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Adherence to exercise intervention for community-dwelling older adults with sarcopenia: a systematic review and
Shuang Wu1,2, Jiahui Nan3, Jing Chang1
1Central South University, Xiangya School of Nursing, Department of Community Nursing, Changsha, Hunan, China.
Background:
Exercise is a highly recommended nonpharmacological intervention for older adults with sarcopenia. Poor exercise adherence is a main factor affecting treatment efficacy. However, evidence for overall adherence to exercise and intervention characteristics affecting adherence in this population remains unknown.
Objective:
To determine whether community-dwelling older adults with sarcopenia adhere to exercise programmes, what intervention components are used to improve adherence and how adherence relates to intervention characteristics and efficacy.
Methods:
Seven electronic databases and relevant systematic reviews were searched to identify randomised controlled trials (RCTs). The capability, opportunity, motivation and behaviour model with behaviour change techniques (BCTs) were used to categorise adherence intervention components. Random-effects meta-analysis and meta-regression analyses were employed.
Results:
Seventeen RCTs with 2975 participants were included in this review. The pooled estimate of adherence rates for exercise interventions amongst older adults with sarcopenia was 85% (95% CI: 0.79-0.89, range: 71%-100%). Nine BCTs were identified from the included studies. Exercise with programme durations (<24 weeks) (P = 0.01) might be associated with higher adherence rates compared with programme durations (≥24 weeks). However, exercise adherence was not associated with intervention efficacy.
Conclusion:
Adherence to exercise interventions in community-dwelling older adults with sarcopenia is relatively high and may be affected by programme duration. Most studies incorporated only a small number of BCTs into their exercise interventions. Such an approach may be insufficient to enhance adherence in this population effectively. Future studies with theory-informed interventions to improve adherence in the field of exercise for older people with sarcopenia are needed.
