Table 5.

Prediction of depressive symptoms at 2.5 year follow-up (T1) by the SES indicator household net-income

	Complete sample (T0)		persons without elevated depressive symptoms at T0		persons with elevated depressive symptoms at T0
	PHQ-2 ≥ 2 at T1 (2898/12484)		PHQ-2 ≥ 2 at T1 (1455/9605)		PHQ-2 ≥ 2 at T1 (1443/2879)
	Adj. OR (95% CI)	p	Adj. OR (95% CI)	p	Adj. OR (95% CI)	p
Household net-income
Model 1
with single indicator
Household net-income (range 1–7)	0.89 (0.87–0.92)	<  0.0001	0.91 (0.88–0.95)	<  0.0001	0.97 (0.92–1.02)	0.195
with three indicators
Household net-income (range 1–7)	0.92 (0.89–0.95)	<  0.0001	0.94 (0.90–0.98)	<  0.0001	0.97 (0.92–1.03)	0.351
Model 2
with single indicator
Household net-income (range 1–7)	0.94 (0.91–0.97)	<  0.0001	0.92 (0.89–0.96)	<  0.0001	0.98 (0.93–1.03)	0.354
with three indicators
Household net-income (range 1–7)	0.97 (0.94–1.00)	0.062	0.96 (0.92–0.99)	0.046	0.99 (0.94–1.05)	0.782

Model 1 adjusted for sex, age, living with partner and major medical diseases³

Model 2 adjusted for sex, age, living with partner, major medical diseases³, PHQ-2 (T0), MH² of depressive disorder, GAD-2 (T0) and MH² of anxiety disorder

A: included only the respective SES dimension, e.g. education; B: included all three SES dimensions concurrently as predictor variables

²MH Medical history

³Major medical diseases = any of the following diseases: CVD Cancer, diabetes, COPD Asthma

*boldface indicates p < 0.5 for odds ratios