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Table 2 Descriptive statistics of sample population with 95% confidence intervals, BRFSS 2000-2006

From: Associations of supermarket accessibility with obesity and fruit and vegetable consumption in the conterminous United States

  Metro (n = 1,220,025) Nonmetro (n = 552,787)
Age (≥ 18 years)   
   Mean (SE) 44.9 (0.03) 47.1 (0.05)
Sex, %   
   Male 48.4 [48.2, 48.6] 48.1 [47.8, 48.3]
   Female 51.6 [51.4, 51.8] 51.9 [51.7, 52.2]
Race/ethnicity, %   
   White 68.6 [68.4, 68.8] 83.0 [82.8, 83.2]
   Black 10.4 [10.3, 10.5] 6.5 [6.4, 6.6]
   Hispanic 12.4 [12.3, 12.6] 5.0 [4.9, 5.2]
   Asian 3.7 [3.6, 3.8] 0.8 [0.7, 0.9]
   American Indian 1.2 [1.1, 1.3] 1.7 [1.7, 1.8]
   Other 3.6 [3.5, 3.7] 2.9 [2.8, 2.9]
Education, %   
   < High school 11.6 [11.4, 11.7] 14.9 [14.7, 15.1]
   High school 28.3 [28.2, 28.5] 38.5 [38.3, 38.8]
   Some college 27.0 [26.8, 27.1] 25.9 [25.6, 26.1]
   College graduate 32.9 [32.8, 33.1] 20.6 [20.4, 20.8]
   No response 0.2 [0.2, 0.3] 0.1 [0.1, 0.2]
Income, %   
   < $15,000 8.9 [8.8, 9.1] 11.2 [11.1, 11.4]
   $15,000-$24,999 14.2 [14.1, 14.3] 18.8 [18.6, 19.0]
   $25,000-$49,999 26.0 [25.9, 26.2] 31.2 [30.9, 31.4]
   $50,000-$74,999 15.6 [15.5, 15.7] 13.8 [13.6, 13.9]
   ≥ $75,000 22.4 [22.2, 22.5] 11.0 [10.8, 11.1]
   No response 12.9 [12.8, 13.0] 14.0 [13.8, 14.3]
Obesity, %   
   BMI ≥ 30 kg/m2 21.3 [21.2, 21.4] 24.6 [24.4, 24.8]
F/V consumption, %   
   ≥ 5 servings per day 24.2 [24.0, 24.3] 21.5 [21.2, 21.7]
  1. Note: Mean and proportions were weighted. If confidence intervals do not overlap between metropolitan and nonmetropolitan areas, percentages are different. Sample size for F/V consumption in metropolitan and nonmetro counties was 665,410 and 314,505, respectively.