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Table 1 Descriptive statistic of the total study population (N = 9,668)

From: Determinants of and socio-economic disparities in self-rated health in China

Variables Category Number Percent
Dependent variable
 Self-rated health Good SRH 6,285 65.01
  Poor SRH 3,383 34.99
Independent variables
Demographic characteristics
 Gender Female 4,724 48.86
  Male 4,944 51.14
 Age group 18–29 1,161 12.01
  30–39 1,645 17.01
  40–49 2,119 21.92
  50–59 1,911 19.77
  60–69 1,635 16.91
  70+ 1,197 12.38
 Ethnicity Other ethnic minorities 786 8.13
  Han nationality 8,882 91.87
 Marital status Divorced, separated, or widowed 970 10.03
  Married 7,812 80.80
  Single 886 9.16
 Residence Rural 3,779 39.09
  Urban 3,549 36.71
  Suburban 2,340 24.20
 Regions West 2,446 25.30
  East 3,536 36.57
  Middle 2,337 24.17
  Northeast 1,349 13.95
Socio-economic status
 Education degree Primary or no education 3,352 34.67
  Secondary education 4,746 49.09
  College or higher 1,570 16.24
 Work status Not working 3,451 35.70
  Non-farm work 4,024 41.62
  Farm work 2,193 22.68
 Household Income (RMB/dollars) ≤¥9,999 (or ≤ $ 1,640) 980 10.14
  ¥10,000–49,999 (or $1,640–8,201) 4,399 45.50
  ¥50,000–99,999 (or $8,201–16,402) 2,867 29.65
  ≥¥100,000 (or ≥ $16,402) 1,422 14.71
 Self-rated social class Low (score 1–3) 2,863 29.61
  Middle (score 4–5) 6,056 62.64
  High (score 6–10) 749 7.75
 Socio-economic status compared with peers Lower 3,318 34.32
  Higher 450 4.65
  Similar 5,525 57.15
  Hard to say 375 3.88
Lifestyle factors
 BMI Normal weight 6,698 69.28
  Underweight 833 8.62
  Over weight 1,911 19.77
  Obese 226 2.34
 Physical activity Inactive 6,775 70.08
  Active 2,893 29.92
Psychosocial factors
 Life satisfaction Happy life 7,071 73.14
  Unhappy life 852 8.81
  Average 1,745 18.05
 Depression Severe 770 7.96
  Mild 1,937 20.04
  Few or no 6,961 72.00
 Relations with families and friends Good 5,029 52.02
  Poor 1,293 13.37
  Normal 3,346 34.61