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Table 3 Coefficient and 95% confidence interval for the association between food group intake, diet quality and z-BMI

From: Association of diet in nurseries and physical activity with zBMI in 2–4-year olds in England: a cross-sectional study

  n Mean (SD) zBMI UK 1990 zBMI IOTF
Crude Adjusteda Crude Adjusteda
Food groups (portion/day)
 Starchy foods 142 2.1 (1.1) 0.06 (−0.08, 0.20) 0.01 (− 0.13, 0.14) 0.06 (− 0.08, 0.20) 0.00 (− 0.13, 0.14)
 Fruit and vegetable 142 5.2 (2.9) 0.03 (−0.03, 0.08) 0.02 (− 0.04, 0.07) 0.03 (− 0.03, 0.08) 0.02 (− 0.04, 0.07)
 Meat, fish, eggs, beans, and non-dairy sources of protein 142 1.0 (0.8) − 0.09 (− 0.28, 0.10) −0.05 (− 0.24, 0.13) −0.09 (− 0.28, 0.10) −0.05 (− 0.23, 0.13)
 Milk and dairy foods 142 2.4 (1.5) 0.06 (−0.05, 0.17) 0.03 (−0.07, 0.14) 0.06 (− 0.05, 0.16) 0.03 (− 0.07, 0.14)
NAP SACC Score (max score)
 One main meal (8.0) 64 5.9 (1.4) −0.01 (− 0.18, 0.16) −0.03 (− 0.20, 0.13) −0.01 (− 0.18, 0.15) −0.04 (− 0.20, 0.12)
 Two or more main meals (9.0) 66 7.0 (1.4) −0.01 (− 0.19, 0.16) −0.06 (− 0.23, 0.12) −0.01 (− 0.18, 0.16) −0.05 (− 0.22, 0.12)
 One snack* (3.0) 74 2.7 (0.6) 0.13 (− 0.29, 0.56) 0.07 (− 0.35, 0.50) 0.17 (− 0.25, 0.59) 0.05 (− 0.36, 0.47)
 Two snacks (5.0) 47 4.1 (0.8) 0.34 (0.03, 0.65) 0.26 (− 0.07, 0.59) 0.34 (0.04, 0.64) 0.25 (− 0.07, 0.58)
  1. Max Maximum
  2. aAdjusted for age, ethnicity, parental education and cluster
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