Sense of coherence and attrition during four-year follow-up in cohorts of permanent and non-permanent Finnish employees

Table 1 Characteristics of permanent employees who responded in the baseline and follow-up surveys and who did not respond in the follow-up survey, and odds ratios and 95% confidence intervals for response at follow-up by characteristic.

	Participants of baseline survey n = 5981	Respondents of follow-up survey n = 3998	Non-respondents to follow-up survey
			Lost^a (n = 1051)		Refused (n = 932)
	(%)	(%)	(%)	OR (95% Cl)^b	(%)	OR (95% Cl)^b
Sense of coherence
High	23	23	23	1	23	1
Intermediate	52	52	50	1.02 (0.85–1.22)	50	1.08 (0.89–1.30)
Low	25	25	27	0.94 (0.76–1.16)	27	0.99 (0.79–1.23)
Gender
Men	24	22	22	1	33	1
Women	76	78	78	0.84 (0.70–1.01)	67	1.58 (1.34–1.86)
Age group
17 – 29	3	2	6	1	5	1
30–49	62	66	41	5.45 (3.81–7.78)	66	2.23 (1.50–3.31)
50–64	35	32	53	2.15 (1.50–3.08)	29	2.51 (1.67–3.78)
Occupational status
Professionals	38	37	44	1	36	1
Associate professionals	21	23	17	1.69 (1.38–2.07)	18	1.25 (1.01–1.54)
Clerks	9	10	8	1.54 (1.18–2.02)	7	1.27 (0.94–1.71)
Manual workers	32	30	31	1.37 (1.15–1.63)	39	0.79 (0.66–0.94)
Self-rated health
Good	67	70	59	1	66	1
Poor	33	30	41	0.66 (0.56–0.77)	34	0.82 (0.69–0.96)

^a Employees no longer were in the service of the same employer as at baseline
^b Adjusted for age, sex, occupational status and baseline level of self-rated health

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