Table 4.

Continuation of Table 3, showing the interaction between time and exposure with days on sick leave and disability pension as outcome measures. The model also includes time (year), sex, educational level, country of birth, degree of urbanization, age category, inclusion year and cohorts

	Sick leave		Disability pension
	β	95% CI	β	95% CI
Non-surgical*Year (ref general population)
-T5	-0.289	[-0.294 -0.284]	-0.031	[-0.033 -0.029]
-T4	-0.247	[-0.252 -0.242]	-0.03	[-0.032 -0.029]
-T3	-0.199	[-0.204 -0.195]	-0.024	[-0.026 -0.023]
-T2	-0.152	[-0.156 -0.148]	-0.017	[-0.018 -0.015]
-T1	-0.101	[-0.104 -0.098]	-0.005	[-0.006 -0.005]
T0 (ref)	0	(ref)	0	(ref)
T1	-0.062	[-0.065 -0.059]	0.022	[0.021 0.023]
T2	-0.134	[-0.137 -0.130]	0.030	[0.029 0.031]
T3	-0.203	[-0.207 -0.199]	0.030	[0.029 0.032]
T4	-0.293	[-0.298 -0.288]	0.035	[0.033 0.037]
T5	-0.272	[-0.277 -0.266]	0.030	[0.028 0.032]
Surgically treated once*Year (ref general population)
-T5	-0.127	[-0.140 -0.114]	-0.163	[-0.169 -0.157]
-T4	-0.199	[-0.211 -0.186]	-0.116	[-0.121 -0.111]
-T3	-0.203	[-0.214 -0.191]	-0.103	[-0.108 -0.099]
-T2	-0.118	[-0.129 -0.108]	-0.054	[-0.057 -0.050]
-T1	-0.065	[-0.073 -0.057]	-0.049	[-0.051 -0.046]
T0 (ref)	0	(ref)	0	(ref)
T1	-0.060	[-0.068 -0.052]	0.065	[0.062 0.067]
T2	-0.017	[-0.027 -0.007]	0.088	[0.085 0.091]
T3	-0.119	[-0.130 -0.107]	0.113	[0.109 0.116]
T4	-0.162	[-0.175 -0.150]	0.114	[0.109 0.118]
T5	-0.147	[-0.160 -0.134]	0.099	[0.094 0.103]
Surgically treated ≥ 2 times*Year (ref general population)
-T5	-0.546	[-0.570 -0.522]	-0.028	[-0.037 -0.020]
-T4	-0.433	[-0.455 -0.411]	-0.061	[-0.068 -0.053]
-T3	-0.223	[-0.243 -0.204]	-0.081	[-0.088 -0.074]
-T2	-0.117	[-0.134 -0.101]	-0.072	[-0.077 -0.066]
-T1	-0.088	[-0.101 -0.075]	-0.020	[-0.024 -0.017]
T0 (ref)	0	(ref)	0	(ref)
T1	0.082	[0.070 0.095]	0.063	[0.059 0.067]
T2	-0.142	[-0.159 -0.126]	0.114	[0.109 0.119]
T3	-0.127	[-0.145 -0.108]	0.125	[0.119 0.131]
T4	-0.297	[-0.317 -0.276]	0.121	[0.114 0.128]
T5	-0.557	[-0.581 -0.533]	0.125	[0.117 0.133]

P < 0.0001 for all values