Table 3.

Thermal behavior characteristics and perceptual responses.

	Younger	‘At Risk’
C → W
Time before behaving (min)	9.8 ± 4.3	8.4 ± 2.8
Number of behaviors (#)	4 ± 2	5 ± 5
Thermal discomfort (a.u.)	2.0 ± 0.2	2.2 ± 0.6 Y
Thermal sensation (a.u.)	2.5 ± 0.5	2.1 ± 0.6
Sweating perception (a.u.)	0.0 ± 0.1	0.0 ± 0.0
Shivering perception (a.u.)	1.3 ± 1.1	2.5 ± 2.4
W → C
Time before behaving (min)	14.5 ± 4.3	18.9 ± 18.4 *
Number of behaviors (#)	4 ± 2	4 ± 2
Thermal discomfort (a.u.)	2.1 ± 0.2	2.7 ± 0.5 *
Thermal sensation (a.u.)	5.7 ± 0.4 *	5.8 ± 0.4 *
Sweating perception (a.u.)	1.2 ± 1.1 *	0.9 ± 0.9 *
Shivering perception (a.u.)	0.0 ± 0.0 *	0.0 ± 0.1 *

Mean ± SD, Younger: n = 12, ‘At Risk’: n = 6, C→W: decision to move from cool-to-warm, W→C: decision to move from warm-to-cool,

^Ydifferent from younger (P < 0.01),

^*different from C→W (P ≤ 0.02)