Fruit and Vegetable Intake in Adolescents: Association with Socioeconomic Status and Exposure to Supermarkets and Fast Food Outlets

Table 3

Adjusted odds ratios (95% CI) for infrequent vegetable consumption, separate analyses for students in low, middle, and high family social classes.

	Low family social class, 𝑛=1141OR (95% CI)	Middle family social class, 𝑛=2478OR (95% CI)	High family social class, 𝑛=1384OR (95% CI)
Sex^a
Boys versus girls	1.37 (1.06–1.78)*	1.49 (1.26–1.76)***	1.53 (1.23–1.90)***
Grade^a
7th versus 5th	1.51 (1.12–2.03)**	1.15 (0.94–1.40)	1.14 (0.88–1.45)
9th versus 5th	1.59 (1.14–2.21)**	1.01 (0.82–1.24)	1.18 (0.88–1.45)
Supermarket exposure^a
low versus high	1.33 (0.92–1.90)	1.19 (0.92–1.54)	1.04 (0.80–1.35)
Fast food outlet exposure^a
high versus low	1.17 (0.80–1.71)	1.20 (0.92–1.57)	1.26 (0.95–1.66)
Interaction supermarket * fast food exposure^b
(i) high, low	1.0	1.0	1.0
(ii) low, high	1.79 (0.99–3.21)	1.14 (0.76–1.73)	1.27 (0.84–1.92)
(iii) low, low	1.11 (0.71–1.74)	1.05 (0.71–1.74)	0.95 (0.69–1.30)
(iv) high, high	0.87 (0.50–1.53)	0.91 (0.58–1.42)	0.94 (0.62–1.43)

aOdds ratios mutually adjusted for sex, grade, and supermarket and fast food outlet exposure.
^bAdjusted for sex and grade.
Significant levels at *0.05, **0.01, ***0.001.