Table 1.
Relationship between reported distance run per week and age, education, dietary intake, and running history in 7059 White male runners*
| Reported Distance Run/wk, km | Change per Kilometer Run/wk (Slope±SE) |
Significance of Linear Trend |
|||||||
|---|---|---|---|---|---|---|---|---|---|
| 0–15.9 (n=702) |
16–31.9 (n=2209) |
32–47.9 (n=2253) |
48–63.9 (n=1145) |
64–79.9 (n=495) |
≥80 (n=255) |
Probabily (P) |
t- statistic |
||
| Age, y | 44.8±10.5 | 46.4±9.6 | 46.1±9.3 | 45.9±10.0 | 44.8±9.2 | 45.1±10.0 | −0.006±0.006 | 0.28 | 1.1 |
| Education, y | 16.7±2.5 | 16.8±2.3 | 16.7±2.4 | 16.8±2.5 | 16.6±2.5 | 16.9±2.4 | 0.000±0.001 | 0.96 | 0.0 |
| Years run | 8.6±10.0 | 11.3±7.7 | 13.0±7.5 | 13.3±7.1 | 14.2±8.0 | 14.9±6.6 | 0.074±0.005 | <0.001 | 16 |
| Marathon participation>1 %±SE | 14.1 ±1.3 | 24.6 ±0.9 | 48.2 ±1.1 | 66.3 ±1.4 | 81.0 ±1.8 | 81.6 ±2.4 | <0.001 | 35 | |
| Average best time, min | 244.8 ±49.2 | 245.5 ±36.1 | 227.3 ±31.7 | 211.5 ±30.6 | 197.7 ±26.8 | 189.7 ±28.6 | −0.844±0.028 | <0.001 | 30 |
| 10-km race ≥1 %±SE | 61.8 ±1.8 | 79.0 ±0.9 | 88.7 ±0.7 | 91.6 ±0.8 | 94.1 ±1.1 | 91.8 ±1.7 | <0.001 | 15 | |
| Average best time, min | 48.6 ±7.4 | 46.2 ±6.0 | 43.3 ±5.0 | 40.8 ±4.4 | 39.1 ±4.9 | 37.7 ±4.4 | −0.146±0.004 | <0.001 | 42 |
| Resting pulse rate, beats/min | 65.3 ±9.7 | 63.8 ±10.3 | 61.7 ±10.4 | 60.7 ±10.6 | 60.1 ±10.6 | 58.1 ±10.9 | −0.089±0.008 | <0.001 | 12 |
| Alcohol intake, mL[oz]/wk | 72±102 [2.4 ±3.4] | 87±117 [2.9±3.9] | 90±120 [3.0±4.0] | 87±117 [2.9±3.9] | 84±123 [2.8±4.1] | 90±129 [3.0±4.3] | 0.003±0.002 | 0.14 | 1.5 |
| Dietary intake, servings/wk | |||||||||
| Beef, lamb or pork | 3.1 ±2.6 | 3.0±2.6 | 2.8±2.3 | 2.5±2.3 | 2.4±2.2 | 2.3±2.2 | −0.012±0.001 | <0.001 | 8.3 |
| Fish | 1.6±1.4 | 1.7±1.6 | 1.6±1.4 | 1.7±1.5 | 1.7±1.6 | 1.6±1.4 | 0.001 ±0.001 | 0.51 | 0.7 |
| Fruit | 9.9±7.5 | 10.6±7.7 | 11.3±8.4 | 11.8±8.7 | 13.2±11.7 | 12.9±11.0 | 0.044±0.005 | <0.001 | 8.8 |
| Aspirin intake, tablets/wk | 2.3±4.8 | 2.7±5.3 | 2.6±4.8 | 2.8±4.7 | 3.0±6.2 | 3.2±5.4 | 0.008±0.003 | ≤0.01 | 2.5 |
| Ascorbic acid, g/wk | 1.7±4.0 | 1.9±4.6 | 1.9±4.6 | 2.0±3.9 | 2.0±5.6 | 2.5±5.0 | 0.006±0.003 | ≤0.02 | 2.2 |
| Vitamin E, U/wk | 561.8 ±1278.1 | 588.8 ±1393.6 | 582.1 ±1527.2 | 665.2 ±1657.7 | 787.5 ±2142.0 | 918.5 ±2057.9 | 3.917±0.922 | <0.001 | 4.3 |
*
AII were nonsmoking, nonvegetarlan, and without history of heart disease or cancer. None used drugs for the control of blood pressure, cholesterol, insulin, or thyroid levels. Data are mean±SD unless otherwise indicated.