Table 2.

Cohort characteristics.

Characteristics		Total participants		Test group 1 Internet-Internet		Test group 2 Internet-phone
		N=50		N=20		N=30
		n	%	n	%	n	%
Sex
	Male	26	52	10	50	16	53
	Female	24	48	10	50	14	47
Age (years)
	18-25	8	16	4	20	4	13
	26-35	19	38	8	40	11	37
	36-40	6	12	4	20	2	7
	41+	17	34	4	20	13	43
Weight (kg)
	50-60	14	28	6	30	8	27
	61-75	24	48	9	45	15	50
	≥76	12	24	5	25	7	23
Height (cm)
	150-160	2	4	0	0	2	7
	161-170	18	36	9	45	9	30
	171-180	16	32	5	25	11	37
	≥181	14	28	6	30	8	27
Years been running a
	≤6	21	42	9	45	12	40
	≥8	29	58	11	55	18	60
Kilometers run per week a
	15-30	23	46	10	50	13	43
	31-40	14	28	5	25	9	30
	≥ 41	13	26	5	25	8	27

^aAs the participants were required to describe the average distance run per week and years of running experience within certain categories, for example, 15-20 km/week, 10+ years, no means or SD could be calculated for these variables.