Effects of Tai Chi on Self-Efficacy: A Systematic Review

The purpose of this systematic review is to summarize and update the readers regarding clinical studies that have investigated the effects of Tai Chi on self-efficacy and to describe their limitations and biases. Nine electronic databases were searched from the establishment of the database until August 10, 2017. All randomized controlled trials (RCTs), nonrandomized controlled studies (NRSs), quasi-experimental studies, or studies with pre-post design were included if they clearly defined a Tai Chi intervention and evaluated self-efficacy outcomes. We categorized these 27 studies into the "disease category" and the "population category," based on the types of participants. This systematic review summarizes the effects of Tai Chi on self-efficacy in various populations and found that Tai Chi appeared to have positive effects on self-efficacy in some populations. Fifteen research studies showed that Tai Chi had significant positive effects on self-efficacy, while 11 studies did not; only one study found a negative outcome at the follow-up. In addition, it is unclear which type, frequency, and duration of Tai Chi intervention most effectively enhanced self-efficacy. Tai Chi appears to be associated with improvements in self-efficacy. Definitive conclusions were limited due to the variation in study designs, type of Tai Chi intervention, and frequency, and further high-quality studies are required.

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