Table 4 Univariate and multivariate analysis of diet by logistic regression

Factors*

Odds ratio

(95% CI)

p

Odds ratio

(95% CI)

p

Gender

0.003

0.002

   Boys (n = 397)

1

1

   Girls (n = 482)

1.44 (1.14-1.83)

1.72 (1.23-2.40)

Self-esteem

< 0.0001

0.0001

   Positive (n = 61)

1

1

   Normal (n = 595)

2.61 (1.39-4.91)

< 0.0001

2.55 (1.26-5.14)

0.0002

   Negative (n = 223)

1.51 (0.82-2.78)

0.71

1.23 (0.63-2.39)

0.20

BMI

< 0.0001

< 0.0001

   Underweight (n = 84)

1

1

   Average-weight (n = 598)

2.54 (1.32-4.87)

0.005

3.85 (1.72-8.60)

0.001

   Overweight (n = 165)

6.72 (3.37-13.4)

< 0.0001

11.2 (4.78-26.1)

< 0.0001

   Obese (n = 32)

14.9 (6.10-36.7)

< 0.0001

29.8 (9.82-90.5)

< 0.0001

Province

0.06

0.06

   Palermo (n = 238)

1

1

   Catania (n = 243)

0.86 (0.63-1.18)

0.46

0.78 (0.52-1.17)

0.69

   Caltanissetta (n = 250)

0.78 (0.57-1.06)

0.80

0.78 (0.52-1.18)

0.70

   Messina (n = 148)

0.61 (0.42-0.88)

0.03

0.49 (0.29-0.83)

0.02