Table 1.
Risk Factors for Lung Cancer Among 185,017 Women, NIH-AARP Diet and Health Study, 1995–2006
| Non-diseased Subjects
|
Lung Cancer Cases
|
|||
|---|---|---|---|---|
| Number of study subjects | 181,505 | 3,512 | ||
| Person-years | 1,796,451 | 19,905 | ||
| Age at study entry-Median (IQR) | 62.58 | (8.53) | 64.44 | (7.08) |
| Race/ethnicity (% Caucasian) | 162,597 | (89.58%) | 3,245 | (92.40%) |
| Education (% post high-school training) | 117,859 | (64.93%) | 2,020 | (57.51) |
| Marital status (% currently married) | 80,451 | (44.32%) | 1,221 | (34.77%) |
| Body mass index-Median (IQR)* | 25.77 | (6.67) | 24.98 | (6.02) |
| Emphysema (% with prior diagnosis) | 4,070 | (2.24%) | 341 | (9.71%) |
| Currency and intensity of smoking (%) | ||||
| Never | 83,986 | (46.27%) | 276 | (7.86%) |
| Former, ≤20 cigarettes/day | 49,836 | (27.46%) | 731 | (20.81%) |
| Former, >20 cigarettes/day | 22,090 | (12.17%) | 778 | (22.15%) |
| Current, ≤20 cigarettes/day | 18,807 | (10.36%) | 1,081 | (30.78%) |
| Current, >20 cigarettes/day | 6,785 | (3.74%) | 646 | (18.39%) |
| Alcohol intake (%) | ||||
| 0 drinks/day | 54,327 | (29.93%) | 943 | (26.85%) |
| >0–1 drink/day | 104,086 | (57.35%) | 1,867 | (53.16%) |
| >1–3 drinks/day | 18,354 | (10.11%) | 486 | (13.84%) |
| >3 drinks/day | 4,735 | (2.61%) | 216 | (6.15%) |
| Servings of fruit (per 1000 kcal/day)-Median (IQR) | 1.71 | (1.51) | 1.39 | (1.40) |
| Serving of vegetables (per 1000 kcal/day)-Median (IQR) | 2.25 | (1.47) | 2.12 | (1.45) |
| Red meat intake (g/1000 kcal/day)-Median (IQR) | 26.32 | (24.35) | 29.834 | (25.76) |
| Processed meat intake (g/1000 kcal day)-Median (IQR) | 5.72 | (7.97) | 6.35 | (8.58) |
| Total daily energy intake (kcal)-Median (IQR) | 1457.49 | (769.45) | 1,453.01 | (836.39) |
| Vigorous physical activity 5+ times/week (%) | 29,494 | 16.25 | 435 | 12.39 |
| Usual activity throughout the day, stting all day (%) | 14,812 | 8.16 | 306 | 8.71 |
*
IQR = interquartile range