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

Table 2

Adjusted odds ratios (95% CI) for infrequent fruit 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	1.80 (1.42–2.30)***	1.82 (1.54–2.14)***	1.60 (1.21–1.98)***
Grade^a
7th versus 5th	1.32 (1.00–1.74)*	1.20 (0.99–1.46)	1.07 (0.83–1.38)
9th versus 5th	1.88 (1.38–2.57)***	1.16 (0.95–1.43)	1.50 (1.13–1.99)**
Supermarket exposure^a
low versus high	1.17 (0.89–1.54)	1.17 (0.97–1.40)	1.08 (0.80–1.45)
Fast food outlet exposure^a
high versus low	1.32 (0.98–1.76)	1.18 (0.97–1.43)	1.23 (0.89–1.69)
Interaction supermarket* fast food exposure^b
(i) high, low	1.0	1.0	1.0
(ii) low, high	1.60 (1.02–2.45)*	1.40 (1.03–1.90)*	1.45 (0.89–2.38)
(iii) low, low	1.10 (0.78–1.54)	1.11 (0.88–1.40)	0.91 (0.64–1.29)
(iv) high, high	1.17 (0.75–1.84)	1.09 (0.81–1.47)	0.94 (0.61–1.46)

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.