Table 4.
Comparison of population attributable fractions (%) from indirect estimation and Cox regression models for black and white males
| Blacks | Whites | Difference (B-W) | |
|---|---|---|---|
| Indirect Estimation (2002) | 25.08 | 19.29 | 5.79 |
| Direct Estimation (1997–2006) | |||
| Eight-category smoking status (non-Hispanics)a | 33.10 | 29.66 | 3.43 |
| Three-category smoking status (non-Hispanics)b | 31.30 | 29.30 | 1.99 |
| Eight-category smoking status (including Hispanics)a | 32.33 | 29.13 | 3.20 |
| Three-category smoking status (including Hispanics)b | 30.76 | 28.79 | 1.97 |
a
Categories: Never-smoker, former smoker quit 30+ years ago, former smoker quit 20–29 years ago, former smoker quit 10–19 years ago, former smoker quit 5–9 years ago, former smoker quit 0–4 years ago, current smoker <1 pack per day, and current smoker 1+ packs per day
b
Categories: Never-smoker, former smoker, and current smoker.