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Table 1 Coding of used variables

From: Universal health coverage in the context of population ageing: What determines health insurance enrolment in rural Ghana?

  Variable Coding
Dependent Variable NHIS enrolment Coded dichotomously yes – having a valid NHIS card – and no – not having a valid NHIS card
Community level variables Hospital in community Coded dichotomously. Reference: None
Healthcare clinic in community Coded dichotomously. Reference: None
Motorable road passes through community Coded dichotomously. Reference: None
Region Included the 10 regions in Ghana with Upper West used as reference
Household level variables Standard of living Expenditure quintile. Reference category: Poorest (1st quintile)
Employment status of head Converted into 4 categories: employee public, employee private, self-employed, other inactive. Reference category: employee public
Internet access Coded dichotomously using the category no access as reference
Household size Log household size
Individual level variables Sex Coded dichotomously using the category male as reference
Education Converted into 3 categories from none to secondary/ higher education with no education as reference category
Marital status Grouped into 3 categories: married/cohabiting, never married/separated/divorced and widowed. Reference category: married/cohabiting
Disability Coded dichotomously into yes - suffering from disabilities that limit his/her full participation in life activities - and no – not suffering from disabilities that limit his/her full participation in life activities. Latter was used as the reference category
Religion Grouped into none (reference category), Christian and Muslim
Ethnicity Grouped into seven categories. Reference category: Akan