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Table 1 General characteristics of included studies (n = 28)

From: Medical empirical research on forest bathing (Shinrin-yoku): a systematic review

Characteristic Categories No. (%)
Country or region China 6 (21)
Korea 5 (18)
Japan 13 (46)
Poland 1 (4)
Taiwan 3 (11)
Research design RCT 17 (61)
NRCT 11 (39)
Participant Healthy people 17 (61)
People with health problems 11 (39)
Average age (years) 18 ≤ 1 (3.5)
> 18 ≤ 30 12 (43)
> 30 ≤ 45 1 (3.5)
> 45 12 (43)
Age unknown 2 (7)
Sample size ≤ 20 8 (29)
> 20 ≤ 50 7 (25)
> 50 13 (46)
Time 3 days ≤ 20 (71)
> 3 days 8 (29)
Ethical consideration Yes 25 (89)
No 3 (11)
Interdisciplinary research Yes 3 (11)
No 25 (89)