Why the study?
The study was conducted to determine the discriminant validity of Exercise Vital Sign (EVS) questions in pediatric sports medicine patients.
Does the Exercise Vital Sign (EVS) demonstrate discriminant validity in assessing physical activity in children aged 5 to 18 years?
Does the Exercise Vital Sign (EVS) demonstrate discriminant validity in assessing physical activity in children aged 5 to 18 years?
The Exercise Vital Sign is a valid clinical tool for detecting differences in physical activity levels among children based on sex, BMI, and depression status.
May support EVS screening for activity disparities in depressed or overweight youth; leaves open prospective validation for clinical adoption.
We reviewed charts of 14,446 sports medicine patients, children aged 5 to 18 years, over a 3-year period to determine the discriminant validity of Exercise Vital Sign (EVS) questions. A logistic regression analyzed factors related to any moderate to vigorous physical activity (MVPA). A linear regression analyzed factors related to amount of MVPA for those who participated in any weekly MVPA. Overall, 48% of children reported meeting physical activity guidelines for 420 min·wk-1. Overall, children reported 400.36 ± 280.04 min·wk-1 of MVPA. Those with depression had significantly less MVPA than those without (95% confidence interval [CI], -96.65 to -26.31). Girls had significantly less MVPA than boys (95% CI, -59.15 to -40.31). Overweight and obese children reported less MVPA compared with normal weight children (95% CIs, -42.65 to -17.29 and -91.61 to -65.50, respectively). EVS demonstrates strong discriminant validity to detect differences between groups as a function of sex, body mass index, and depression.
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A 2022 study studied this question.
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