Table 3 Univariable and multivariable analysis of O. viverrini and other IPs infections on simple logistic regression and GEE

From: Current high prevalences of Strongyloides stercoralis and Opisthorchis viverrini infections in rural communities in northeast Thailand and associated risk factors

Characteristics

SRa

BNa

Total

Crude OR

Adjusted OR

Total No.

Positive No. (%)

Total No.

Positive No. (%)

(95%CI)

Positive No. (%)

(95%CI)

(95%CI)

Gender (N)

204

45 (22.1)

183

34 (18.6)

387

79 (20.4)

  

 Female

114

13 (6.4)

98

17 (9.3)

212

30 (7.7)

1

1

 Male

90

32 (15.7)

85

17 (9.3)

175

49 (12.7)

2.4 (1.4 to 3.9)#

4.1 (2.3 to 7.2)#

Age (N)

204

45 (22.1)

183

34 (18.6)

387

79 (20.4)

  

  < 30

12

2 (1.0)

5

0 (0)

17

2 (0.5)

1

1

 30–39

8

2 (1.0)

6

1 (0.5)

14

3 (0.8)

2.0 (0.3 to 14.4)

1 (N/A)

 30–49

34

6 (2.9)

39

6 (3.3)

73

12 (3.1)

1.5 (0.3 to 7.3)

5.8 (0.6 to 60.0)

 50–59

51

9 (4.4)

43

8 (4.4)

94

17 (4.4)

1.6 (0.3 to 7.9)

7.6 (0.7 to 77.3)

  ≥ 60

99

26 (12.8)

90

19 (10.4)

189

45 (11.6)

2.3 (0.5 to 10.6)

4.5 (0.4 to 45.0)

Education level (N)

204

45 (22.1)

183

34 (18.6)

387

79 (20.4)

  

 Diploma, bachelor degree or higher

10

1 (0.5)

7

1 (0.5)

17

2 (0.5)

1

1 (empty)

 Grade 7–12 or diploma

46

7 (3.4)

39

2 (1.1)

85

9 (2.3)

0.9 (0.2 to 4.5)+

0.8 (0.4 to 1.7)

 Primary school or no formal education

148

37 (18.1)

137

31 (16.9)

285

68 (17.6)

2.3 (0.5 to 10.5)+

1 (omitted)

Occupation (N)

204

45 (22.1)

183

34 (18.6)

387

79 (20.4)

  

 Student, government/private officer

17

4 (2.0)

4

0 (0)

21

4 (1.0)

1

1

 Employee/Merchant

41

6 (3.0)

19

3 (1.6)

60

9 (2.3)

0.8 (0.2 to 2.8)

1.6 (0.2 to 16.2)

 Housewife

24

9 (4.4)

2

0 (0)

26

9 (2.3)

2.2 (0.6 to 8.7)

13.3 (1.3 to 137.5)+

 Agriculturist

122

26 (12.7)

158

31 (16.9)

280

57 (14.7)

1.1 (0.4 to 3.4)

4.2 (0.5 to 38.0)

BMI (N)

195

42 (21.5)

175

34 (19.4)

370

76 (20.5)

  

  < 18.5

15

0 (0)

6

1 (0.6)

21

1 (0.3)

1

 

 18.5 to 24.99

107

28 (14.3)

96

16 (9.1)

203

44 (11.9)

5.5 (0.7 to 42.4)

 

 25 to 29.99

60

13 (6.7)

57

10 (5.7)

117

23 (6.2)

4.9 (0.6 to 38.4)

 

  ≥ 30

13

1 (0.5)

16

7 (4.0)

29

8 (2.1)

7.6 (0.8 to 66.5)

 

Income per month (N) $

204

45 (22.1)

183

34 (18.6)

387

79 (20.4)

  

  ≥ 250$

49

12 (5.9)

39

5 (2.7)

88

17 (4.4)

1

 

  < 250$

155

33 (16.2)

144

29 (15.8)

299

62 (16.0)

1.1 (0.6 to 2.0)

 
  1. #Statistically significant difference P-value < 0.001, +Statistically significant difference P-value < 0.05
  2. Gender, age, education level, and occupation were multivariable analysis to adjust for confounder
  3. aThe difference of O. viverrini and other IPs infections between SR and BN area was not significantly statistic. GEE: generalized estimating equation, SR: Samran sub-district; BN: Bueng Niam sub-district
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