Validity of a Questionnaire Evaluating Physical Activity Level in Young Children.

Relationship between body image and lifestyle factors in Japanese adolescent girls

“…Although these three behaviors represent the key factors, questions relating to only these behaviors may not be adequate to cover all lifestyle factors that may have an influence. Moreover, although the validity of the questions has been confirmed for the sleeping and exercise behaviors, 42,43 it has not yet been established for the descriptions of eating behaviors.…”