Table 1.

Reliability statistics for candidate STARS items

Item	Description	κ	ICC	Citations
Place
7	Store type	0.89–1.0		24, 29, 30
9	Presence of pharmacy counter	1.0		46
10	Availability of alcohol	0.76–0.79 (by brand)		47
17	WIC/SNAP accepted	0.86		48
Product availability
12a	Cigarettes	0.97–1.0		23, 27, 29, 30
12b	Menthol cigarettes	0.79		30
13a	Cigarillos/little cigars	0.61–1.0		29, 30, 31
13b	Flavoured little cigars/cigarillos	0.91–0.94		30
	Flavoured cigars	0.61		31
14a	Cigars	0.57		30
15a	Chew, moist/dry stuff, dip or snus	0.54–1.0		29, 30, 31
16a	E-cigarettes	0.59–1.0		29, 30, 31
Promotion/placement
6a–f	Exterior tobacco ads (counts)		0.57–0.99	29, 30
	Exterior cigarette ads (counts)		0.82	30, 31
	Exterior moist snuff or snus ads (counts)		0.43–0.90	30
12e–f 13–16h	Any price promotions	0.41–0.69		29, 31
12c 13–16e	Tobacco product near candy	0.10–0.27		25, 31
12d 13–16f	Tobacco ad below 3.5 feet	0.41–0.78		25, 29, 30
	Cigarette ad below 3.5 feet	0.81		30
	Moist snuff or snus ad below 3.5 feet	0.69–0.88		30
13g	Self-service displays for cigarillos/little cigars	0.73–0.74		30
Price
18b	Cheapest pack		0.94–1.0	30, 49
19b	Newport menthol hard pack cigarettes		0.87–1.0	29, 30, 31
20b	Blu menthol disposable e-cigarette		0.88	49

Cell entries are Cohen's κ or intraclass correlation coefficients. The Special Supplemental Nutrition Programme for Women, Infants and Children (WIC) provides federal grants to states for supplemental foods, healthcare referrals and nutrition education for low-income pregnant, breastfeeding and non-breastfeeding postpartum women, and to infants and children up to age 5 who are found to be at nutritional risk. Supplemental Nutrition Assistance Programme (SNAP) offers nutrition assistance to millions of eligible, low-income individuals and families and provides economic benefits to communities. Reliability for this item was obtained in combination with the presence of other signage.

ICC, intraclass correlation coefficients; STARS, Standardized Tobacco Assessment for Retail Settings.