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Table 1 Association of recess order with probability of consumption meeting nutritional guidelines

From: Elementary school children’s recess schedule and dietary intake at lunch: a community-based participatory research partnership pilot study

Nutrient Probability modeled Mean probability before lunch After lunch OR (95% CI) p-value (two sided)
Calories1 Intake > =475 cal     
  (75% guideline) 27% 23% 1.27 (0.9 – 1.8) 0.169
Protein Intake > =9 g 86% 84% 1.22 (0.9 – 1.7) 0.270
Iron Intake > =3.3 mg 15% 13% 1.20 (0.8 – 1.7) 0.304
Calcium Intake > =267 mg 68% 59% 1.49 (1.1 – 2.0) 0.015*
Vitamin C2,3 Intake > =10 mg     
  (66% guideline) 42% 38% 1.23 (0.9 – 1.7) 0.231
Vitamin A RE Intake > =150     
  (75% guideline) 40% 36% 1.19 (0.9 – 1.6) 0.268
Fat Fat calories < =30% total calories 15% 11% 1.5 (1.1 – 2.1) 0.021*
Saturated fat Saturated fat calories < =10% total calories 0% 0%   
Sodium4 Day 1 Sodium < =1200 mg 83% 93% 0.38 (0.2 – 0.9) 0.024*
Sodium4 Day 2 Sodium < =1200 mg 49% 53% 0.86 (0.5 – 1.4) 0.556
Sodium4 Day 3 Sodium < =1200 mg 61% 55% 1.26 (0.8 – 2.1) 0.348
Sodium4 Day 4 Sodium < =1200 mg 49% 53% 0.9 (0.5 – 1.4) 0.556
Sodium4 Day 5 Sodium < =1200 mg 100% 99%   
  1. 1Too few students met 100% of guideline to model this probability, so a lower cut-off was used.
  2. 2Excludes Day 3 because no students met guideline for Vitamin C on Day 3 (maximum intake = 2.96 mg).
  3. 3Too few students met guideline of 10% to model this probability, so a higher cut-off was used.
  4. 4Too variable by day to combine days into a single model.
  5. *p < 0.05.
  6. OR = odds ratio.