Table 1.
Selected age-adjusted characteristics of AARP cohort (n=545,653) by red meat quintile category means and proportions*
| Characteristics | Quintile red meat, g/1000 kcal | ||||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | Q5 | |
| Men (n=322,263) | |||||
| Red meat (g/1000 kcal) | 9.3 | 21.4 | 31.5 | 43.1 | 68.1 |
| White mat (g/1000kcal) | 36.6 | 32.2 | 30.7 | 30.4 | 30.9 |
| Processed meat (g/1000kcal) | 5.1 | 7.8 | 10.3 | 13.3 | 19.4 |
| Age (years) | 62.8 | 62.8 | 62.5 | 62.3 | 61.7 |
| Race | |||||
| Non-Hispanic white (%) | 88.6 | 91.8 | 93.1 | 94.0 | 94.1 |
| Non-Hispanic black (%) | 4.2 | 3.2 | 2.7 | 2.2 | 1.9 |
| Hispanic, Asian, Pacific Islander, American | 7.2 | 5.0 | 4.2 | 3.8 | 4.0 |
| Indian, Alaskan native or unknown (%) | |||||
| Positive family history of cancer (%) | 47.0 | 47.7 | 48.4 | 48.6 | 47.8 |
| Currently married (%) | 80.8 | 84.4 | 86.1 | 86.7 | 85.6 |
| Body Mass Index, kg/m2 | 25.9 | 26.7 | 27.1 | 27.6 | 28.3 |
| Smoking history‡ | |||||
| Never smoker (%) | 34.4 | 30.5 | 28.8 | 27.6 | 25.4 |
| Former smoker (%) | 56.5 | 58.1 | 57.5 | 57.1 | 55.8 |
| Current smoker or having quit < 1 year ago (%) | 4.9 | 7.6 | 9.9 | 11.4 | 14.8 |
| Education, college graduate or post graduate (%) | 53.0 | 47.3 | 45.1 | 42.3 | 39.1 |
| Vigorous physical activity ≥ 5 times per week (%) | 30.7 | 23.6 | 20.5 | 18.6 | 16.3 |
| Dietary intake | |||||
| Energy (kcal/day) | 1899 | 1955 | 1998 | 2038 | 2116 |
| Fruit (servings/1000 kcal) | 2.3 | 1.8 | 1.6 | 1.4 | 1.1 |
| Vegetables (servings/1000 kcal) | 2.4 | 2.1 | 2.0 | 2.0 | 1.9 |
| Alcohol (g/day) | 20.2 | 20.4 | 17.6 | 15.3 | 12.5 |
| Total fat (g/1000 kcal) | 25.8 | 30.5 | 33.5 | 35.9 | 39.4 |
| Saturated fat (g/1000 kcal) | 7.6 | 9.4 | 10.5 | 11.3 | 12.7 |
| Fiber (g/1000 kcal) | 13.2 | 11.0 | 10.2 | 9.6 | 8.8 |
| Vitamin supplement use 1or more/month | 67.3 | 62.1 | 59.1 | 55.8 | 52.0 |
| Women (n=223,390) | |||||
| Red meat (g/1000 kcal) | 9.1 | 21.2 | 31.2 | 42.8 | 65.9 |
| White mat (g/1000kcal) | 37.4 | 35.6 | 34.9 | 35.1 | 35.3 |
| Processed meat (g/1000kcal) | 3.8 | 6.4 | 8.7 | 11.3 | 16.0 |
| Age (years) | 62.2 | 62.2 | 62.0 | 61.7 | 61.3 |
| Race | |||||
| Non-Hispanic white (%) | 86.2 | 89.9 | 91.0 | 91.8 | 91.4 |
| Non-Hispanic black (%) | 7.5 | 5.5 | 4.8 | 4.1 | 3.8 |
| Hispanic, Asian, Pacific Islander, American | 6.3 | 4.5 | 4.3 | 4.1 | 4.9 |
| Indian, Alaskan native or unknown (%) | |||||
| Positive family history of cancer (%) | 51.4 | 53.0 | 52.9 | 52.4 | 51.5 |
| Currently married (%) | 37.2 | 42.4 | 46.3 | 48.8 | 50.7 |
| Body Mass Index, kg/m2 | 25.6 | 26.6 | 27.1 | 27.7 | 28.4 |
| Never on hormone replacement (females only) | 46.6 | 463 | 47.1 | 48.1 | 50.5 |
| Smoking history‡ | |||||
| Never smoker (%) | 45.5 | 44.3 | 43.23 | 42.2 | 40.0 |
| Former smoker (%) | 41.8 | 39.5 | 38.1 | 37.0 | 35.4 |
| Current smoker or having quit < 1 year ago (%) | 8.8 | 12.7 | 15.3 | 17.7 | 21.2 |
| Education, college graduate or post graduate (%) | 37.1 | 30.7 | 27.7 | 25.6 | 22.7 |
| Vigorous physical activity ≥ 5 times per week (%) | 22.5 | 16.3 | 13.9 | 12.0 | 11.0 |
| Dietary intake | |||||
| Energy (kcal/day) | 1526 | 1539 | 1584 | 1613 | 1646 |
| Fruit (servings/1000 kcal) | 2.5 | 2.0 | 1.8 | 1.5 | 1.3 |
| Vegetables (servings/1000 kcal) | 2.8 | 2.5 | 2.4 | 2.3 | 2.3 |
| Alcohol (g/day) | 5.8 | 6.3 | 6.2 | 5.7 | 5.1 |
| Total fat (g/1000 kcal) | 27.7 | 32.1 | 34.7 | 37.0 | 40.1 |
| Saturated fat (g/1000 kcal) | 8.3 | 9.9 | 10.8 | 11.6 | 12.7 |
| Fiber (g/1000 kcal) | 13.8 | 11.7 | 10.9 | 10.3 | 9.5 |
| Vitamin supplement use 1 or more/month | 72.2 | 68.4 | 66.1 | 63.7 | 58.8 |
*
Generalized linear models used to estimate mean values for the continuous variables and frequencies for dichotomous proportions within each red meat intake quintile
‡
12,597 (3.9%) men and 7,885 (3.5%) women have missing smoking history data.