Table 3.

Correlations (r) and coefficients of determination (R²) for mean hand skin temperature (°C) and percentage change in manual performance during an exposure T_AMB = −40°C for participants wearing an extreme cold protection clothing ensemble:

Task Category	Task Name	Correlation Coefficients (r)	Coefficients of Determination (R2)	p
Fine Motor	Disc test	−0.69	0.48	0.08
	Nut and bolt	−0.70	0.49	0.08
	Peg and ring	−0.85	0.73	0.014
	Maze time	−0.98	0.96	0.0001
	Maze errors	−0.88	0.78	0.008
Gross Motor	MER1	−0.80	0.64	0.03
	RT1	−0.76	0.58	0.05
	MT1	−0.99	0.98	0.00005
Strength	Grip strength	+0.92	0.85	0.003

¹Maze Error Rate (MER), Reaction Time (RT), and Movement Time (MT)