Table 1 Distribution of selected characteristics of women with and without melanoma in the NIH-AARP Diet and Health Study
Characteristic | % of women | |
|---|---|---|
No melanoma (n = 165,651)a | Melanoma (n = 1061) | |
Age at entry, years | ||
Mean | 62.2 | 62.6 |
SD | 5.3 | 5 |
Person-years at risk | ||
Mean | 13.8 | 7.8 |
SD | 3.9 | 4.4 |
Educationb | ||
Less than high school | 6 | 3 |
High school graduate | 26.6 | 24.1 |
Some college | 35.7 | 36.1 |
College or graduate school | 29 | 33.7 |
Missing | 2.8 | 3 |
Marital status | ||
Married | 44.9 | 46 |
Widowed | 23.3 | 22.7 |
Divorced/separated | 24.8 | 24.9 |
Never married | 6.5 | 5.8 |
Missing | 0.7 | 0.7 |
Body mass index, kg/m2 b | ||
Normal, >18.5–<25 | 42.3 | 46.3 |
Overweight, 25–<30 | 31.5 | 33.6 |
Obese, 30–<60 | 21.8 | 18.2 |
Missing or extreme | 4.5 | 2 |
Physical activity in the past 12 monthsb | ||
Never/rarely | 22.4 | 17.3 |
1–3 times/month | 14.3 | 14.7 |
1–2 times/week | 21.1 | 20.8 |
3–4 times/week | 24.9 | 27.8 |
≥5 times/week | 16.4 | 18.4 |
Missing | 0.9 | 0.9 |
Physical activity ages 15–18 years | ||
Never/rarely | 16.5 | 13.9 |
1–3 times/month | 8.9 | 8 |
1–2 times/week | 17.6 | 18.9 |
3–4 times/week | 24.1 | 25.5 |
≥5 times/week | 32.1 | 32.9 |
Missing | 0.6 | 0.8 |
Smoking statusb | ||
Nonsmokers | 43.4 | 44.8 |
Former | 38.9 | 41.5 |
Current | 14.6 | 10.2 |
Missing | 3 | 3.6 |
Family history of cancer | ||
No | 43.3 | 41.9 |
Yes | 52.2 | 54 |
Missing | 4.6 | 4.1 |
Colonoscopy/sigmoidoscopy in the past 3 yearsc | ||
No | 42.9 | 44.3 |
Yes | 20.9 | 21.5 |
Missing | 36.2 | 34.2 |
Ambient UVR quartile, J/m2 | ||
Q1 (176–186) | 25.1 | 22.9 |
Q2 (187–239) | 24.5 | 22.7 |
Q3 (240–253) | 22.7 | 23.7 |
Q4 (254–290) | 27.7 | 30.7 |
