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Table 3 Results from the full linear regression model evaluating the associations between family and home related factors and child’s SSB intake in litre per day according to the ethnic background of the child

From: Children’s sugar-sweetened beverages consumption: associations with family and home-related factors, differences within ethnic groups explored

  Dutch
(n = 169)
Surinamese/Antillean
(n = 112)
Moroccan/Turkish
(n = 151)
Other/unknown
(n = 95)
beta (95% CI) beta (95% CI) beta (95% CI) beta (95% CI)
Socio-demographic characteristics     
Gender child, boy = ref -0.06 (-0.16; 0.03) 0.14 (-0.13; 0.41) -0.09 (-0.23; 0.05) -0.05 (-0.23; 0.13)
Age child (in years) 0.03 (0.00; 0.05)* 0.07 (-0.00; 0.15) 0.04 (-0.00; 0.08) 0.08 (0.03; 0.14)**
Educational level of parent
  Low 0.14 (-0.03; 0.31) -0.09 (-0.62; 0.43) 0.03 (-0.20; 0.26) 0.09 (-0.18; 0.37)
  Mid-low -0.08 (-0.20; 0.05) -0.09 (-0.49; 0.31) -0.08 (-0.31; 0.16) 0.12 (-0.18; 0.41)
  Mid-high 0.09 (-0.03; 0.22) 0.07 (-0.28; 0.42) 0.08 (-0.16; 0.32) 0.10 (-0.15; 0.34)
  High - REF - - REF - - REF - - REF -
Cognitive variables a
 Attitude 0.13 (0.03; 0.24)* 0.04 (-0.27; 0.34) -0.02 (-0.15; 0.12) 0.14 (-0.04; 0.32)
 Attitude towards decreasing SSB 0.00 (-0.07; 0.08) -0.25 (-0.44; -0.05)* -0.01 (-0.13; 0.10) -0.00 (-0.13; 0.12)
 Subjective norm 0.06 (-0.02; 0.12) 0.19 (-0.01; 0.38) 0.04 (-0.03; 0.12) 0.14 (0.02; 0.26)*
 Perceived behavioural control -0.05 (-0.10; 0.01) 0.03 (-0.16; 0.22) 0.03 (-0.06; 0.13) -0.03 (-0.14; 0.08)
Environmental variables a
 Availability 0.01 (-0.04; 0.05) -0.05 (-0.21; 0.10) -0.07 (-0.13; -0.02)* -0.00 (-0.10; 0.09)
 Parenting practices 0.09 (0.01; 0.18)* 0.26 (-0.01; 0.52) 0.10 (-0.04; 0.23) -0.08 (-0.25; 0.10)
 Rules -0.06 (-0.19; 0.07) 0.15 (-0.19; 0.48) -0.12 (-0.31; 0.07) 0.39 (0.17; 0.60)**
 Modelling 0.05 (0.01; 0.09)* 0.07 (-0.09; 0.22) 0.08 (0.01; 0.15)* 0.09 (-0.00; 0.18)
− Modelling separate item 0.03 (0.00; 0.06)* 0.06 (-0.02; 0.15) -0.03 (-0.09; 0.03) 0.01 (-0.06; 0.07)
Habitual variables a
  Habit strength 0.11 (0.05; 0.17)** 0.01 (-0.21; 0.23) 0.00 (-0.11; 0.11) 0.06 (-0.11; 0.22)
  Taste preference 0.01 (-0.05; 0.06) -0.02 (-0.17; 0.14) 0.01 (-0.07; 0.10) -0.09 (-0.20; 0.03)
R2 (adjusted)b .444 .278 .087 .249
  1. REF reference category
  2. aHigher scores indicate expectation of more SSB consumption/higher score on unfavourable behaviour
  3. bR square statistic represents the estimated level of variance explained by the regression model
  4. Note: Results from the full model with all independent variables; numbers printed in bold represent significant association between independent variable and average SSB consumption in litre per day of child. Asterisks’ represent the level of significance of the association between independent variable and outcome, corrected for all other variables: *p <  0.05, **p <  0.01