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. 2023 Mar;67(2):164-174.
doi: 10.1007/s10384-023-00977-w. Epub 2023 Jan 28.

The association of subjective vision with objectively measured intensity-specific physical activity and bout-specific sedentary behavior among community-dwelling older adults in Japan

Kazuho Isamu  1 , Tomoko Takamiya  2 , Shiho Amagasa  1   3 , Masaki Machida  1 , Hiroyuki Kikuchi  1 , Noritoshi Fukushima  1 , Shigeru Inoue  1 , Hiroshi Murayama  4 , Takeo Fujiwara  5 , Yugo Shobugawa  6
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The association of subjective vision with objectively measured intensity-specific physical activity and bout-specific sedentary behavior among community-dwelling older adults in Japan

Kazuho Isamu et al. Jpn J Ophthalmol. 2023 Mar.

Erratum in

Abstract

Purpose: Visual impairment is a possible cause of physical frailty. Reduced physical activity (PA) may be involved in the pathway from visual impairment to physical frailty, although the association between vision and objectively measured PA among older adults remains unclear. This study examined the sex-specific association of subjective vision with intensity-specific PA and bout-specific sedentary behavior (SB) among community-dwelling, older Japanese adults.

Study design: Cross-sectional study METHODS: This study used data from the Neuron to Environmental Impact across Generations study analyzing older adults (527 participants, aged 65-84 years) living in rural areas of Niigata Prefecture, Japan. Subjective vision was assessed by use of a questionnaire. Intensity-specific PA (light-intensity PA and moderate-to-vigorous PA [MVPA]), bout-specific SB, and daily step count were objectively evaluated by use of an accelerometer. The association of subjective vison with PA and SB, stratified by sex, was analyzed by means of general regression analyses, with adjustment for covariates.

Results: The data of 512 participants (men: 46.9%; with poor subjective vision: 22.9%) were analyzed. Poor subjective vision was significantly associated with log MVPA (partial regression coefficient = -0.261, P = .013) and log steps (partial regression coefficient = -0.164; P = .021) among women, whereas a tendency of an association was observed with prolonged SB time among men (partial regression coefficient: 39.1; P = .073).

Conclusion: Older Japanese women with poor subjective vision performed less MVPA and had fewer step counts than those of participants with good subjective vision, and men with poor subjective vision had longer prolonged SB, which may all accelerate the process to physical frailty.

Keywords: Accelerometry; Exercise; Sedentary lifestyle; Visual impairment; Walking.

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