. Author manuscript; available in PMC: 2016 May 7.

Published in final edited form as: Int J Psychophysiol. 2012 Oct 23;86(3):283–290. doi: 10.1016/j.ijpsycho.2012.10.009

Table 3.

Predicting psychological stress reactivity (N=87).

		State anxiety
		Follicular		Luteal
		β	R	β	R
Stressor		.68^**		−.43^**
	Model 1	.46^**		.18^**
		β	R²	β	R²
Shortened Premenstrual Assessment Form
Premenstrual affect score		−.04		.20^*
Premenstrual water retention score		−.04		−.12
Premenstrual pain score		.11		.09
	Model 2	.01		.04
Pittsburgh Sleep Quality Index
Subjective sleep quality		−.03		.19
Minutes to fall asleep		.15		−.06
Hours spent asleep		.08		−.34^**
Habitual sleep efficiency		.03		.13
Sleep disturbance		.08		−.13
Use of sleep medication		−.02		−.01
Daytime dysfunction		−.04		−.09
	Model 3	.04		.13
Total		.51		.35

Note. Hierarchical regression models showing the effects of premenstrual symptoms and sleep characteristics on psychological stress reactivity during the follicular and luteal phases of the menstrual cycle while controlling for stressor type. Model statistics reflect R² change for addition of the variables listed above it to the model.

p<.05.

^**

p<.01.