Table 1.

Stair use of women at different points in time.

N=3,167	Without poster Baseline (n = 867)	With poster Week 1 (n = 796)	With poster Week 5 (n = 656)	Without poster Week 10 (n = 848)
Use of stairs	18.9% 164	31.9% 254	28.5% 187	31.5% 267
Absolute change* (95% CI)	-	13.0%** (8.8–17.1)	9.6%** (5.3–13.9)	12.6%** (8.5–16.6)
Relative change* (95% CI)	-	68.7% (46.6–90.6)	50.7% (27.9–73.7)	66.5 (44.8–87.8)
Relative Risk* (95% CI)	-	1.69 (1.42–2.00)	1.51 (1.25–1.81)	1.66 (1.40–1.97)

^*compared to baseline count,

^**p < 0.0001, CI: confidence interval.