Knee problems are common in young adults and associated with physical activity and not obesity: the findings of a cross-sectional survey in a university cohort.

There was a borderline non-significant difference in mental distress between those that had a knee problem and those that did not; the percentage meeting the threshold for mental distress on the HSCL-10 was 21% (21/100) of those with knee problems and 12.4% of those without knee pain (26/209) (p = 0. 0.052; OR 1.9 95% CI 1.0 to 3.5) (Table 1 ).

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