(a).

	Trail use
	Very often/often (%)	Sometimes (%)	Rarely (%)
Age
18 to 34	15 (50)	13 (43)	2 (7)
35 to 54	16 (32)	21 (42)	13 (26)
>55	37 (43)	34 (40)	15 (17)
Age total	68 (41)	68 (41)	30 (18)
Sex
Male	26 (42)	25 (40)	11 (18)
Female	48 (42)	44 (39)	21 (19)
Sex total	74 (42)	69 (39)	32 (18)
Race
Caucasian	58 (41)	57 (40)	26 (18)
African-American	10 (50)	9 (40)	2 (10)
Other	4 (80)	1 (20)	0
Race total	72 (43)	67 (40)	28 (17)
BMI
Underweight	3 (75)	1 (25)	0
Normal	33 (63)	12 (23)	7 (13)
Overweight	17 (28)	29 (48)	14 (23)
Obese	11 (28)	19 (48)	10 (25)
BMI total	64 (41)	61 (39)	31 (20)
Aware of trails
Yes	74 (42)	70 (40)	32 (18)
No	0	0	0
Trail awareness total	74 (42)	70 (40)	32 (18)