A Fuzzy Logic-Based Personalized Method to Classify Perceived Exertion in Workplaces Using a Wearable Heart Rate Sensor

Table 5

Number of users for each effort level during stacking chair activity, grouped by method.

Perceived exertion	Borg	Chamoux	Personalized Chamoux	Fuzzy personalized Chamoux
VL	11	4	0	0
L	9	12	8	6
SM	0	4	6	6
M	0	0	4	5
SH	0	0	2	3