Co-exposure to social isolation and peripheral work position related to risk of disability pension a.

Rothman’s synergy index (S) was calculated with 95% confidence intervals.a All incident cases of DP, including unspecified DP diagnoses (n = 4376).b Prevalence (P) of the exposure categories (%).c Number of cases (n).d Hazard ratio (HR), and Rothman’s synergy index (S), and 95% confidence interval (CI), adjusted for age at interview and year of interview.e Hazard ratio (HR), Rothman’s synergy index (S), and 95% confidence interval (CI), adjusted for country of birth, self-reported long-standing illness, age at interview (one-year intervals), and year of interview.f: Four categories classifying the co-exposure to social isolation (SI) and peripheral work position (PWP) (see method section).Co-exposure to social isolation and peripheral work position related to risk of disability pension a.