Table 4.

Depression and low social support's synergistic effect on low future expectations presented as relative risks (RRs), excess risk due to interactions (RERI), attributable proportion due to interaction (AP), and synergy index (S) with 95% CI^*.

		n	Mean depression score (SD)	RR (95% CI)	RERI (95% CI)	AP (95% CI)	Synergy Index (95% CI)
	Low labour market expectations
No depression	High social support	356	1.35 (0.25)	1	1.53 (0.29–2.67)	0.43 (0.12–0.75)	2.53 (0.76–8.49)
	Low social support	352	1.39 (0.26)	1.28 (0.72–2.42)
Depression	High social support	139	2.24 (0.39)	1.71 (0.83–3.32)
	Low social support	345	2.48 (0.49)	3.53 (2.20–6.14)
	Low social expectations
No depression	High social support	351	1.35 (0.25)	1	2.38 (0.86–3.90)	0.50 (0.24–0.76)	2.72 (1.03–7.22)
	Low social support	358	1.39 (0.26)	1.53 (0.85–2.91)
Depression	High social support	139	2.24 (0.39)	1.85 (0.82–3.75)
	Low social support	344	2.48 (0.49)	4.76 (3.09–8.94)
	Low economic expectations
No depression	High social support	352	1.35 (0.25)	1	1.90 (0.64–3.16)	0.48 (0.20–0.76)	2.76 (0.89–8.52)
	Low social support	357	1.39 (0.26)	1.04 (0.60–1.88)
Depression	High social support	139	2.24 (0.39)	2.05 (1.08–3.87)
	Low social support	343	2.48 (0.50)	3.99 (2.62–6.78)

^∗All models are adjusted for gender, age, level of education, marital status and number of years in Sweden.