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. 2020 Jul 20;17(14):5225. doi: 10.3390/ijerph17145225

Table 2.

Effect of Grass Doll on physiological indices.

Physiological Indices Pre-Test Post-Test p t Effect Size
Systolic blood pressure (mmHg) 136.6 ± 4.0 138.0 ± 2.8 0.771 0.292 0.08
Diastolic blood pressure (mmHg) 80.5 ± 2.1 81.7 ± 1.9 0.676 0.421 0.12
Pulse rate (bpm) 75.7 ± 2.2 72.0 ± 2.2 0.234 −1.206 0.35
Salivary amylase activity (KU/L) 32.1 ± 6.5 17.3 ± 3.6 0.053 −1.985 0.57

Data are expressed as the mean± standard error. t: The t-test statistic for a paired sample t-test; p: The p-value (probability value) for the t-test statistic. The effect size is reported by Cohen’s d.