Table 3 Association of demographic and work-related variables with psychiatric symptoms and PHQ-9 depressive symptoms severity score in logistic regression analysis among seafarers

Anxiety

Model I

1.02 (0.99–1.06)

1 (0.99–1)

1.06 (0.93–1.22)

2.04 (1.02–4.09)^a

0.91 (0.51–1.62)

0.72 (0.39–1.32)

0.27 (0.06–1.18)

0.33 (0.18–0.61)^a

Model II

(−)

(−)

(−)

2.22 (0.90–5.45)

(−)

(−)

(−)

0.30 (0.15–0.61)^a

Depressive symptoms

Model I

1.01 (0.98–1.05)

0.98 (0.96–1.01)

1.15 (1.01–1.31)^a

1.93 (1.01–3.70)^a

0.69 (0.39–1.21)

0.71 (0.40–1.26)

0.36 (0.10–1.25)

0.3 (0.17–0.55)^a

Model II

(−)

(−)

1.16 (1.01–1.34)^a

1.88 (0.82–4.31)

(−)

(−)

(−)

0.26 (0.13–0.52)^a

Intrusion

Model I

1.01 (0.99–1.04)

0.98 (0.96–1)

1.13 (1.01–1.26)^a

1.44 (0.89–2.33)

0.92 (0.59–1.43)

1.10 (0.69–1.75)

1.22 (0.58–2.55)

0.37 (0.24–0.59)^a

Model II

(−)

(−)

1.16 (1.03–1.30)^a

(−)

(−)

(−)

(−)

0.31 (0.18–0.53)

Hyper-vigilance

Model I

1.03 (1–1.06)^a

0.95 (0.93–0.97)^a

1.08 (0.96–1.20)

2.14 (1.25–3.67)^a

0.67 (0.42–1.06)

1.27 (0.78–2.05)

1.73 (0.83–3.59)

0.55 (0.35–0.87)^a

Model II

1 (0.96–1.03)

0.94 (0.92–0.97)^a

(−)

1.81 (0.91–3.57)

(−)

(−)

(−)

0.49 (0.29–0.85)^a

Avoidance

Model I

1.02 (0.99–1.04)

0.96 (0.94–0.99)^a

1.06 (0.95–1.19)

1.46 (0.87–2.45)

0.87 (0.54–1.40)^a

1.43 (0.89–2.32)

0.54 (0.2–1.45)

0.48 (0.30–0.77)^a

Model II

(−)

0.96 (0.94–0.99)^a

(−)

(−)

(−)

(−)

(−)

0.57 (0.34–0.97)^a