Researchers from four universities including Strathclyde and Dundee checked out data from 6,000 adolescent girls. They observed that those categorised as obese at the age of 11 attained lower results over the next five years compared with peers of a healthy weight.
The team stated additional research was required to determine why this was the case. The cooperative study, considered to be the most extensive of its kind, has been published in the International Journal of Obesity.
It was performed by researchers at Strathclyde, Dundee, Georgia and Bristol universities.
The outcomes indicated that girls who were obese, as calculated by BMI (body mass index) at age 11, obtained lower academic success at 11, 13 and 16 years in comparison to those of a healthy weight.
The research took into consideration possible mediating factors but observed that these did not have an effect on the overall results.
Achievement in the core subjects of English, Maths and Science for obese girls was decreased by a valuation corresponding to a D rather than a C, which was the average in the sample.
Associations between excessive weight and educational results were less obvious in boys.
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