. Author manuscript; available in PMC: 2013 Nov 9.

Published in final edited form as: Prev Med. 2011 Oct 14;54(1):10.1016/j.ypmed.2011.09.021. doi: 10.1016/j.ypmed.2011.09.021

Table 1.

Regression parameters from segmented regression model predicting total number of trips per day and average trip duration on the ‘Boris bikes’ over time

	Total trips per day			Average trip duration

	Coefficient	P-value	95% CI	Coefficient	P-value	95% CI
Pre-strike intercept	5889.73	0.001	3424.22; 8355.23	25.09	0.001	23.29; 26.88
Pre-strike slope	254.67	0.001	144.46; 364.88	−0.20	0.001	−0.28; −0.12
Strike 1 – Intercept change	3864.47	0.043	124.69; 7604.24	1.15	0.401	−1.57; 3.88
Strike 1 – Slope change	−465.14	0.001	−671.35; −258.93	0.10	0.182	−0.05; 0.25
Strike 2 – Intercept change	11292.73	0.001	5169.18; 17416.19	2.99	0.185	−1.46; 7.46
Strike 2 – Slope change	−22.23	0.855	−262.47; 218.01	0.04	0.677	−0.14; 0.21