Table 1.

Description of the inclusion/exclusion criteria according to population, intervention, comparison, outcomes, and study design (PICOS).

Search Strategy	Details
Inclusion criteria	P: People with schizophrenia
	I: Horticultural therapy
	C: Medication and conventional workshop training
	O: Symptoms, rehabilitation outcomes, quality of life, and social functioning
	S: Randomized controlled trials (RCTs) and quasi-experimental studies
Exclusion criteria	S: Non-original papers (opinion papers, review articles, commentaries, letters, protocols, and reports without quantitative data)
Language filter	English or Chinese
Time filter	From January 2000 to December 2020
Database	PubMed, Cochrane Library, Embase, Science Direct, and China National Knowledge Infrastructure