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[...] Researchers found children who had a vegetarian diet had similar mean body mass index (BMI), height, iron, vitamin D, and cholesterol levels compared to those who consumed meat. The findings showed evidence that children with a vegetarian diet had almost two-fold higher odds of having underweight, which is defined as below the third percentile for BMI. There was no evidence of an association with overweight or obesity.
Underweight is an indicator of undernutrition, and may be a sign that the quality of the child's diet is not meeting the child's nutritional needs to support normal growth. For children who eat a vegetarian diet, the researchers emphasized access to healthcare providers who can provide growth monitoring, education and guidance to support their growth and nutrition.
[...] A limitation of the study is that researchers did not assess the quality of the vegetarian diets. The researchers note that vegetarian diets come in many forms and the quality of the individual diet may be quite important to growth and nutritional outcomes. The authors say further research is needed to examine the quality of vegetarian diets in childhood, as well as growth and nutrition outcomes among children following a vegan diet, which excludes meat and animal derived products such as dairy, egg, and honey.
Journal Reference:
Laura J. Elliott et al. Vegetarian Diet, Growth, and Nutrition in Early Childhood: A Longitudinal Cohort Study [open] Pediatrics 2022
DOI: 10.1542/peds.2021-052598
(Score: 0) by Anonymous Coward on Thursday May 05 2022, @04:21PM (2 children)
If you measure the heights of a billion people with blood type A vs blood type B and find a statistically significant difference of 0.1 mm, are they similar or dissimilar?
Similar, of course, because 0.1 mm has no practical impact. The statistical significance just shows you collected enough data to find a tiny difference.
Likewise comparing two groups of n=3, will be statistically insignificant even if one is 2 ft taller than the other on average.
(Score: 0) by Anonymous Coward on Thursday May 05 2022, @04:50PM (1 child)
First, I doubt that such experiment would result in a statistically significant difference. This would mean you do a test on the mean (which is 0.1 mm different) and the deviation would be very (extremely) narrow. But let's go with what you say and such thing would be significantly different, then the two classes would not be the same, so dissimilar. It would mean that people with one blood type have a good chance to be, on average, slightly larger.
"Practical impact" has no use in statistics, who decides what's practical? It's not objective.
(Score: 0) by Anonymous Coward on Thursday May 05 2022, @06:24PM
If n = 1 billion even very tiny differences will be significant. Probably orders of magnitude less than 0.1 mm.