Table 3.

Prevalence Ratios (PR) and 95% Confidence Intervals (CI) for the Association Between Distance to Tobacco Retailer in the Activity Space and Residential Neighborhood and Smoking Cessation

	Activity space			Residential neighborhood
	Model A PR (95% CI)	Model B PR (95% CI)	Model C PR (95% CI)	Model D PR (95% CI)	Model E PR (95% CI)	Model F PR (95% CI)
Distance to tobacco retailer
Furthest distance	1.16 (0.97 to 1.38)	1.19 (1.01 to 1.41)	1.21 (1.02 to 1.43)	1.11 (0.95 to 1.31)	1.13 (0.96 to 1.33)	1.12 (0.96 to 1.32)
Intermediate	1.04 (0.89 to 1.21)	1.03 (0.88 to 1.21)	1.05 (0.90 to 1.23)	0.99 (0.84 to 1.17)	1.02 (0.87 to 1.20)	1.01 (0.86 to 1.18)
Closest distance	Ref.	Ref.	Ref.	Ref.	Ref.	Ref.
Individual-level characteristics
Age (y)		1.00 (0.97 to 1.03)	1.03 (0.99 to 1.07)		1.00 (0.97 to 1.03)	1.03 (0.99 to 1.07)
Sex
Female		1.11 (0.97 to 1.27)	1.13 (0.99 to 1.29)		1.10 (0.97 to 1.26)	1.12 (0.98 to 1.27)
Male		Ref.	Ref.		Ref.	Ref.
Educational attainment
University		1.51 (1.23 to 1.85)	1.45 (1.18 to 1.77)		1.49 (1.22 to 1.83)	1.43 (1.17 to 1.76)
CEGEP/trade school		1.27 (1.02 to 1.56)	1.25 (1.01 to 1.53)		1.26 (1.02 to 1.55)	1.24 (1.01 to 1.53)
High school or less		Ref.	Ref.			Ref.
Years since smoking onset			0.97 (0.95 to 0.99)			0.97 (0.95 to 0.99)
AIC	1.389481	1.372352	1.368143	1.389916	1.374442	1.370526

AIC = Akaike information criterion, CEGEP = Collèges d’enseignement général et professionnel.

Exact tertile cut points are 350–2682.1 m (furthest), 150.1–350 m (intermediate), and 6.3–150 m (closest) for mean distance to closest tobacco retailer in the activity space, and 351.5–4378.2 m (furthest), 150.4–349.0 m (intermediate), and 1.5–148.4 m (closest) for distance between home and closest tobacco retailer.

Bold results are statistically significant at the 0.05 level.