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Table 1 Description of variables in the year of 2003 and 2008 (Percentage/means)

From: Measuring the equity of inpatient utilization in Chinese rural areas

Variable Description 2003 2008
Inpatient utilization    
Probability of inpatient visit The probability of seeking inpatient care. 3.37 6.16
Hospitalization rate Hospitalization rates in the year of 2003 or 2008. 3.89 7.48
Per-visit hospitalization days Mean per-visit hospitalization days. 10.55 10.37
Independent variables    
Income (RMB) Mean of per capita consumption expenditure. Natural log of income is introduced in regression models. 2690.32 4471.15
Female* 1 if female, 0 otherwise. Omitted group. 49.61 50.28
Male 1 if male, 0 otherwise. 50.39 49.72
Age 15-34* 1 if age between 15 and 34, 0 otherwise. Omitted group. 37.52 30.96
Age 35-44 1 if age between 35 and 44, 0 otherwise. 21.46 22.69
Age 45-54 1 if age between 45 and 54, 0 otherwise. 19.74 19.19
Age 55-64 1 if age between 55 and 64, 0 otherwise. 10.86 14.95
Age 65+ 1 if age between 65 and above, 0 otherwise. 10.42 12.21
Not ill in last two weeks* 1 if not ill in the last two weeks, 0 otherwise. Omitted group. 85.12 21.62
Illness in last two weeks 1 if ill in last two weeks, 0 otherwise. 14.88 18.38
Not Chronic disease* 1 if not chronic disease, 0otherwise. Omitted group   
Chronic disease 1 if chronic disease, 0 otherwise. 13.19 17.29
Sick days (day) Sick days in last two weeks 7.89 8.52
Bed days (day) Days of staying in bed because of illness in last two weeks. 1.30 1.16
Off-work days (day) Days off work and study in last two weeks because of illness. 1.80 1.43
Excellent health* 1 if very good health, 0 otherwise. Omitted group. 38.49 --
Good health 1 if good health, 0 otherwise. 36.34 --
Average health 1 if health, 0 otherwise. 19.99 --
Poor health 1 if bad health, 0 otherwise. 4.54 --
Very poor health 1 if very bed health, 0 otherwise. 0.65 --
Health status index Mean scores of health status. -- 80.66
Unmarried* 1 if unmarried, 0 otherwise. Omitted group. 18.37 16.52
Married 1 if married, 0 otherwise. 74.8 75.27
Divorced 1 if divorced or separated, 0 otherwise. 0.73 1.21
widowed 1 if widowed, 0 otherwise. 6.10 7.00
Illiterate* 1 if illiterate, 0 otherwise. Omitted group. 22.84 19.04
Elementary 1 if graduating from elementary school, 0 otherwise. 31.17 31.46
Primary 1 if graduating from middle school, 0 otherwise. 36.06 37.84
High 1 if graduating from high school, 0 otherwise 8.85 10.22
University 1 if graduating from university, 0 otherwise 1.09 1.45
Unemployment* 1 if unemployment, 0 otherwise. Omitted group. 3.95 12.92
farmer 1 if farmer, 0 otherwise. 72.28 64.39
student 1 if student, 0 otherwise. 6.31 7.17
Other occupations 1 if other occupations, 0 otherwise. 17.46 15.52
Eastern region* 1 if eastern region, 0 otherwise. Omitted group. 31.18 30.96
Central region 1 if central region, 0 otherwise. 26.84 27.42
Western region 1 if western region, 0 otherwise. 41.98 41.62
No medical insurance* 1 if no medical insurance, 0 otherwise. Omitted group. 87.49 6.51
CMS/NCMS 1 if CMS or NCMS, 0 otherwise. 9.67 90.24
Other medical insurance 1 if other medical insurance, 0 otherwise. 2.84 3.25
Time (minutes) Mean time of going to the nearest medical institution. Natural log of income is introduced in regression models. 14.26 13.75
Price of outpatient (RMB) Median price of outpatient service. Natural log of outpatient price is introduced in regression models. 39.08 72.03
Price of inpatient (RMB) Median price of inpatient service. Natural log of inpatient price is introduced in regression models. 1472.71 1976.60
  1. Note: * Reference groups. Per capita consumption expenditure in the year 2008 is deflated to the year of 2003 by using consumer price index.