. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: Pers Individ Dif. 2017 Nov 23;123:217–222. doi: 10.1016/j.paid.2017.11.023

Table 2.

Means (SD), Frequencies (%), and Bivariate Correlations

	M (SD) or n (%)	Age	Income	Gender	Rumination	Negative affect	Sleep quality	Difficulty falling asleep
Neuroticism	60.25 (15.12)	−0.01	−0.12	0.06	0.43^***	0.36^***	−0.20^**	0.23^***
Age	46.81 (10.86)	1	−0.04	−0.02	−0.09	−0.08	0.09	−0.06
Income	n = 115 (51.8%) > $40,000/year		1	−0.003	−0.12^†	−0.07	0.16^*	−0.19^**
Gender	n = 161 (66.53%) female			1	0.04	0.01	−0.05	0.07
Rumination	42.37 (21.38)				1	0.73^***	−0.33^***	0.38^***
Negative affect	26.51 (17.74)				0.53^***	1	−0.38^***	0.45^***
Sleep quality	61.94 (19.80)				−0.06^**	−0.07^***	1	−0.56^***
Difficulty falling asleep	31.16 (19.80)				0.07^***	0.08^***	−0.40^***	1

Notes.

^†

p <.07.

p < .05.

^**

p < .01

^***

p < .001.

N_persons = 242, N_person-days = 2977; the top diagonal represents between-person correlations (i.e., daily measures aggregated across the 14-days) and the bottom diagonal represents within-person correlations (i.e., person-mean centered variables), when applicable.