Table 2.

Summary of the overall effects of the campaigns on stair climbing and descent

Variable	Stair climbing (n = 28 854) OR (95% CI)	Stair descent (n = 29 352) OR (95% CI)
Intervention > baseline	1.24*** a	1.03
	(1.15-1.34)	(0.96-1.11)
Interaction between intervention and worksite	1.23***	0.95
(Poster + Stairwell messages > Poster alone)	(1.10-1.38)	(0.86-1.05)
Overall effects of worksite	2.02***	0.80***
(Poster + Stairwell messages vs. Poster alone)	(1.83-2.23)	(0.74-0.87)
Effects of pedestrian traffic volume.min-1 (continuous variable)	0.95***	0.94***
	(0.95-0.96)	(0.93-0.94)

Table legend: ^a * = p < .05, ** = p < .01, *** = p < .001.