Indication of Mental Health from Fingertip Pulse Waves and Its Application

Table 2

Relationship between day-time LLE and deterioration in willpower, level of anxiety, tendency toward depression, and accumulation of fatigue.

	Willpower decrement	Anxiety	State of depression	Accumulated tiredness	LLE
Willpower decrement	1	0.7235	0.7539	0.7496	−0.639
Anxiety	0.7235	1	0.8455	0.9358	−0.728
State of depression	0.7539	0.8455	1	0.842	−0.701
Accumulated tiredness	0.7496	0.9358	0.842	1	−0.631
LLE	−0.6385	−0.7279	−0.7014	−0.6305	1

Correlation coefficients are given in bold.