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Table 1 Mean and Concentration Indices of health outcome variables and their determinants for 37,202 respondents

From: Measuring and decomposing inequity in self-reported morbidity and self-assessed health in Thailand

DEPENDENT/HEALTH OUTCOME VARIABLES(yes = 1, otherwise = 0) Proportion Concentration Index
Recently ill ('ill or not feeling well' in last month) 0.224 -0.099
Chronic illness (lasting more than 3 months) during past month 0.225 -0.085
Hospital admission (during the past 12 months, excluding maternity admissions) 0.059 -0.103
Health compared to a year ago worse or much worse 0.199 -0.139
Health compared to peers (same age, sex, socioeconomic status and lifestyle) worse or much worse 0.131 -0.174
INDEPENDENT VARIABLES/DETERMINANTS (yes = 1, otherwise = 0) Proportion Concentration Index
Demographic characteristics   
   Males aged 15–29 0.143 0.050
   Males aged 30–44 0.144 0.085
   Males aged 45–59 0.103 0.045
   Males aged 60+ 0.061 -0.197
   Females aged 15–29 0.170 0.032
   Females aged 30–44 0.176 0.054
   Females aged 45–59 0.123 -0.008
   Females aged 60+ 0.079 -0.186
Sub-total 1.000  
   One-person male household 0.023 0.156
   One-person female household 0.022 -0.104
   Household with no dependent 0.279 0.197
   Household with dependent children but no elderly 0.419 -0.025
   Household with elderly 0.209 -0.121
   Household with only dependents, no working-age members 0.047 -0.259
Sub-total 1.000  
Socioeconomic characteristics   
   Income quintile: 1 – lowest 20% 0.236 -0.848
   Income quintile 2 – lower 20% 0.211 -0.365
   Income quintile 3 – middle 20% 0.181 0.037
   Income quintile 4 – higher 20% 0.188 0.420
   Income quintile 5 – highest 20% 0.183 0.767
Sub-total 1.000  
   Education: primary level 0.641 -0.141
   Education: secondary level 0.258 0.134
   Education: higher level 0.101 0.466
Sub-total 1.000  
   Work status: agriculture and fishery 0.295 -0.424
   Work status: elementary occupation 0.090 0.057
   Work status: others including professionals, technicians, or service workers 0.355 0.318
   Not in workforce: housewife 0.081 -0.049
   Not in workforce: disabled 0.015 -0.320
   Not in workforce: others such as decided not to work or student 0.164 -0.169
Sub-total 1.000  
Geographic characteristics (resident in)   
   Bangkok 0.139 0.508
   Urban Central excluding Bangkok 0.073 0.148
   Rural Central 0.142 0.097
   Urban North 0.041 0.031
   Rural North 0.154 -0.380
   Urban Northeast 0.055 0.028
   Rural Northeast 0.286 -0.825
   Urban South 0.024 0.068
   Rural South 0.086 -0.043
Sub-total 1.000  
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