TABLE 1—

Characteristics of Study Participants and Prevalence of Exposure to Retail Tobacco Marketing: 2125 Middle-School Students, Tracy, Calif, 2003

	% of Full Sample (N = 2125)	Prevalence of Exposure to Retail Tobacco Marketing, %	Unadjusted OR (95% CI)
Grade
6tha	33.2	68.0
7th	29.8	66.1	0.9 (0.7, 1.2)
8th	37.0	65.2	0.9 (0.7, 1.1)
Gender
Femalea	53.3	63.9
Male	46.7	69.1	1.3 (1.1, 1.5)
Ethnicity
Not Latino or Hispanica	57.9	59.6
Latino or Hispanic	42.1	76.0	2.2 (1.8, 2.6)
Self-reported grades
Above mediana	52.6	60.2
Below median	47.4	73.1	1.8 (1.5, 2.2)
Parent or household smoking
Noa	55.5	60.3
Yes	44.5	74.0	1.9 (1.6, 2.3)
At least 1 friend smokes
Noa	72.3	61.9
Yes	27.7	77.9	2.2 (1.7, 2.7)
Maternal supervision
Above meana	50.6	62.7
Below mean	49.4	70.0	1.4 (1.2, 1.7)
Risk taking
Below meana	46.3	56.6
Above mean	53.7	74.6	2.3 (1.9, 2.7)
Own cigarette promotional item
Noa	84.8	63.5
Yes	15.2	82.8	2.8 (2.0, 3.7)
See cigarette advertisements in magazines
Never or rarelya	48.8	55.4
Sometimes or often	51.2	76.9	2.7 (2.2, 3.2)
See smoking on television or in movies
Never or rarelya	32.0	55.9
Sometimes or often	68.0	71.4	2.0 (1.6, 2.4)
Exposure to retail tobacco marketing
< Once/weeka	33.8	. . .	. . .
At least once/week	66.2	. . .	. . .

Note. OR = odds ratio; CI = confidence interval.

^aReference category.