Table 1.
NHANES Survey Period | |||||
---|---|---|---|---|---|
1988–1994 | 1999–2002 | 2003–2006 | 2007–2010 | 2011–2014 | |
N | 8,494 | 5,278 | 5,167 | 6,857 | 6,354 |
Age, years | 52.9 | 52.5 | 53.0 | 53.3 | 54.0 |
Sex, male | 47.9 | 48.8 | 48.4 | 49.0 | 48.5 |
Race/ethnicity | |||||
Non-Hispanic white | 80.4 | 75.6 | 76.2 | 73.2 | 69.9 |
Non-Hispanic black | 9.2 | 9.6 | 10.1 | 10.0 | 10.3 |
Hispanic | 7.6 | 11.5 | 9.0 | 10.8 | 12.5 |
Other | 2.8 | 3.4 | 4.7 | 6.0 | 7.3 |
Education | |||||
Less than high school | 25.2 | 20.9 | 16.1 | 18.3 | 15.6 |
High school | 33.7 | 25.1 | 26.7 | 24.1 | 20.8 |
More than high school | 41.1 | 54.1 | 57.2 | 57.7 | 63.6 |
Smoking Status | |||||
Never | 41.1 | 46.6 | 47.2 | 51.7 | 52.7 |
Former | 33.6 | 30.9 | 29.5 | 28.5 | 27.8 |
Current | 25.3 | 22.5 | 23.3 | 19.8 | 19.5 |
Abdominal Adiposity | |||||
Weight Circumference, cm | 95.2 | 97.9 | 99.5 | 100.2 | 101.2 |
General Adiposity | |||||
Current BMI, kg/m2 | 27.3 | 28.4 | 28.9 | 29.1 | 29.3 |
BMI 10 Years Prior, kg/m2 | 25.5 | 26.1 | 26.7 | 27.0 | 27.7 |
BMI at Age 25, kg/m2 | 23.1 | 23.4 | 23.7 | 23.9 | 24.3 |
Maximum BMI, kg/m2 | 29.3 | 30.5 | 31.2 | 31.3 | 31.9 |
BMI: Body mass index. Never smokers are defined as individuals who reported smoking less than 100 cigarettes during their lifetime. BMI and waist circumference were measured in the examination component of the NHANES. BMI was calculated using data on height and weight. BMI 10 years prior, at age 25 and at maximum were calculated using recalled data on weight combined with height measured at the time of the survey. Estimates are adjusted for sample weights.