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Table 2 Adjusted odds ratio (AOR) and 95% CI for high academic achievement in relation to the intake of healthy and unhealthy food items in girls and boys

From: Association of lifestyle habits and academic achievement in Norwegian adolescents: a cross-sectional study

 

GIRLS

BOYS

 

Low academic achievementan (%)

High academic achievementan (%)

AOR b(95% CI)

Low academic achievementan (%)

High academic achievementan (%)

AOR b(95% CI)

Vegetables (≥7 times per week)

79 (24)

253 (34)

1.82 (1.30-2.53)*

71 (18)

133 (22)

1.33 (0.94-1.88)

Fruit and berries (≥7 times per week)

83 (25)

298 (40)

2.09 (1.51-2.88)*

67 (17)

145 (24)

1.47 (1.04-2.07)*

Lemonade (≥4 times per week)

53 (16)

60 (8)

0.42 (0.27-0.64)*

91 (23)

103 (17)

0.67 (0.48-0.94)*

Sugar-sweetened soft drinks (≥4 times per week)

205 (62)

327 (44)

0.47 (0.35-0.64)*

312 (79)

472 (78)

0.92 (0.66-1.29)

Diet soft drinks (≥4 times per week)

96 (29)

208 (28)

1.01 (0.73-1.39)

103 (26)

145 (24)

0.94 (0.68-1.29)

Candy (≥4 times per week)

238 (72)

506 (68)

0.77 (0.56-1.06)

257 (65)

375 (62)

0.94 (0.70-1.26)

Salty snacks (≥4 times per week)

192 (58)

365 (49)

0.63 (0.47-0.85)*

237 (60)

363 (60)

0.97 (0.73-1.29)

  1. aA mean school grade between 0 and 3 was characterized as low, whereas a mean school grade between 4 and 6 was characterized as high.
  2. bAdjusted for BMI and maternal and paternal education.
  3. *p < 0.05.