Table 1.
Variable | Total | Non-Hispanic Whites (91 %) | Non-Hispanic Blacks (9 %) | p Value |
---|---|---|---|---|
| ||||
N = 27,164 | N = 23,701 | N = 3,463 | ||
Smoking Behavior | ||||
Never-smoker | 33.1 | 32.8 | 35.7 | .0000 |
Former smoker, quit 0–4 years ago | 5.6 | 5.5 | 5.7 | |
Former smoker, quit 5–9 years ago | 4.4 | 4.4 | 4.5 | |
Former smoker, quit 10–19 years ago | 12.0 | 12.2 | 10.1 | |
Former smoker, quit 20–29 years ago | 11.7 | 12.0 | 8.8 | |
Former smoker, quit 30+ years ago | 13.8 | 14.5 | 7.1 | |
Current smoker, <1 pack per day | 7.3 | 6.2 | 18.1 | |
Current smoker, 1+ packs per day | 12.2 | 12.4 | 10.1 | |
Body Mass Index | ||||
Underweight, BMI <18.5 | 0.7 | 0.7 | 1.0 | .0000 |
Normal, BMI 18.5–24.9 | 27.8 | 27.6 | 30.0 | |
Overweight, BMI 25–29.9 | 46.7 | 47.1 | 42.8 | |
Obese I, BMI 30–34.9 | 18.5 | 18.5 | 18.5 | |
Obese II and III, BMI 35+ | 6.3 | 6.1 | 7.8 | |
Sociodemographic Characteristics | ||||
Mean age at baseline (SD) | 62.776 (0.069) | 62.894 (0.074) | 61.610 (0.190) | .0000 |
Marital status | ||||
Never married | 5.0 | 4.5 | 9.5 | .0000 |
Currently married | 76.3 | 78.1 | 58.6 | |
Widowed/divorced/separated | 18.7 | 17.3 | 32.0 | |
Educational attainment | ||||
Less than high school (<12 years) | 17.4 | 15.6 | 35.7 | .0000 |
High school graduate (12 years) | 31.4 | 31.5 | 30.0 | |
1–3 years of college | 23.7 | 24.0 | 20.5 | |
4+ years of college | 27.5 | 28.9 | 13.9 | |
Mean family income (10,000s) (SD) | 5.510 (0.035) | 5.653 (0.037) | 4.087 (0.105) | .0000 |
Region | ||||
Northeast | 20.2 | 20.6 | 16.1 | .0000 |
North Central | 26.6 | 27.4 | 18.4 | |
South | 37.2 | 35.2 | 57.4 | |
West | 16.0 | 16.8 | 8.1 | |
Mean Years of Follow-up | ||||
Alive (censored) | 6.130 | 6.136 | 6.071 | |
Dead | 3.807 | 3.817 | 3.732 |
Source: Authors’ calculations based on 1997–2003 NHIS data linked to the National Death Index through 2006; p values correspond to t tests and chi-square tests for the equality of means/distributions of variables between non-Hispanic black and white males.