Table 4

Multiple regression models for quality of life (QoL)

Model	R	R²	Adjusted R²	Independent variables	Unstandardised coefficients B	95% CI		P values
Model	R	R²	Adjusted R²	Independent variables	Unstandardised coefficients B	Lower bound	Upper bound	P values
Overall QoL	0.70	0.50	0.47	Participation: control	0.09	0.07	0.12	<0.001
				Income
				Very low income	−1.65	−2.70	−0.60	0.001
				Low income	−1.45	−2.60	−0.30	0.02
				Medium income	−0.52	−1.77	0.74	0.42
				High income	Base variable
Physical domain	0.62	0.38	0.34	Participation: control	0.07	0.03	0.10	<0.001
				Income
				Very low income	−2.47	−3.89	−1.04	0.001
				Low income	−2.25	−3.79	−0.71	0.01
				Medium income	−1.21	−2.88	0.47	0.16
				High income	Base variable
				Health concerns	−0.34	−0.59	−0.09	0.01
Psychological domain	0.63	0.40	0.38	Participation: control	0.08	0.04	0.12	<0.001
				Participation: importance	0.05	−0.00	0.10	0.05
Social domain	0.57	0.32	0.30	Participation: control	0.08	0.03	0.13	0.002
				Participation: importance	0.07	0.00	0.13	0.04
Environmental domain	0.71	0.51	0.47	Participation: control	0.08	0.05	0.11	<0.001
				Education
				Secondary level: uncompleted	−2.47	−4.61	−0.33	0.03
				Secondary level: completed	−3.02	−5.34	−0.69	0.01
				Tertiary level	−1.12	−3.47	1.23	0.355
				Primary level	Base variable
				Healthcare
				Private	2.66	1.36	3.86	<0.001
				Combination: private and public	2.61	0.94	4.37	0.003
				Public	Base variable