Table 1. Sample characteristics (±SD).

	Runners		Walkers
	Male	Female	Male	Female
Sample (N)	17201	16173	3434	12384
Age (years)	54.56±11.04	47.46±10.69	66.97±11.26	58.79±12.09
Education (years)	16.79±2.49	16.36±2.31	16.27±2.78	15.29±2.55
Smokers (%)	1.15	1.50	2.85	2.93
Meat (servings/day)	0.46±0.45	0.31±0.44	0.47±0.48	0.39±0.41
Fruit (pieces/day)	1.52±2.03	1.59±1.52	1.59±2.19	1.60±1.32
Alcohol (g/day)	11.22±14.96	7.14±9.65	9.13±13.70	5.20±10.56
BMI (kg/m2)	24.83±3.17	22.27±3.15	27.00±4.73	26.07±5.61
Medication use (%)
Hypertension	16.99	7.27	43.10	27.76
High cholesterol	24.69	10.36	43.19	29.97
Diabetes	1.54	0.78	10.75	4.97
Running
Distance (Km/d)	4.00±3.10	3.48±2.98
Duration (hours)	0.49±0.46	0.46±0.48
RunningDistance (METhr/d from self-reported distance)	4.02±3.17	3.48±3.04
% of total METs	54.78±33.26	44.94±32.12
RunningTime (METhr/d from self-reported duration)	5.58±5.39	4.96±5.29
Walking
Distance (Km/d)			2.88±2.44	2.67±2.33
Duration (hours)			0.66±0.67	0.63±0.64
WalkingDistance (METhr/d from self-reported distance)			2.11±1.92	1.98±1.86
% of total METs			63.86±36.20	60.06±35.81
WalkingTime (METhr/d from self-reported duration)			2.78±2.93	2.71±2.91
% of total METs			63.65±36.35	61.48±35.89
Other exercise METhr/d
Total	3.96±5.01	4.70±4.88	2.49±4.26	2.44±3.74
Other vigorous intensity	2.28±4.31	2.56±4.02	1.61±3.51	1.60±3.24
Light and moderate intensity	1.68±2.49	2.14±2.65
Other moderate intensity			0.80±2.19	0.74±1.76
Light intensity			0.08±0.71	0.09±0.45