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Table 2 Multivariable linear regression analysis for self-rated health in North Korean defectors

From: Factors associated with self-rated health among North Korean defectors residing in South Korea

  Beta P-value VIF
Gender (ref. male)    
  Female -.154 <.001 1.111
Age (years) -.184 <.001 1.167
Marital status (ref. single)
  Married -.043 .303 1.025
  Divorced/separated/widowed .007 .874 1.222
Education in NK (ref. elementary school graduate)
  Secondary school graduate -.008 .843 1.049
  Some college or higher .017 .687 1.064
Religion (ref. no)
  Yes -.056 .181 1.036
Job (ref. no)
  Yes .048 .307 1.300
*ln (annual household income) .102 .017 1.095
Health insurance type (ref. Medical Aid)    
  National Health Insurance .057 .184 1.119
Exile duration (ref. <5 years)
  5≤ ~ <10 years -.001 .985 1.038
  ≥10 years .053 .211 1.098
Residence period in SK (ref. <18 months)    
  ≥18 months .096 .021 1.019
Satisfaction with SK government support .094 .037 1.204
Life satisfaction .141 .001 1.166
Traumatic experience in NK .089 .039 1.112
Traumatic experiences during escape -.006 .901 1.308
Disability (ref. no)
  Yes -.074 .077 1.041
Chronic disease (ref.no)
  Yes -.460 <.001 1.171
Drinking (ref. not drinking)
  Once a month or less .066 .117 1.067
  Twice a month or more .035 .445 1.223
  1. F-value = 32.64 (P <.001).
  2. R2 (adjusted R2) = .434 (.421).
  3. Number of observations = 498.
  4. *Natural logarithmic transformation was applied to annual household income (amount of Korean won).
  5. ref. reference; NK, North Korea; SK, South Korea; KRW, Korean won; VIF, variance inflation factor.