Research Article

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

Table 1

Proportion of students with infrequent consumption of fruit or vegetables by sociodemographic characteristics and neighborhood variables.

<Daily fruit intake<Daily vegetable intake
(n = 3506/6034)(n = 3791/6034)
%P%P

All students, n = 603458.162.8

Sex
 (i) boys (reference), n = 295065.0<.000167.2<.0001
 (ii) girls, n = 308451.658.6

Grade
 (i) fifth grade (reference), n = 227854.4<.000160.20.0042
 (ii) seventh grade, n = 214058.664.4
 (iii) ninth grade, n = 161662.864.5

Family social class
 (i) high (reference), n = 138450.0<.000153.9<.0001
 (ii) middle, n = 247861.364.3
 (iii) low, n = 114158.367.7
 (iv) unclassifiable, n = 103161.466.1

Supermarket counts (300 meters)
 (i) 0, n = 55 schools, n = 3943 students59.20.156963.70.1198
 (ii) 1, n = 17 schools, n = 1379 students55.761.1
 (iii) 2, n = 5 schools, n = 411 students55.758.6
 (iv) 3, n = 2 schools, n = 255 students58.066.3
 (v) 4, n = 1 school, n = 46 students54.460.9

Fast food outlet counts (300 meters)
 (i) 0, n =48 schools, n = 3388 students57.0 0.000361.7<.0001
 (ii) 1, n = 17 schools, n = 1190 students60.866.5
 (iii) 2, n = 5 schools, n = 530 students61.166.2
 (iv) 3, n = 4 schools, n = 471 students59.959.0
 (v) 4, n = 2 schools, n = 218 students56.867.0
 (vi) 5 or more, n = 4 schools, n = 237 students50.5 (ave)55.4 (ave)

Supermarket concentration (300 meters)
 (i) low, n = 55 schools, 3743 students59.30.017663.80.0522
 (ii) high, n = 26 schools, 2291 students56.161.3

Fast food outlet concentration (300 meters)
 (i) low, n = 56 schools, 4422 students57.30.051962.00.0511
 (ii) high, n = 24 schools, 1812 students 60.064.7