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Table 2 Factors associated with catastrophic health expenditure occurrence

From: Association between chronic disease and catastrophic health expenditure in Korea

Variables Unadjusted Adjusted
OR 95% CI OR 95% CI
Sex of head of household
 Male 1.000   1.000  
 Female 1.825 (1.354–2.459) 0.495 (0.340–0.721)
Age of head of household
 20–39 1.000   1.000  
 40–59 0.286 (0.200–0.408) 0.667 (0.453–0.982)
 60–79 1.989 (1.495–2.645) 1.062 (0.749–1.507)
Economic level of household
 Third quintile 1.000   1.000  
 Second quintile 4.143 (1.392-12.332) 1.555 (1.540-1.570)
 First quintile 65.064 (24.167-175.164) 16.375 (16.322-16.429)
Education level of head of household
 Greater than college 1.000   1.000  
 Less than elementary school 6.237 (4.182–9.300) 0.808 (0.501–1.304)
 Middle school 3.622 (2.256–5.815) 0.796 (0.470–1.348)
 High school 1.595 (1.020–2.494) 0.734 (0.452–1.191)
Head of household’s job type
 Regular employee 1.000   1.000  
 Temporary employee 1.488 (1.028–2.155) 0.842 (0.564–1.259))
 Employer/owner operator 2.066 (1.548–2.759) 0.975 (0.705–1.348)
 Unpaid family worker 1.507 (0.361–6.293) 0.552 (0.126–2.411)
Household composition
 Adult household (15–64 years old) 1.000   1.000  
 Senior citizen who lives alone 5.677 (3.598–8.957) 1.720 (0.955–3.098)
 Elderly household 11.750 (5.793–23.836) 2.775 (1.238–6.219)
Type of medical insurance
 Self-employed or employees 1.000   1.000  
 Medical aid beneficiaries 1.198 (0.690–2.078) 0.283 (0.160–0.502)
 Uninsured, self-pay 1.383 (0.503–3.806) 0.494 (0.165–1.476)
Chronic disease present in household?
 No 1.000   1.000  
 Yes 14.223 (6.316–32.030) 7.524 (3.285–17.233)