Table 1.
Baseline participant characteristics according to TV viewing category: among 221,426 participants at baseline: NIH-AARP Diet and Health Study
| TV viewing category | |||||
|---|---|---|---|---|---|
| <1 h/d | 1–2h/d | 3–4h/d | 5–6h/d | ≥7 h/d | |
| N | 16,798 | 67,657 | 97,255 | 30,791 | 8,925 |
| Age (yrs) | 60.8 ± 5.4 | 61.9 ± 5.4 | 62.8 ± 5.3 | 63.5 ± 5.1 | 63.2 ± 5.2 |
| BMI (kg/m2) | 25.3 ± 4.0 | 26.2 ± 4.1 | 26.9 ± 4.4 | 27.6 ± 4.8 | 28.2 ± 5.3 |
| Female (%) | 47 | 41 | 42 | 46 | 52 |
| White (%) | 95 | 94 | 93 | 92 | 88 |
| Black (%) | 1 | 2 | 3 | 5 | 7 |
| Some college or college graduate (%) | 84 | 75 | 64 | 55 | 47 |
| Married or living as married (%) | 66 | 71 | 70 | 65 | 58 |
| Obesity, BMI >30, (%) | 11 | 15 | 20 | 25 | 30 |
| Current smoker (%) | 6 | 8 | 11 | 14 | 18 |
| Dietary intake | |||||
| Calories (kcal/day) | 1739.8 ± 702 | 1779 ± 737 | 1820 ± 761 | 1875 ± 817 | 1931 ± 900 |
| Alcohol intake (g/day) | 11.0 ± 24.2 | 12.3 ± 28.5 | 12.8 ± 30.6 | 13.3 ± 34.2 | 13.6 ± 38.9 |
| HEI-2005 total score | 69.7 ± 10.4 | 68.3 ± 10.8 | 66.9 ± 11.2 | 65.3 ± 11.7 | 64.1 ± 12.2 |
| Physical activity and sleep (%) | |||||
| MVPA >7h/wk | 30 | 32 | 27 | 26 | 24 |
| Sleep <7 h/day | 30 | 32 | 33 | 36 | 41 |
| Health status at baseline (%) | |||||
| Excellent | 38 | 27 | 20 | 16 | 14 |
| Hypertension | 25 | 31 | 35 | 39 | 42 |
| High cholesterol | 56 | 51 | 47 | 44 | 43 |
| Diabetes | 3 | 4 | 6 | 8 | 9 |
| Bone fracture after 45y | 6 | 6 | 6 | 7 | 7 |
| Osteoporosis | 3 | 3 | 3 | 3 | 4 |