The Association Between Objectively Measured Vision Impairment and Self-Reported Physical Activity Among 34,129 Adults Aged ≥50 Years in Six Low- and Middle-Income Countries

Lee Smith, Shahina Pardhan, Trish Gorely, Yvonne Barnett, Louis Jacob, Guillermo F. López-Sánchez, Mark A. Tully, Nicola Veronese, Jae Il Shin, Ai Koyanagi

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Abstract

The authors investigated the association between vision impairment and physical activity among older adults from low- and middle-income countries. Visual acuity was measured using the tumbling ElogMAR chart, and vision impairment was defined as visual acuity worse than 6/18 (0.48 logMAR) in the better seeing eye. Physical activity was assessed by the Global Physical Activity Questionnaire. Multivariable logistic regression and meta-analysis were conducted to assess associations. The sample included 34,129 individuals aged 50-114 years (mean [SD] age 62.4 [16.0] years; 47.9% male). After adjustment for confounders, near vision impairment was not significantly associated with low physical activity, but far vision impairment showed a significant association (odds ratio = 1.32; 95% confidence interval [1.17, 1.49], I2 = 0.0%). Far vision impairment was dose-dependently associated with low physical activity (e.g., severe [<6/10] vs. no [≥6/12] far vision impairment; odds ratio = 1.80; 95% confidence interval [1.03, 3.15]). Interventions to address low levels of physical activity in the visually impaired in low- and middle-income countries should target those with far vision impairment.

Original languageEnglish
Pages (from-to)1 - 7
Number of pages7
JournalJournal of Aging and Physical Activity
Early online date27 Aug 2021
DOIs
Publication statusE-pub ahead of print - 27 Aug 2021

Keywords

  • Epidemiology
  • physical education
  • public health
  • health education
  • visual impairment

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