Table 2.

Summary of study characteristics of participants from all included studies

Reference	Participants' characteristics		Duration of interventions
	Number of participants	Mean age of participants
[25](2020, Saudi Arabia)	40	54.4	14 weeks
[26](2020, Australia)	175	62.45	12 months
[27](2021, Taiwan)	66	65.26	12 weeks
[28](2018, The Netherlands)	208	62.9	12 months
[29](2018, Australia)	148	60.8	9 months
[30](2017, Australia)	168	62.25	6 months
[31](2017, Iran)	54	55.5	6 weeks
[32](2018, the USA)	350	65.3	12 months