Skip to main content

Table 1 Sample demographics of combined 2005-2006 NAMCS sample, excluding BMI < 18.5 kg/m2*

From: The time burden of overweight and obesity in primary care

BMI category† Normal weight
(n = 1745)
Overweight
(n = 2011)
Obese
(n = 2612)
Age (mean ± SD) 50.7 ± 20.0a 52.8 ± 17.3b 51.1 ± 15.3c
Body mass index, kg/m2 (mean ± SD) 22.4 ± 1.7a 27.4 ± 1.5b 36.7 ± 6.6c
Gender (%)    
   Female 64.7%a 52.3%b 58.7%c
   Male 35.3%a 47.7%b 41.3%c
Race/Ethnicity (%)    
   Non-Hispanic White 69.9%a 71.5%a 65.8%b
   Non-Hispanic Black 11.6%a 11.5%a 15.7%b
   Hispanic 9.7%ab 10.8%b 12.3%bc
   Other or multi-racial 8.9%a 6.1%b 6.2%b
Insurance payer (%)    
   Private insurance 47.3%a 46.6%a 46.9%a
   Medicare 22.8%a 22.2%a 18.0%b
   Medicaid 13.8%a 12.8%ab 15.0%ac
   Self-pay 6.5%ab 7.9%b 8.9%bc
   Other/unknown 9.7%a 10.5%a 11.3%a
Time with Provider (mean ± SD) 21.3 ± 11.6a 22.0 ± 13.6a 21.4 ± 12.4a
  1. * For pairwise comparisons: columns with different superscript are significantly different from each other. T tests were used for continuous variables (PROC SURVEY MEANS) and Rao-Scott Chi-Square tests (PROC SURVEYFREQ) for categorical variables.
  2. † Normal weight = 18.5-24.9 kg/m2; overweight = 25-29.9 kg/m2; obese = ≥ 30 kg/m2.