对有轻度认知障碍或记忆问题的老年人进行太极拳干预后的体育活动参与度:随机临床试验的二次分析。

IF 10.5 1区 医学 Q1 MEDICINE, GENERAL & INTERNAL
Fuzhong Li, Peter Harmer, Elizabeth Eckstrom, Kerri Winters-Stone
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引用次数: 0

摘要

本文章由计算机程序翻译,如有差异,请以英文原文为准。
Physical Activity Engagement After Tai Ji Quan Intervention Among Older Adults With Mild Cognitive Impairment or Memory Concerns: A Secondary Analysis of a Randomized Clinical Trial.

Importance: The effect of exercise interventions on increasing and sustaining moderate to vigorous physical activity (MVPA) among older adults with mild cognitive impairment (MCI), who are at heightened risk of dementia, remains unclear.

Objective: To examine whether participation in a 6-month, supervised, home-based tai ji quan intervention increases MVPA among US community-dwelling older adults at 1 year.

Design, setting, and participants: This study was a secondary analysis of a parallel-group, outcome assessor-blinded, randomized clinical trial conducted virtually at participants' homes. Eligible participants were aged 65 years or older, lived independently, and had a baseline Clinical Dementia Rating (CDR) global score of 0.5 or less. Participants were enrolled between October 1, 2019, and June 30, 2022. Final follow-up occurred in May 2023.

Interventions: Participants were randomly assigned (1:1:1) to standard tai ji quan, cognitively enhanced tai ji quan, or stretching, and they exercised (via real-time videoconferencing) 1 hour semiweekly for 6 months.

Main outcomes and measures: The primary outcome was self-reported time engaged in MVPA (in minutes per week), assessed with the International Physical Activity Questionnaire at baseline and at 4, 6, and 12 months following randomization. The Physical Activity Guidelines for Americans recommend that older adults achieve at least 150 min/wk of MVPA, and the number of participants meeting this recommendation was also assessed. Analyses followed the intention-to-treat principle.

Results: Among the 318 participants enrolled, 107 were randomized to standard tai ji quan, 105 to cognitively enhanced tai ji quan, and 106 to stretching. Their mean (SD) age was 76 (5) years, 212 (66.7%) were women, and 247 (77.7%) had a CDR global score of 0.5. A total of 304 participants (95.6%) completed the trial, and 299 (94.0%) had complete data on the primary outcome at the 12-month follow-up. At 12 months, both tai ji quan groups had increased MVPA levels compared with the stretching control group, with mean differences from baseline of 66 min/wk (95% CI, 25-108 min/wk; P = .002) with standard tai ji quan and 65 min/wk (95% CI, 24-108 min/wk; P = .002) with cognitively enhanced tai ji quan. Odds ratios for meeting the recommended amount of MVPA (≥150 min/wk) were 3.11 (95% CI, 1.75-5.53; P < .001) for the standard tai ji quan group and 3.67 (95% CI, 2.02-6.65; P < .001) for the cognitively enhanced tai ji quan group compared with the stretching group.

Conclusion and relevance: In this secondary analysis of a randomized clinical trial involving older adults with MCI or self-reported memory concerns, home-based tai ji quan training (delivered via videoconferencing) increased MVPA 6 months following cessation of the intervention compared with stretching. These findings suggest that tai ji quan may be promoted as an avenue to achieve physical activity guidelines for older adults with MCI or subjective memory concerns.

Trial registration: ClinicalTrials.gov Identifier: NCT04070703.

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来源期刊
JAMA Network Open
JAMA Network Open Medicine-General Medicine
CiteScore
16.00
自引率
2.90%
发文量
2126
审稿时长
16 weeks
期刊介绍: JAMA Network Open, a member of the esteemed JAMA Network, stands as an international, peer-reviewed, open-access general medical journal.The publication is dedicated to disseminating research across various health disciplines and countries, encompassing clinical care, innovation in health care, health policy, and global health. JAMA Network Open caters to clinicians, investigators, and policymakers, providing a platform for valuable insights and advancements in the medical field. As part of the JAMA Network, a consortium of peer-reviewed general medical and specialty publications, JAMA Network Open contributes to the collective knowledge and understanding within the medical community.
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