Table 4.

Association between repeated exposure to high ICT demands at work at T1 and/or T2, and risk of developing suboptimal SRH at T3, in participants with low, intermediate and high SEP

	Crude		Adjusted for age and sex		Adjusted for age, sex, health behaviours and BMI		Adjusted for age, sex, health behaviours, BMI and job strain		Adjusted for age, sex, health behaviours, BMI, job strain and social support
	OR	CI 95%	OR	CI 95%	OR	CI 95%	OR	CI 95%	OR	CI 95%
Low SEP
Exposure to ICT demands at work	n = 1259		n = 1259		n = 1227		n = 1222		n = 1212
Non-exposure T1, T2 (n = 835)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)
Exposure T1, non-exposure T2 (n = 147)	1.28	0.78–2.08	1.29	0.79–2.12	1.37	0.83–2.26	1.37	0.83–2.27	1.37	0.83–2.27
Non-exposure T1, exposure T2 (n = 119)	1.07	0.61–1.88	1.09	0.62–1.93	1.14	0.64–2.03	1.16	0.65–2.07	1.21	0.68–2.17
Exposure T1 & T2 (n = 158)	1.61	1.03–2.52	1.63	1.04–2.56	1.65	1.04–2.62	1.66	1.04–2.64	1.67	1.04–2.66
Interaction ICT demands*SEP, p value (Total study sample)	0.110		0.176		0.257		0.293		0.271
Intermediate SEP	n = 2024		n = 2024		n = 1982		n = 1976		n = 1966
Non-exposure T1, T2 (n = 742)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)
Exposure T1, non-exposure T2 (n = 288)	0.95	0.61–1.46	0.95	0.61–1.47	0.93	0.60–1.45	0.87	0.55–1.36	0.86	0.55–1.35
Non-exposure T1, exposure T2 (n = 275)	0.72	0.44–1.16	0.72	0.44–1.16	0.66	0.40–1.10	0.65	0.39–1.08	0.64	0.39–1.07
Exposure T1 & T2 (n = 719)	1.24	0.91–1.69	1.22	0.90–1.67	1.15	0.84–1.59	1.09	0.78–1.51	1.07	0.77–1.49
High SEP	n = 990		n = 990		n = 975		n = 972		n = 959
Non-exposure T1, T2 (n = 310)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)	1	(Ref)
Exposure T1, non-exposure T2 (n = 127)	0.77	0.35–1.68	0.76	0.35–1.66	0.70	0.32–1.57	0.73	0.33–1.63	0.70	0.31–1.57
Non-exposureT1, exposure T2 (n = 157)	1.22	0.65–2.31	1.23	0.65–2.33	1.23	0.64–2.37	1.29	0.66–2.50	1.27	0.65–2.46
Exposure T1 & T2 (n = 396)	1.76	1.10–2.84	1.75	1.08–2.83	1.64	0.99–2.69	1.68	1.02–2.79	1.56	0.94–2.60

SEP was only adjusted for in the analyses of the total study population