Table 3 Odds ratios and 95% CIs for any mental health condition by age, gender, socioeconomic status and number of physical conditions

Male (vs. female)

0.58 (0.58–0.59)

0.63 (0.62–0.64)

Age^b

1.34 (1.34–1.35)

1.47 (1.44–1.49)

Age squared

1.03 (1.03–1.03)

0.98 (0.98–0.98)

 Postgraduate education

Reference

Reference

 Undergraduate education

1.45 (1.41–1.49)

1.24 (1.20–1.27)

 Vocational training

1.48 (1.44–1.51)

1.26 (1.23–1.30)

 Lower secondary school

2.13 (2.08–2.18)

1.75 (1.70–1.79)

 0

Reference

Reference

 1

2.07 (2.04–2.11)

1.61 (1.58–1.63)

 2

3.19 (3.13–3.25)

2.04 (1.99–2.08)

 3

3.86 (3.77–3.94)

2.32 (2.26–2.37)

 4

4.98 (4.85–5.11)

2.87 (2.79–2.96)

  ≥ 5

7.12 (6.98–7.31)

3.93 (3.80–4.07)