Never-smokers (n=4159) | Former smokers (n=3601) | Current smokers (n=2075) | ||||
---|---|---|---|---|---|---|
N | Percentage or mean | N | Percentage or mean | N | Percentage or mean | |
Deceased | 307 | 5.4 | 463 | 10.0 | 473 | 19.1 |
Age at survey, years | 60.7 | 61.4 | 58.8 | |||
Female | 2807 | 67.1 | 1281 | 39.4 | 874 | 47.4 |
Education | ||||||
Less than high school | 1756 | 25.1 | 1432 | 25.0 | 1028 | 34.7 |
High school or equivalent | 1053 | 28.9 | 905 | 28.9 | 550 | 32.5 |
More than high school | 1350 | 46.0 | 1264 | 46.1 | 497 | 32.8 |
Race/ethnicity | ||||||
Hispanic | 1206 | 9.4 | 827 | 6.2 | 446 | 7.1 |
Non-Hispanic black | 886 | 9.6 | 659 | 6.9 | 613 | 12.6 |
Other | 2067 | 81.0 | 2115 | 86.9 | 1016 | 80.3 |
BMI, maximum (kg/m2) | 30.4 | 30.8 | 29.4 | |||
Obesity status at maximum | ||||||
Normal | 621 | 18.9 | 393 | 12.8 | 441 | 23.2 |
Overweight | 1469 | 36.1 | 1344 | 38.6 | 779 | 36.4 |
Obese class I | 1196 | 26.2 | 1119 | 29.7 | 561 | 27.2 |
Obese class II | 873 | 18.8 | 745 | 18.9 | 294 | 13.2 |
Age at maximum BMI | 51.3 | 51.9 | 46.6 | |||
Smoking intensity (packs/day) | ||||||
0 to <1 | 1448 | 36.3 | 934 | 35.0 | ||
1 to <2 | 1241 | 36.3 | 804 | 45.4 | ||
>2 | 711 | 22.4 | 206 | 14.4 | ||
Missing | 201 | 5.1 | 131 | 5.2 |
Categories of BMI are normal weight (18.5–24.9 kg/m2); overweight (25.0–29.9 kg/m2); obese class 1 (30.0–34.9 kg/m2); and obese class 2 (35.0 kg/m2 or greater). Never-smokers are defined as those having smoked less than 100 cigarettes in their lifetime. The characteristics pertain to persons aged 50–74, surveyed in years 1988–2004 with mortality follow-up through 2006. Age at maximum BMI is calculated using data from the NHANES continuous waves only as this question was not asked in the NHANES III. Estimates of means and percentages incorporate NHANES sample weights. Sources: NHANES.
BMI, body mass index; NHANES, National Health and Nutrition Examination Survey.