Variable | Sample (Unweighted) | Population (Weighted) |
---|---|---|
 | n | % (95% CI) |
Sex | Â | Â |
 Female | 2289 | 50.0 (49.2, 50.7) |
  Male | 2109 | 50.0 (49.6, 50.5) |
Age | Â | Â |
 12-19 years | 950 | 12.0 (11.6, 12.4) |
 20-59 years | 2375 | 69.7 (69.1, 70.4) |
 60-79 years | 1073 | 18.3 (18.0, 18.5) |
Ethnicity | Â | Â |
 White | 3696 | 81.7 (74.4, 88.8) |
 Non-White | 696 | 18.3 (11.0, 25.5) |
Sun Exposure | Â | Â |
 < 30 min/d | 833 | 19.2 (16.1, 22.2) |
 ≥ 30 min/d and < 2 h/d | 1210 | 27.5 (24.5, 30.4) |
 ≥ 2 h/d | 2350 | 53.4 (48.6, 58.0) |
Sunscreen Use* | Â | Â |
 Never or rarely | 1754 | 49.3 (45.4, 53.0) |
 Sometimes | 672 | 18.9 (16.9, 21.0) |
 Often or always | 1134 | 31.9 (28.7, 35.0) |
Vitamin D Supplementation | Â | |
 No | 3826 | 85.1 (78.8, 88.5) |
 Yes | 572 | 14.9 (12.4, 20.4) |
Milk Consumption | Â | Â |
 < Once/d | 1790 | 42.9 (40.7, 45.2) |
 Once/d | 1425 | 33.7 (32.5, 34.9) |
 > Once/d | 1183 | 23.4 (21.1, 25.8) |
Salt Water Fish Consumption | Â | Â |
 < Once/week | 2178 | 49.7 (45.9, 53.5) |
 Once/week | 1164 | 25.8 (24.0, 27.6) |
 > Once/week | 1056 | 24.5 (21.5, 27.5) |
Body Mass Index | Â | Â |
 < 25 kg/m2 | 1930 | 42.3 (37.7, 46.6) |
 ≥ 25 and < 30 kg/m2 | 1453 | 34.7 (31.5, 37.2) |
 ≥ 30 kg/m2 | 983 | 23.0 (19.6, 25.9) |
Physical Activity Index | Â | Â |
 Inactive | 2120 | 51.8 (46.3, 57.4) |
 Moderately Active | 1107 | 24.5 (21.8, 27.1) |
 Active | 1170 | 23.7 (20.1, 27.3) |
Cigarette Smoking | Â | Â |
 Non-Smoker | 3605 | 80.0 (77.0, 82.2) |
 Current Smoker | 792 | 20.0 (18.1, 22.7) |
Alcohol Use | Â | Â |
 Non-Drinker | 1007 | 18.0 (16.4, 20.3) |
 Current Drinker | 3390 | 82.0 (79.9, 83.4) |
Season | Â | Â |
 January to March | 896 | 21.8F (0.0, 43.6) |
 April to June | 1269 | 31.4F (4.7, 58.1) |
 July to September | 1063 | 20.5F (5.8, 35.2) |
 October to December | 1170 | 26.3F (8.0, 44.6) |
Latitude | Â | Â |
 43-44 oN | 1615 | 38.8 (37.8, 39.8) |
 45-47 oN | 1548 | 30.9 (30.7, 31.1) |
 49-54 oN | 1235 | 30.3 (29.8, 30.8) |