Visual impairment and objectively measured physical activity and sedentary behaviour in US adolescents and adults: a cross-sectional study.

ABSTRACT:

Objectives

To compare levels of physical activity and sedentary time in a representative sample of US adolescents and adults with and without visual impairment.

Design

Cross-sectional analyses were carried out using data from the National Health and Nutrition Examination Survey.

Participants

The study population consisted of 6001 participants (adolescents n=1766, adults n=4235). The present analysis aggregated data from 2003 to 2004 and 2005-2006.

Measures

Objective physical activity and sedentary behaviour assessment was conducted over 7 days. Distance visual acuity was measured for each eye in all participants 12 years and older. Participants' vision was categorised as: normal vision, uncorrected refractive error, non-refractive visual impairment. We estimate

SUBMITTER: Smith L 

PROVIDER: S-EPMC6500295 | biostudies-literature | 2019 Apr

REPOSITORIES: biostudies-literature