Skip to main content

Table 4 Correlations between POMS and physiological values in each condition

From: Evaluation of mental stress by physiological indices derived from finger plethysmography

 

POMS pre-task

Tension-anxiety

Depression-dejection

Anger-hostility

Vigor

Fatigue

Confusion

Pre-task

HF

0.17

0.10

-0.04

-0.10

0.19

-0.02

LF/HF

0.16

0.13

0.18

-0.02

0.06

-0.02

Finger pulse rate

0.11

0.05

0.09

-0.13

-0.27

0.01

Pulse amplitude

-0.17

-0.14

-0.15

0.03

0.10

-0.01

Lyapunov exponent

0.01

-0.26

-0.15

-0.06

-0.15

0.08

 

POMS post-task

Tension- anxiety

Depression- dejection

Anger-hostility

Vigor

Fatigue

Confusion

CWT-1

HF

-0.13

-0.27

0.10

-0.27

-0.02

-0.09

LF/HF

-0.14

-0.03

-0.06

0.22

-0.17

-0.07

Finger pulse rate

-0.71

0.21

-0.22

-0.06

0.01

-0.05

Pulse amplitude

-0.09

-0.21

0.09

-0.21

-0.17

0.06

Lyapunov exponent

-0.47**

-0.25

-0.05

0.15

-0.31

-0.28

CWT-2

HF

-0.24

0.03

-0.03

-0.24

0.14

-0.13

LF/HF

-0.29

-0.29

-0.05

0.06

-0.46**

-0.14

Finger pulse rate

-0.05

0.20

-0.09

-0.15

-0.01

-0.07

Pulse amplitude

-0.08

-0.26

0.20

-0.22

-0.17

0.11

Lyapunov exponent

-0.34

-0.13

0.02

0.05

-0.21

-0.28

CWT-3

HF

-0.29

0.12

0.07

-0.35

-0.07

-0.06

LF/HF

-0.36*

-0.32

-0.05

0.10

-0.33

-0.32

Finger pulse rate

-0.03

0.04

-0.14

-0.15

-0.06

-0.02

Pulse amplitude

0.01

-0.14

0.16

-0.23

-0.13

0.22

Lyapunov exponent

-0.31

-0.11

0.07

-0.09

-0.25

-0.20

Post-task

HF

-0.12

0.06

-0.01

0.09

0.04

-0.09

LF/HF

-0.09

-0.21

0.26

-0.23

-0.33

-0.06

Finger pulse rate

0.08

0.14

-0.02

-0.13

-0.07

-0.05

Pulse amplitude

-0.21

-0.06

-0.08

0.04

-0.17

-0.01

Lyapunov exponent

-0.18

-0.14

0.09

-0.04

-0.02

-0.12

  1. Values are given as Spearman’s rank correlation coefficient rho (n = 31). Values in bold had >0.30 correlation with POMS. *P < 0.05; **P < 0.01 (Spearman’s rank correlation). CWT, Stroop color-word conflict test; HF, high-frequency component; LF, low-frequency component; post-task, rest period after CWT; pre-task, rest period before CWT.