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. 2019 Apr 1;16(7):1172. doi: 10.3390/ijerph16071172

Table 4.

Country comparison indicating respondents’ responses to which symptoms can be reduced by contact with nature (green = highly significant differences, orange = significant differences, red = no significant differences).

Reduction of Symptoms (ANOVA) Sum of Squares F Sig.
Irritability Between Groups 27.673 25.115 0.000
Lack of ability to concentrate Between Groups 3462 2343 0.096
Insomnia Between Groups 3416 1933 0.145
Muscular tension Between Groups 120.390 63.640 0.000
Pain Between Groups 85.993 43.313 0.000
General anxiety Between Groups 27.731 17.508 0.000
Depression Between Groups 24.006 12.431 0.000
Short-term memory Between Groups 43.930 18.126 0.000