Activity limitations predict health care expenditures in the general population in Belgium

BMC Public Health

Table 5 Decomposition of the gap between people with activity limitations (AL) and no activity limitations in terms of the natural logarithm of the health care expenditure and the contribution of each variable in creating this gap in the explained and unexplained components

Log (health care expenditure)	Total health expenditure		Covered by health insurance		Out-of-pocket		Supplement
	Coeff.	p-value	Coeff.	p-value	Coeff.	p-value	Coeff.	p-value
Prediction in people with AL	7.499	<0.001	7.319	<0.001	5.379	<0.001	2.245	<0.001
Prediction in people without AL	5.894	<0.001	5.662	<0.001	4.201	<0.001	1.395	<0.001
Gap	1.605	<0.001	1.657	<0.001	1.178	<0.001	0.850	<0.001
Explained (prevalence)
Age	0.324	<0.001	0.333	<0.001	0.279	<0.001	0.143	<0.001
Gender	0.056	<0.001	0.053	<0.001	0.053	<0.001	0.037	<0.001
Education	0.049	0.030	0.054	0.015	0.026	0.175	−0.038	0.152
Income	−0.010	0.564	−0.005	0.751	−0.038	0.011	−0.036	0.072
Nationality	0.018	0.099	0.016	0.110	0.015	0.042	0.004	0.783
Household type	−0.025	0.265	−0.019	0.402	−0.044	0.017	0.007	0.889
Degree of urbanisation	0.002	0.706	0.001	0.749	0.002	0.549	0.001	0.256
Chronic condition	0.356	<0.001	0.356	<0.001	0.324	<0.001	0.141	<0.001
Total	0.768	<0.001	0.791	<0.001	0.616	<0.001	0.259	<0.001
Unexplained (impact)
Age	0.882	0.023	0.871	0.026	0.586	0.033	0.605	0.109
Gender	−0.635	0.003	−0.616	0.004	−0.516	0.002	0.010	0.973
Education	0.347	0.029	0.337	0.034	0.271	0.040	0.334	0.108
Income	−0.118	0.394	−0.128	0.357	0.009	0.936	−0.007	0.966
Nationality	−0.004	0.852	−0.005	0.837	0.002	0.907	0.018	0.570
Household type	−0.284	0.035	−0.283	0.035	−0.090	0.386	−0.084	0.722
Degree of urbanisation	−0.031	0.649	−0.029	0.669	−0.036	0.502	−0.032	0.304
Chronic condition	−0.151	0.260	−0.149	0.271	−0.075	0.482	0.233	0.129
Constant	0.830	0.118	0.867	0.104	0.410	0.295	−0.486	0.385
Total	0.837	<0.001	0.866	<0.001	0.562	0.000	0.591	<0.001

ISSN: 1471-2458