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Table 1 Percentage distribution of variables in the study in China and Korea

From: Associations of socioeconomic and religious factors with health: a population-based, comparison study between China and Korea using the 2010 East Asian social survey

Variable China Korea p-value
Self-rated health    **
 Poor 18.6 22.3  
 Good 24.0 25.7  
 Excellent 57.4 52.0  
Education    ***
 Elementary school/lower 37.2 13.0  
 Junior high school 30.5 9.2  
 Senior high school 17.1 30.1  
 College/higher 15.2 47.7  
Employment
 Not employeda 34.9 37.3  
 Employed 65.1 62.7  
Household income
 Lowest quartile 21.8 21.6  
 2nd lowest quartile 21.3 21.9  
 2nd highest quartile 22.1 22.5  
 Highest quartile 21.9 23.3  
 Missing 12.9 10.7  
Self-assessed social class    ***
 Lowest 19.5 10.8  
 Low 34.7 31.4  
 High 40.7 45.4  
 Highest 5.1 12.4  
Religion    ***
 Christian 2.3 31.8  
 Buddhist 4.3 24.3  
 Othersb 93.4 43.9  
sex
 Female 51.6 52.2  
 Male 48.4 47.8  
Age (years)    ***
 20–29 12.9 16.3  
 30–39 19.3 25.1  
 40–49 24.8 24  
 50–59 19.9 15.5  
 60–69 13.4 10.6  
 ≥70 9.7 8.5  
Marital status    ***
 Never married 8.2 21.4  
 Formerly marriedc 10.2 11.4  
 Married 81.6 67.2  
Chronic disease    **
 Yes 34.6 29.8  
 No 65.4 70.2  
Current smoking    *
 Yes 31.1 27.5  
 No 68.9 72.5  
Drinking frequency d    ***
 Frequent 17.3 30.4  
 None or infrequent 82.7 69.6  
Body mass index e    ***
 Underweight 11.0 6.8  
 Nomal weight 67.7 70.2  
 Overweight 18.8 20.8  
 Obese 2.5 2.2  
Physical exercise    ***
 Yes 46.7 73.5  
 No 53.3 26.5  
Health insurance    ***
 Yes 88.8 100.0  
 No 11.2 0.0  
Unmet medical need    ***
 Yes 40.4 19.8  
 No 59.6 80.2  
Generalized trust    ***
 Low 32.3 56.5  
 High 67.7 43.5  
Emotional support    ***
 Yes 73.9 53.6  
 No 11.2 12.9  
 Do not have such needs 14.9 33.5  
Instrumental support    ***
 Yes 69.8 35.2  
 No 11.7 29  
 Do not have such needs 18.5 35.8  
N 3629 1351  
  1. Note: †p < 0.10; *p < 0.05; **p < 0.01; ***p < 0.001
  2. P-values are based on Chi-squared test statistic
  3. a’Not employed’ includes the unemployed, the retired, the permanently disabled out of labour force, students and housewives
  4. b’Formerly married’ includes widowed, divorced and separated
  5. c’Frequent’ drinking includes daily or drinking several times a week. ‘None or infrequent’ drinking includes drinking less than several times a month and nondrinking