Table 1. Four cycling groups: Descriptive statistics (proportions or means) and group differences.

	Never (n=434)		Continuing (n=29)		Former (n= 33)		New (n= 40)
	M	SD	M	SD	M	SD	M	SD	p =
GPS-measured bike use
Sociodemographic control variables
Household income	41.03	32.14	51.35	36.20	42.33	26.83	39.60	28.43
Age	42.54	15.28	39.69	12.13	38.09	12.10	37.25	11.44
Female	0.55	0.50	0.17	0.38	0.30	0.47	0.43	0.50	***
Car available 2012	0.88	0.33	0.69	0.47	0.88	0.33	0.93	0.27	*
Car available 2013	0.90	0.30	0.79	0.41	1.00	--	0.95	0.22	*
Hispanic	0.26	0.44	0.10	0.31	0.16	0.37	0.28	0.46
Weight and activity variables
BMI 2012	29.28	7.20	26.52	5.26	27.92	5.59	28.55	6.64
BMI 2013	29.50	7.21	26.95	5.61	28.66	5.89	28.49	6.23
Kcal / min 2012	1.02	0.92	3.59	3.10	2.29	1.50	1.14	0.90
Kcal / min 2013	1.12	0.79	4.43	3.99	1.37	1.08	2.76	3.51
All minutes ridden 2012	0.00	0.00	119.66	126.66	70.24	92.71	0.00	0.00
Complete street 2012	0.00	0.00	40.66	89.00	21.48	41.48	0.00	0.00
All minutes ridden 2013	0.00	0.00	130.03	143.31	0.00	0.00	82.88	92.12
Complete street 2013	0.00	0.00	43.59	63.36	0.00	0.00	33.55	52.15
Proportion self-reported	0.86	0.35	0.93	0.26	0.58	0.50	0.65	0.48
	Never (n=385)		Continued (n=54)		Former (n=47)		New (n=50)
Self-reported bike use
Sociodemographic controlvariables
Household income	41.26	31.76	50.31	33.82	37.13	30.75	38.62	30.17
Age	42.88	15.50	40.89	11.15	34.98	10.76	40.02	14.00	**
Female	0.55	0.50	0.26	0.44	0.51	0.51	0.44	0.50	***
Car available 2012	0.88	0.32	0.78	0.42	0.89	0.31	0.90	0.30
Car available 2013	0.90	0.30	0.87	0.34	0.98	0.15	0.88	0.33
Hispanic	0.23	0.42	0.20	0.41	0.26	0.44	0.39	0.49
Weight and activity variables
BMI 2012	29.32	7.24	27.50	6.17	27.31	6.36	29.64	6.19
BMI 2013	29.55	7.28	27.94	6.32	27.73	6.37	29.66	5.79
Kcal / min 2012	1.04	0.94	2.59	2.71	1.39	1.27	1.28	0.92
Kcal / min 2013	1.15	0.82	3.01	3.35	0.96	0.60	2.44	3.23

Note: Control variable differences tested by one way ANOVA.

^*p<.05,

^**p<.01,

^***p<.001