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Table 4 GLM poisson regression to determine the effective factors on the health related quality of life disutility scores and EQ-VAS scores

From: Health-related quality of life measured using the EQ-5D–5 L: population norms for the capital of Iran

Independent variableDependent variable: disutility scoresDependent variable: EQ-VAS scores
Model 1Model 2
Coefficientp-value95% CICoefficientp-value95% CI
Gender
 MaleRef     
 Female0.2150.164− 0.088,0.519−0.0140.054−0.028,0.000
Age category
  < 30Ref     
 30–390.2260.178−0.103,0.555− 0.0500.000−0.064,-0.035
 40–490.4160.0160.076,0.756−0.1060.000−0.122,-0.090
 50–590.4940.0060.143,0.844−0.1390.000−0.156,-0.122
 60–690.5470.0050.161,0.932−0.1440.000−0.164,-0.124
  > 690.7850.0010.334,1.236−0.2080.000−0.235,-0.182
Marital status
 Never marriedRef     
 Married0.0530.749−0.275,0.3830.0140.0460.000,0.029
 Divorced or widowed0.2230.338−0.233,0.679−0.1070.000−0.134,-0.080
Employment status
 EmployedRef     
 Student−0.0320.897−0.526,0.4610.0090.355−0.010,0.028
 Home maker0.1490.381−0.185,0.484− 0.0390.000−0.055,-0.022
 Retired0.0930.553− 0.214,0.4000.0070.397−0.009,0.025
 Unemployed0.1520.563−0.364,0.6700.0070.545−0.017,0.032
 Others0.5690.164−0.232,1.372−0.2130.000−0.268,-0.0158
Education
 IlliterateRef     
 Elementary−0.0100.957−0.377,0.3570.0170.192−0.008,0.043
 Guidance−0.0730.692− 0.436,0.2900.0420.0010.017,0.067
 High school and pre-university−0.1590.386−0.519,0.2000.0780.0000.053,0.102
 University−0.2080.293−0.598,0.1800.0940.0000.068,0.120
 Constant−2.1150.000−2.607,-1.6224.3070.0004.279,4.335
 AIC0.899  11.590  
 BIC−23,823.73  − 7364.766