Model 1	B	Std. Error	Beta	t	p	CI
(Constant)	5.147	0.086		60.097	0.000	4.979	5.316
BI score	0.973	0.086	0.485	11.364	0.000	0.805	1.142
Model 2	B	Std. Error	Beta	t	p	CI
(Constant)	5.398	0.408		13.223	0.000	4.596	6.201
BI score	1.015	0.087	0.506	11.605	0.000	0.843	1.187
Physical functioning	−0.002	0.005	−0.019	−0.294	0.769	−0.012	0.009
Physical health	0.004	0.004	0.082	1.124	0.262	−0.003	0.012
Emotional problems	0.004	0.003	0.078	1.184	0.237	−0.003	0.011
Energy /fatigue	−0.003	0.007	−0.035	−0.450	0.653	−0.017	0.011
Emotional well-being	−0.008	0.008	−0.078	−0.920	0.358	−0.024	0.009
Social functioning	−0.010	0.005	−0.135	−1.935	0.054	−0.021	0.000
Pain	0.002	0.005	0.022	0.316	0.752	−0.009	0.012
General health	0.009	0.006	0.092	1.350	0.178	−0.004	0.022
Health change	0.003	0.005	0.026	0.556	0.579	−0.007	0.013
Model 3	B	Std. Error	Beta	t	p	CI
(Constant)	5.636	0.631		8.935	0.000	4.396	6.877
BI score	1.012	0.087	0.505	11.575	0.000	0.840	1.184
Physical functioning	−0.003	0.006	−0.032	−0.483	0.629	−0.014	0.008
Physical health	0.004	0.004	0.068	0.929	0.354	−0.004	0.011
Emotional problems	0.005	0.003	0.088	1.332	0.184	−0.002	0.011
Energy/fatigue	−0.001	0.007	−0.010	−0.122	0.903	−0.015	0.013
Emotional well-being	−0.006	0.008	−0.066	−0.775	0.439	−0.023	0.010
Social functioning	−0.010	0.005	−0.134	−1.919	0.056	−0.021	0.000
Pain	0.003	0.005	0.033	0.473	0.636	−0.008	0.013
General health	0.006	0.007	0.059	0.850	0.396	−0.007	0.019
Health change	0.002	0.005	0.017	0.363	0.716	−0.008	0.012
Age	−0.009	0.007	−0.064	−1.337	0.182	−0.022	0.004
Gender	0.177	0.174	0.044	1.014	0.311	−0.166	0.520
Model 4	B	Std. Error	Beta	t	p	CI
(Constant)	5391	0.634		8500	0	4144	6637
BI score	1007	0.087	0.503	11,563	0	0.835	1178
Physical functioning	−0.004	0.005	−0.046	−0.705	0.481	−0.015	0.007
Physical health	0.004	0.004	0.077	1054	0.292	−0.004	0.012
Emotional problems	0.005	0.003	0.092	1392	0.165	−0.002	0.012
Energy/fatigue	−0.002	0.007	−0.021	−0.274	0.784	−0.016	0.012
Emotional well-being	−0.006	0.008	−0.061	−0.726	0.469	−0.022	0.01
Social functioning	−0.01	0.005	−0.126	−1828	0.068	−0.02	0.001
Pain	0.003	0.005	0.038	0.553	0.581	−0.007	0.013
General health	0.005	0.007	0.056	0.811	0.418	−0.008	0.018
Health change	0.002	0.005	0.016	0.343	0.732	−0.008	0.012
Age	−0.008	0.007	−0.061	−1277	0.202	−0.021	0.005
Gender	0.166	0.174	0.041	0.952	0.342	−0.176	0.508
Participant type	0.331	0.299	0.048	1107	0.269	−0.257	0.919
Video	0.466	0.172	0.116	2714	0.007	0.128	0.803