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Table 4 Hazard Ratios (HR) and Synergy Index (SI) between gender and social position in diagnosed depression, n = 169,262

From: Social differences in diagnosed depression among adolescents in a Swedish population based cohort

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)
  1. aAdjusted for parental country of origin
  2. bAdjusted for parental country of origin and education
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