Group	Model 3a Crude model	Model 4a* +Covariates	Model 3b Crude model	Model 4b*° +Covariates
	n = 4374, 170 events		n = 4652, 448 events
Sum score	HR (95% CI)	HR (95% CI)	HR (95% CI)	HR (95% CI)
Group 1: Lowest (14–28)	1.63 (0.82 to 3.25)	1.56 (0.78 to 3.11)	2.78 (1.88 to 4.10)	2.68 (1.82 to 3.97)
Group 2: Low (29–42)	1.38 (0.86 to 2.20)	1.37 (0.86 to 2.20)	1.72 (1.26 to 2.33)	1.69 (1.24 to 2.30)
Group 3: High (43–56)	1.25 (0.80 to 1.97)	1.23 (0.78 to 1.94)	1.40 (1.04 to 1.89)	1.38 (1.02 to 1.86)

Notes: Model 3a-3b and 4a-4b reference group is ‘Highest’ (57–70) group

*Models 4a and 4b are adjusted for sex, age, education, socioeconomic position, marital status, insecure employment in 2010 (estimates not shown, sex and insecure employment remained significant)

°Model 3b and 4b are adjusted for all covariates as above, and also includes events from individuals in receipt of prescribed antidepressant medication in the 2 years up to 2012.