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Table 2 Association between daily dietary costs in tertiles and (high) dietary quality (n = 4717)

From: Socioeconomic and ethnic differences in the relation between dietary costs and dietary quality: the HELIUS study

Dietary quality (DHD15-index – continuous score) Model 1 a   Model 2 b  
β 95% CI β 95% CI
Dietary costs T1 (1,14-4,56€) ref   ref  
T2 (4,57-5,58€) 6.54** 5.29; 7.80 6.69** 5.52; 7.86
T3 (5,59-17,15€) 7.13** 5.59; 8.67 6.70** 5.25; 8.15
High dietary quality (DHD15-index – dichotomous) Model 1 a   Model 2 b  
OR 95% CI OR 95% CI
Dietary costs T1 (1,14-4,56€) ref   ref  
T2 (4,57-5,58€) 2.16** 1.77; 2.63 2.60** 2.10; 3.22
T3 (5,59-17,15€) 2.24** 1.76; 2.86 2.64** 2.02; 3.44
  1. High dietary quality was defined as the top quintile
  2. DHD15-index Dutch Healthy Diet index 2015, T Tertile, Ref reference group, CI Confidence Interval, OR Odds ratio
  3. *P < 0.05; **P < 0.001
  4. a Model 1 is only adjusted for dietary energy | b Model 2 additionally adjusts for age, sex, education, ethnicity, smoking and physical activity