The Clouclip, a wearable device for measuring near‐work and outdoor time: validation and comparison of objective measures with questionnaire estimates

Abstract

Clouclip had excellent precision and accuracy. Although the agreement between the questionnaire and Clouclip was relatively poor, they were able to complement each other to provide a more logical and feasible assessment of exposure to near-work and outdoor activity. Indoor-oriented lifestyles were found to predominate in Chinese children.