Table 3 Odds ratios (ORs) and 95% confidence intervals (CIs) of depression according to lifestyle risk factors-based subgroups

  < 1

1 (ref)

1 (ref)

 2

1.786 (1.308–2.440)

< 0.001

1.620 (1.174–2.236)

0.003

  > 3

2.979 (1.903–4.632)

< 0.001

2.341 (1.473–3.719)

0.001

  < 1

1 (ref)

1 (ref)

 2

3.446 (1.208–9.829)

0.021

2.886 (1.003–8.299)

0.049

  > 3

4.510 (1.580–12.875)

0.005

3.109 (1.064–9.097)

0.038

  < 1

1 (ref)

1 (ref)

 2

1.634 (1.174–2.273)

0.004

1.505 (1.067–2.124)

0.020

  > 3

3.363 (1.842–6.139)

< 0.001

2.828 (1.527–5.239)

0.001