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Table 1 Baseline characteristics of the study population

From: Body Mass Index and Employment-Based Health Insurance

BMI range, in kg/m2 18.5–24.9
(n = 4,243)
25.0–29.9
(n = 4,278)
≥ 30.0
(n = 3,362)
Mean age, years (SE) 37 (0.2) 41 (0.2) 42 (0.2)
Gender    
   female (n = 5,743) 60 (1.0) 40 (0.7) 51 (0.9)
   male (n = 6,140) 40 (1.0) 60 (0.7) 49 (0.9)
Race/ethnicity, % (SE)    
   white 69 (1.1) 67 (1.1) 64 (1.3)
   Hispanic 11 (0.7) 15 (0.8) 14 (0.9)
   African American 10 (0.7) 12 (0.7) 18 (1.0)
   other 10 (0.7) 6 (0.5) 5 (0.5)
Marital status, % (SE)    
   never 35 (1.0) 25 (0.8) 24 (1.0)
   married 52 (1.1) 59 (1.0) 59 (1.1)
   widowed/divorced 13 (0.7) 15(0.7) 17 (0.9)
Spouse offered EBHI, % (SE)    
   yes 26 (0.9) 28 (1.0) 27 (1.0)
   no 74 (0.9) 72 (1.0) 73 (1.0)
Mean number of dependents, (SE) 1.30 (0.03) 1.37 (0.03) 1.37 (0.03)
Family income, % (SE)    
   low 19 (0.8) 19 (0.8) 22 (0.9)
   medium 33 (1.1) 32 (1.0) 39 (1.1)
   high 48 (1.2) 49 (1.2) 39 (1.3)
Completed years of education, % (SE)    
   <12 13 (0.6) 14 (0.7) 15 (0.7)
   = 12 28 (1.0) 31 (1.0) 36 (1.1)
   >12 59 (1.2) 55 (1.2) 49 (1.2)
Metropolitan area residency, % (SE)    
   yes 85 (1.3) 84 (1.3) 83 (1.3)
   no 15 (1.3) 16 (1.3) 17 (1.3)
Region of residency, % (SE)    
   northeast 20 (1.0) 19 (1.0) 16 (1.1)
   midwest 24 (1.2) 23 (1.3) 23 (1.3)
   south 33 (1.6) 36 (1.4) 41 (1.5)
   west 23 (1.4) 22 (1.2) 20 (1.2)
  1. Notes: Percentages and means are based on weighted and unadjusted data. P values for overall group comparison based on χ2 tests. All P values <0.001, except age between overweight and obese (<0.05). Differences in number of dependents between overweight and obese were non-significant. Differences among groups based on metropolitan area residency and whether spouse held a job with EBHI were non-significant. Column totals may not add up to 100 due to rounding.