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Table 1 Baseline descriptive statistics of all study participants, n = 3280

From: Associations between social determinants and the presence of chronic diseases: data from the osteoarthritis Initiative

Variables Frequency Percentage
Age (years)
  <  65 2020 62
  ≥ 65 1260 38
Sex
 Man 1348 41
 Woman 1932 59
Race
 Caucasian 2703 82
 African American/Asian/Other 577 18
Educational status
  ≥ High school 3183 97
  ≤ Primary school 97 3
Employment status
 Employed 2004 61
 Unemployed 1276 39
Marital status
 Married 2200 67
 Unmarried/widowed/divorced 1080 33
Household composition
 Live with others (spouse, children, or relatives) 2560 78
 Live alone 720 22
The personal income per annum in US dollars
  ≥ 50,000 2115 65
  > 50,000 1165 35
Body mass index
 Normal weight (18.5–25 kg/m2) 880 27
 Overweight/obese (≥25 kg/m2) 2391 73
Smoking history
 Never smoked 1581 48
 Current or former smoker 1699 52
Alcohol consumption
 No 1512 46
 Yes 1768 54