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Table 3 Definitions of controlled variables and description of the mean

From: Institutional differences and geographical disparity: the impact of medical insurance on the equity of health services utilization by the floating elderly population - evidence from China

Variable name Variable definition Percentage/ Mean
  Gender Dummy variable: male = 1, female = 0 1 = 60.75%, 0 = 39.25%
Age Continuous variable: age of the participant Mean = 66.2507
Ethnic Dummy variable: Han ethnicity = 1, ethnic minorities = 0 1 = 90.86%, 0 = 9.14%
Type of Household Registration (Hukou) Rural Dummy variable: rural hukou = 1, others = 0 1 = 60.10%
Nonrural hukou Dummy variable: nonrural hukou = 1, others = 0 1 = 38.05%
Rural to resident hukou Dummy variable: rural to resident hukou = 1, others = 0 1 = 1.23%
Nonrural to resident hukou Dummy variable: nonrural to resident hukou = 1, others = 0 1 = 0.62%
Marital Status Single Dummy variable: single = 1, others = 0 1 = 0.91%
Married Dummy variable: married = 1, others = 0 1 = 80.62%
Divorce or widowed Dummy variable: divorced/widowed = 1, others = 0 1 = 18.47%
  Education level Categorical variable: unschooled = 1, primary school = 2, middle school = 3, high school or technical secondary school = 4, postsecondary college = 5, university = 6, postgraduate = 7 1 = 13.38%, 2 = 38.72%, 3 = 29.86%, 4 = 12.11%, 5 = 3.84%, 6 = 2.07%, 7 = 0.02%。
Range of Migration Interprovince Dummy variable: participant migrated from one province to another = 1, otherwise = 0 1 = 42.04%
Intercity Dummy variable: participant migrated from one city to another within the same province = 1, otherwise = 0 1 = 31.47%
Intercounty Dummy variable: participant migrated from one county to another within the same province = 1, otherwise = 0 1 = 26.49%
  Monthly household income Continuous variable: monthly household income of the participant (after tax) Mean = 4975.873
Main Source of Income Employment Dummy variable: participant’s main source of income is his/her own employment = 1, otherwise = 0 1 = 30.73%
Pension/Savings Dummy variable: participant’s main source of income is pension or savings = 1, otherwise = 0 1 = 42.22%
Other family members Dummy variable: participant’s main source of income is from other family members = 1, otherwise = 0 1 = 22.48%
Others Dummy variable: participant’s main source of income is from none of the three aforementioned categories = 1, otherwise = 0 1 = 4.57%
  No. of friends at place of residence Continuous variable: no. of friends at place of residence Mean = 8.4683
  Daily exercise time (min) Continuous variable: average time spent exercising daily, in minutes Mean = 66.0203
  Physical examination Dummy variable: participant has had at least one physical examination in the past year = 1, otherwise = 0 1 = 35.62%, 0 = 64.38%
  Self-rated health Categorical variable: very unhealthy = 1, unhealthy = 2, basic health values = 3, health values = 4 1 = 0.91%, 2 = 8.70%, 3 = 44.45%, 4 = 45.94%