Fall 2012		Fall 2013		Fall 2014
	(Baseline)		(1-year follow-up)		(2-year follow-up)
	weighted n (%)		weighted n (%)		weighted n (%)
Total	1073.9	(100.0)	1689.2	(100.0)	1720.8	(100.0)
Crash
No Crash	898.4	(83.7)	1297.5	(76.8)	1354.1	(78.7)
Crash	175.5	(16.3)	391.7	(23.2)	366.7	(21.3)
City PBSP status
No PBSP (control)	385.6	(35.9)	603.3	(35.7)	658.7	(38.3)
Newly implemented PBSP	237.4	(22.1)	446.1	(26.4)	433.0	(25.2)
Existing PBSP	450.9	(42.0)	639.8	(37.9)	629.1	(36.6)
Total weekly bicycling hours, mean (sd)	2.9	(4.7)	4.2	(7.8)	3.9	(7.2)
Walk Score, mean (sd)	83.8	(19.9)	73.0	(26.4)	81.9	(21.6)
Age
18-24	165.7	(15.4)	294.2	(17.4)	314.0	(18.2)
25-34	309.2	(28.8)	454.5	(26.9)	487.3	(28.3)
35-44	218.4	(20.3)	285.2	(16.9)	283.6	(16.5)
45-54	198.5	(18.5)	252.9	(15.0)	262.5	(15.3)
55-64	131.0	(12.2)	309.7	(18.3)	254.9	(14.8)
65+	51.1	(4.8)	92.7	(5.5)	118.4	(6.9)
Sex
Women	453.9	(42.3)	688.3	(40.7)	717.8	(41.7)
Men	620.0	(57.7)	1001.0	(59.3)	1003.0	(58.3)
Education
High school or less	77.4	(7.2)	208.0	(12.3)	183.5	(10.7)
College or University	996.5	(92.8)	1481.2	(87.7)	1537.3	(89.3)
Helmet use
Never	212.6	(19.8)	310.9	(18.4)	326.6	(19.0)
Seldom	131.5	(12.2)	168.6	(10.0)	175.5	(10.2)
Often	136.5	(12.7)	288.5	(17.1)	259.4	(15.1)
Always	593.4	(55.3)	921.2	(54.5)	959.3	(55.7)
Safety perception of bicycling
Dangerous	320.9	(29.9)	358.4	(21.2)	403.8	(23.5)
Neither safe nor unsafe	147.8	(13.8)	215.3	(12.7)	253.5	(14.7)
Safe	605.2	(56.4)	1115.5	(66.0)	1063.5	(61.8)