Table 3 Survey composition and analysis methods

Survey context	Sub-survey items	Analysis methods
Characteristics of respondents (3)	Gender, age, grade	Frequency
Current usage (7)	Purpose, day, time, stay duration, companions, preferred plants, frequently used space	Frequency
Importance · satisfaction (24)	Naturalness (9), functionality (13), effectiveness (2)	IPA, t-test
Satisfaction and improvements (7)	Overall satisfaction, importance/satisfaction ranking for space, reasons for satisfaction, suggested improvements (3)	t-test, χ2 test, Frequency