| LAN at 1996 | ||||
---|---|---|---|---|---|
Characteristics | Q1 | Q2 | Q3 | Q4 | Q5 |
LAN, nW/cm2/sr, Median (Range) | 5.3 (0.7, 9.6) | 14.2 (9.7, 20.2) | 27.2 (20.3, 35.1) | 44.6 (35.2, 57.0) | 73.8 (57.1, 220.7) |
Age at baseline, year, mean (SD) | 62.0 (5.3) | 61.9 (5.3) | 61.9 (5.3) | 62.0 (5.3) | 61.8 (5.4) |
BMI, kg/m2, mean (SD) | 27.0 (4.4) | 27.0 (4.5) | 26.8 (4.4) | 26.9 (4.6) | 27.0 (4.8) |
Female, % | 37.9 | 38.2 | 39.0 | 41.7 | 46.2 |
White, non-Hispanic, % | 96.3 | 95.0 | 94.0 | 92.8 | 84.5 |
College and post-college, % | 38.0 | 44.2 | 48.0 | 47.0 | 41.5 |
Married, % | 78.2 | 74.4 | 71.9 | 68.3 | 59.4 |
Obesity (at baseline), % | 20.5 | 20.5 | 19.8 | 20.4 | 22.3 |
Smoking, % | |||||
 Current | 9.2 | 8.9 | 9.0 | 9.1 | 10.7 |
 Never | 38.4 | 37.9 | 38.3 | 38.4 | 37.9 |
Physical activity ≥5 times/week, % | 21.6 | 20.8 | 20.3 | 19.6 | 18.2 |
TV viewing ≤2 h/day, % | 35.8 | 36.6 | 38.7 | 38.3 | 36.1 |
Nighttime sleep 7–8 h, % | 46.9 | 45.0 | 44.2 | 43.3 | 40.1 |
Alcohol consumption, g/day, mean (SD) | 13.1 (35.4) | 12.9 (32.9) | 13.0 (32.7) | 12.7 (33.5) | 12.0 (35.6) |
Total energy, kcal/d, mean (SD) | 1883 (886) | 1849 (832) | 1830 (839) | 1811 (867) | 1826 (944) |
HEI-2005 score, mean (SD) | 66.9 (11.1) | 67.3 (11.0) | 67.6 (11.0) | 67.8 (11.1) | 67.5 (11.3) |
Self-reported health, excellent, % | 17.9 | 19.4 | 20.2 | 19.6 | 17.8 |
Chronic conditions, % | |||||
 Heart disease | 12.6 | 12.2 | 11.8 | 11.7 | 11.3 |
 Stroke | 1.6 | 1.5 | 1.4 | 1.5 | 1.4 |
 Cancer | 7.6 | 7.7 | 8.0 | 8.0 | 7.6 |
 Diabetes | 7.1 | 7.2 | 7.0 | 7.0 | 7.8 |
Census tract median home value, 1kUSD, mean (SD) | 154 (121) | 190 (157) | 214 (159) | 213 (149) | 198 (145) |
Census tract poverty rate, percentage, mean (SD) | 8.5 (6.0) | 6.9 (5.8) | 6.6 (5.9) | 7.1 (6.1) | 10.3 (8.0) |
Census tract population density, per km2, mean (SD) | 304 (428) | 898 (740) | 1416 (1079) | 1999 (1392) | 3685 (3222) |