TABLE 1.
Fish intake (servings) |
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Characteristic | <1/mo (n = 4832) | 1–3/mo (n = 9017) | 1/wk (n = 39,841) | 2–4/wk (n = 9292) | ≥5/wk (n = 2233) |
Age (y)2 | 36.0 ± 4.8 | 36.2 ± 4.7 | 36.2 ± 4.6 | 36.5 ± 4.5 | 36.7 ± 4.5 |
BMI (kg/m2) | 24.3 ± 5.3 | 24.3 ± 5.2 | 24.4 ± 5.0 | 24.9 ± 5.4 | 25.2 ± 5.6 |
Waist circumference (1993) (cm) | 78.1 ± 13.0 | 77.9 ± 12.6 | 77.7 ± 12.3 | 78.6 ± 13.0 | 78.2 ± 12.9 |
Physical activity (METs3) | 18.1 ± 25.5 | 17.8 ± 23.9 | 20.3 ± 25.5 | 24.3 ± 29.1 | 30.6 ± 37.2 |
Smoking status (%) | |||||
Never | 70.1 | 69.7 | 66.5 | 63.7 | 62.0 |
Past | 19.2 | 19.9 | 22.3 | 25.3 | 25.7 |
Current | 10.5 | 10.4 | 10.9 | 10.9 | 12.1 |
Alcohol (g/d) | 2.2 ± 5.7 | 2.4 ± 5.4 | 3.3 ± 6.1 | 3.7 ± 6.5 | 4.0 ± 6.8 |
Vitamin B-12 intake (μg/d) | 8.8 ± 12.6 | 9.1 ± 11.2 | 9.5 ± 10.8 | 10.5 ± 10.6 | 13.1 ± 28.4 |
Folate intake (μg/d) | 476 ± 320 | 470 ± 312 | 474 ± 285 | 496 ± 275 | 520 ± 261 |
Potassium intake (mg/d) | 2766 ± 595 | 2784 ± 526 | 2931 ± 498 | 3123 ± 518 | 3362 ± 585 |
Magnesium intake (mg/d) | 301 ± 87 | 297 ± 74 | 314 ± 69 | 340 ± 71 | 370 ± 79 |
Retinol activity equivalents intake (μg/d) | 1571 ± 1569 | 1563 ± 1440 | 1576 ± 1298 | 1662 ± 1292 | 1819 ± 1469 |
History of hypertension (%) | 6.6 | 5.9 | 5.5 | 7.4 | 8.3 |
History of diabetes (%) | 0.7 | 0.8 | 0.8 | 0.7 | 1.0 |
History of tinnitus (%) | 9.8 | 9.5 | 8.4 | 8.4 | 7.2 |
White race (%) | 93.9 | 94.1 | 94.2 | 93.5 | 89.4 |
Aspirin use ≥2 d/wk (%) | 4.4 | 4.3 | 4.3 | 4.3 | 4.3 |
Ibuprofen use ≥2 d/wk (1995) (%) | 9.9 | 9.0 | 9.0 | 9.5 | 9.9 |
Acetaminophen use ≥2 d/wk (1995) (%) | 7.3 | 7.5 | 7.4 | 7.5 | 8.0 |
Values are means ± SDs unless otherwise indicated and are standardized to the age distribution of the study population. Values of polytomous variables may not sum to 100% because of rounding.
Value is not age adjusted.
METs, metabolic equivalents from recreational and leisure-time activities.