Table 3 Independent prognosis factors for current PTSD, expressed in OR and adjusted ORs of 5 models

Counties

 Huarong

144

14.6

Reference

 Ziyang

46

30.4

2.562*

1.779

1.443

1.704

3.138*

1.069

 Anxiang

77

7.8

0.495

0.504

0.437

0.597

0.538

0.324

Gender

 Male

141

13.5

Reference

 Female

126

17.5

1.358

1.085

1.108

1.132

1.387

1.698

Age

 29-57

159

18.9

Reference

 58-81

108

10.2

0.488

0.375*

0.284*

0.366*

0.499

0.323*

Education Level

 Elementary school or below

123

13.8

Reference

 Middle school or above

144

16.7

1.247

0.808

0.831

0.747

0.749

1.122

Flood-related stressors

 0

105

3.8

Reference

 1

66

19.7

6.196**

7.235**

8.876**

6.785**

5.917**

11.733**

 ≥2

96

25.0

8.417***

9.645***

12.341***

9.634**

9.036***

17.512***

FGCA in 2000

 Never

61

32.8

Reference

 Occasionally

113

13.3

0.314**

0.268**

1.255

 Actively

93

6.5

0.141***

0.133***

0.218

FGCA around 2006

 Never

54

50.0

Reference

 Occasionally

116

8.6

0.094***

0.065***

0.021***

 Actively

97

4.1

0.043***

0.031***

0.076*

FGCA around 2013

 Never

55

45.5

Reference

 Occasionally

103

11.7

0.158**

0.182***

3.629

 Actively

109

3.7

0.046***

0.045***

0.906

Fluctuation of FGCA

 No change

152

15.8

Reference

 Getting frequent

61

6.6

0.374

0.320

0.677

 Getting less frequent

38

28.9

2.173

2.003

6.893

 Fluctuation

16

12.5

0.762

0.846

0.345