Table 3. Results of the decomposition analysis of inequality in poor-HRQoL .

Variables	Marginal effects	Mean (xk)	Elasticity	Concentration Index (C k )	Absolute Contribution	Percentage Contribution	Summed Percentage Contribution
Age groups (yr)							4.2
18-30	1.000	0.517	1.000	1.000	1.000	1.00
31-45	0.116	0.229	0.074	-0.008	-0.000	0.20
46-65	0.207	0.254	0.149	-0.073	-0.011	4.00
Gender							-0.02
Male	1.000	0.612	1.000	1.000	1.000	1.00
Female	-0.001	0.388	-0.001	-0.054	-0.000	-0.02
Marital status							3.1
Single	1.000	0.342	1.000	1.000	1.000	1.00
Married	0.070	0.602	0.123	-0.031	-0.004	1.37
Divorce, separated and widows	0.125	0.056	0.020	-0.239	-0.005	1.73
Socioeconomic status (Household wealth)							39.2
1st quintile (lowest)	0.190	0.200	0.108	-0.804	-0.086	31.6
2nd quintile	0.113	0.200	0.064	-0.400	-0.026	9.30
3rd quintile	0.083	0.200	0.047	0.000	-0.000	0.00
4th quintile	0.021	0.201	0.012	0.401	0.005	-1.70
5th quintile (highest)	1.000	0.199	1.000	1.000	1.000	1.00
Employment status							2.7
Unemployed	1.000	0.383	1.000	1.000	1.000	1.00
Self-employed	-0.096	0.358	-0.097	-0.062	0.006	-2.20
Employed	-0.072	0.214	-0.044	0.384	-0.016	6.10
Retired	0.159	0.045	0.020	0.162	0.003	-1.20
Health insurance coverage							9.8
Yes	1.000	0.800	1.000	1.000	1.000	1.00
No	0.202	0.200	0.114	-0.236	-0.027	9.8
Smoking status							5.8
Never	1.000	0.769	1.000	1.000	1.000	1.00
Former	0.229	0.047	0.030	0.135	0.004	-1.50
Current	0.210	0.184	0.109	-0.184	-0.020	7.30
Physical activity							14.6
Inactive	0.212	0.305	0.183	-0.066	-0.012	4.30
Moderately active	0.355	0.147	0.148	-0.190	-0.028	10.3
Active	1.000	0.548	1.000	1.000	1.000	1.00
Chronic health condition(s)						12.9
Yes	0.364	0.143	0.147	-0.222	-0.033	11.9
No	1.000	0.857	1.000	1.000	1.000	1.00
Total explained					-0.250		91.1
Residual					-0.024		8.9
Total					-0.274		100