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Table 1 Gender- and age-standardized frequencies of food habits by survey year

From: A school based study of time trends in food habits and their relation to socio-economic status among Norwegian adolescents, 2001–2009

 

2001

2005

2009

Effect of year: 2005 vs 2001

Effect of year: 2009 vs 2005

% (n)

% (n)

% (n)

OR

95% CI

p-value

OR

95% CI

p-value

Daily fruit

26.5 (1863)

38.5 (2477)

37.9 (2180)

1.76

1.61’1.92

<.001

0.97

0.87’1.06

.468

Daily vegetables

20.6 (1444)

28.1 (1808)

28.3 (1630)

1.51

1.37’1.66

<.001

1.01

0.92’1.11

.823

Daily sweets

16.2 (1138)

10.1 (649)

7.9 (457)

0.58

0.51’0.66

<.001

0.77

0.67’0.90

.001

Daily soft drink

22.2 (1561)

13.8 (889)

12.1 (697)

0.55

0.49’0.62

<.001

0.84

0.73’0.96

.001

  1. OR ’ odds ratio; CI ’ confidence interval.