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Table 3 Generalized linear mixed model of daily consumption of sweets and soft drinks with fixed effects

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

  Daily sweets Daily soft drink  
  Model 1 Model 2 Model 1 Model 2  
Fixed effects OR 95% CI p-value OR 95% CI p-value OR 95% CI p-value OR 95% CI p-value
Intercept 0.07 0.06-0.09 <.001 0.07 0.06-0.09 <.001 0.13 0.11-0.14 <.001 0.12 0.10-0.14 <.001
Female 1.03 0.94-1.12 .564 1.15 0.92-1.44 .229 0.58 0.53-0.63 <.001 0.61 0.50-0.74 <.001
Age?=?16 2.11 1.80-2.46 <.001 2.21 1.78-2.73 <.001 2.82 2.44-3.26 <.001 3.10 2.59-3.70 <.001
Age?=?15 2.02 1.72-2.38 <.001 2.30 1.84-2.87 <.001 2.53 2.18-2.93 <.001 2.57 2.14-3.08 <.001
Age?=?13 1.55 1.31-1.85 <.001 1.66 1.31-2.01 <.001 1.65 1.41-1.93 <.001 1.61 1.33-1.95 <.001
2005 vs 2001 0.58 0.51-0.66 <.001 0.38 0.26-0.54 <.001 0.55 0.49-0.62 <.001 0.52 0.38-0.72 <.001
2009 vs 2005 0.78 0.67-0.90 .001 1.36 0.87-2.16 .167 0.84 0.73-0.96 .012 0.92 0.63-1.34 .667
SES 0.98 0.84-1.16 .844 0.94 0.77-1.15 .561 0.93 0.81-1.07 .327 0.92 0.79-1.07 .268
Female ’ age?=?16     1.01 0.77-1.32 .971     0.83 0.65-1.06 .137
Female ’ age?=?15     0.81 0.61-1.07 .141     0.97 0.76-1.25 .826
Female ’ age?=?13     0.85 0.64-1.12 .247     1.02 0.79-1.33 .854
Female ’ 2005/2001     1.27 1.03-1.56 .024     1.12 0.92-1.37 .253
Female ’ 2009/2005     0.82 0.63-1.01 .128     0.85 0.67-1.08 .181
Age?=?16 ’ 2005/2001     1.67 1.15-2.43 .008     1.12 0.79-1.56 .526
Age?=?15 ’ 2005/2001     1.56 1.08-2.31 .019     1.11 0.79-1.57 .540
Age?=?13 ’ 2005/2001     1.22 0.82-1.84 .331     1.04 0.72-1.50 .848
Age?=?16 ’ 2009/2005     0.70 0.46-1.09 .112     1.05 0.71-1.55 .797
Age?=?15 ’ 2009/2005     0.59 0.38-0.94 .025     0.92 0.62-1.36 .676
Age?=?13 ’ 2009/2005     0.56 0.34-0.92 .023     0.83 0.54-1.27 .394
SES ’ 2005/2001     0.95 0.66-1.36 .767     0.87 0.64-1.21 .419
SES ’ 2009/2005     0.84 0.49-1.44 .517     1.04 0.69-1.57 .843
  1. OR ’ odds ratio; CI ’ confidence interval; the reference group for gender was boys and for age 11’year olds.