Figure 3From: Physiological relaxation induced by horticultural activity: transplanting work using flowering plantsComparison of the values of log(LF/(LF + HF)) during a 15-minute horticultural and control activities using two-way repeated measures analysis of variance (ANOVA). Mean ± SD. (A) Type A group (N = 8); *P < 0.05; (B) type B group (N = 8); not significant. HF = high frequency, LF = low frequency.Back to article page