Table 2 Multivariable logistic regression analyses of possible factors associated with PTSD, depression and anxiety (n = 898)

 Male

1.04 (0.66, 1.61)

1.04 (0.71, 1.52)

1.01 (0.67, 1.53)

 Female

1

1

1

 ≤ 20

1.06 (0.37, 3.03)

1.57 (0.61, 4.05)

0.65 (0.23, 1.81)

 21–40

0.79 (0.33, 1.88)

1.31 (0.58, 2.93)

0.86 (0.39, 1.93)

 41–60

0.57 (0.25, 1.30)

0.96 (0.45, 2.07)

0.56 (0.26, 1.20)

 ≥ 61

1

1

 Primary and secondary school

0.95 (0.28, 3.31)

0.74 (0.26, 2.12)

0.49 (0.17, 1.45)

 High school or technical school

0.81 (0.25, 2.59)

0.73 (0.27, 1.92)

0.56 (0.21, 1.79)

 University or college

1.02 (0.34, 3.03)

0.94 (0.38, 2.35)

0.57 (0.22, 1.51)

 Postgraduate or above

1

1

1

 Low

1.96 (0.53, 7.31)

0.93 (0.33, 2.61)

1.23 (0.42, 3.58)

 Below-average

1.52 (0.46, 5.18)

0.72 (0.28, 1.83)

0.67 (0.25, 1.79)

 Average

1.31 (0.39, 4.43)

0.54 (0.21, 1.34)

0.57 (0.22, 1.51)

 Above-average to high

1

1

1

Impact of negative news reports

1.72 (1.37, 2.15)

1.69 (1.40, 2.05)

1.62 (1.32, 1.99)

Impact of positive news reports

1.07 (0.86, 1.33)

0.90 (0.74,1.09)

1.05 (0.86, 1.29)

Trauma exposure

1.20 (1.12,1.29)

1.25 (1.18, 1.33)

1.24 (1.15, 1.32)

Resilience

0.98 (0.95, 1.00)

0.98 (0.96, 1.00)

0.99 (0.96, 1.01)

Perceived social support

0.96 (0.95, 0.98)

0.97 (0.96, 0.98)

0.97 (0.95, 0.98)