Table 4.

Change in the proportion of stair use to elevator use from the ground floor (stair climbing rate) per time slot.

	Intervention	Control	Intervention effect	p *	p **
Baseline
3rd month	−0.170 (−0.224 to −0.117)	−0.103 (−0.162 to −0.043)	−0.001 (−0.063 to 0.061)	0.975
6th month	0.067 (0.014 to 0.120)	0.002 (−0.047 to 0.050)	0.065 (0.005 to 0.125)	0.033	0.049

^*Effect of building.

^**Effect of period.