Table 2 Univariable logistic regression analyses of the effects of demographics, trauma exposure, social support, and coping style on the odds of PTSD at follow-up

Overall

39 (19.4)

Gender

Female

23 (25.6)

1

Male

16 (14.4)

0.49 (0.24–0.99)

0.050

Marital status

Married

34 (18.7)

1

Unmarried

5 (26.3)

0.64 (0.22–1.91)

0.426

Age

21–60

29 (20.4)

1

61–88

10 (16.9)

0.79 (0.36–1.76)

0.571

Educational level

≤Primary school

24 (22.6)

1

>Primary school

15 (15.8)

0.64 (0.31–1.31)

0.222

Loss of relative

No

30 (16.0)

1

Yes

9 (69.2)

11.85 (3.43–40.98)

0.000

Bodily injury

No

16 (12.4)

1

Yes

23 (31.9)

3.32 (1.61–6.82)

0.001

Loss of property

No

11 (10.7)

1

Yes

28 (28.6)

3.35 (1.56–7.18)

0.002

Loss of livelihood

No

14 (13.9)

1

Yes

25 (25.0)

2.07 (1.01–4.27)

0.049

Damage to home

No

19 (14.5)

1

Yes

20 (28.6)

2.36 (1.16–4.80)

0.018

Post-flood stressors

Negative

28 (17.9)

1

Positive

11 (24.4)

1.48 (0.67–3.27)

0.334

Social support

High

2 (4.8)

1

Medium

24 (30.0)

3.94 (0.85–18.37)

0.081

Low

13 (16.5)

8.57 (1.92–38.36)

0.005

Coping style

Positive

16 (10.9)

1

Negative

23 (42.6)

6.08 (2.87–12.84)

0.000