Health-related quality of life, and its determinants, among older people in rural Vietnam

Table 4 Affect of socioeconomic factors on EQ-5D index among older people from multilevel-multivariate linear regression analysis

Terms	Coefficients	P	95%CI of Coefficients
Fixed effects
Aged 60-69	0.067	<0.001	0.049 - 0.084
Aged 70-79	0.064	<0.001	0.048 - 0.079
High school or higher	0.032	0.018	0.006 - 0.058
Secondary/primary school	0.025	0.006	0.007 - 0.043
Read and write only	0.019	0.020	0.003 - 0.036
Household head	0.017	0.003	0.006 - 0.029
Working	0.053	<0.001	0.041 - 0.066
Richest quintile	0.024	0.004	0.008 - 0.040
Richer quintile	0.021	0.007	0.006 - 0.036
Middle quintile	0.016	0.033	0.001 - 0.031
Constant	0.759	<0.001	0.740 - 0.777
Random effects
Cluster (sd)	0.037		0.029 - 0.047
Household (sd)	0.025		0.008 - 0.075
Residual (sd)	0.140		0.135 - 0.146

References: aged 80+, illiteracy, household member; not working, poorest quintile

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