Table 4.

Hazard Ratios (HR) and Synergy Index (SI) between gender and social position in diagnosed depression, n = 169,262

Social factors	Male (95% CI)		Female (95% CI)		Synergy Index (SI) (95% CI)
	Unexposed to social factor	Exposed to social factor	Unexposed to social factor	Exposed to social factor
Parental educationa High vs. low/medium	1.0	1.1 (1.0–1.2)	2.3 (2.0–2.6)	2.7 (2.5–3.0)	1.2 (1.0–1.4)
Disposable household incomeb High vs. low	1.0	1.0 (0.9–1.1)	2.3 (2.2–2.5)	2.5 (2.3–2.7)	1.1 (0.9–1.3)
Parental receipt of an unemployment benefitb Received vs. not received	1.0	1.4 (1.2–1.7)	2.3 (2.2–2.5)	3.1 (2.7–3.5)	1.2 (0.9–1.5)

^aAdjusted for parental country of origin

^bAdjusted for parental country of origin and education