. Author manuscript; available in PMC: 2021 Mar 1.

Published in final edited form as: Heart Lung. 2019 Dec 12;49(2):117–122. doi: 10.1016/j.hrtlng.2019.10.010

Table 1.

Baseline Demographics and Relationships with Sleep-related Impairment (N=100)

Characteristic	N (%) or Mean ± SD [Minimum - Maximum]	Statistics with Sleep-related Impairment
Gender
Male	50 (50%)	t₍₉₈₎ = 0.68, p = .498
Female	50 (50%)
Age, years	60.3 ± 12.73 [23–88]	r = 0.009, p = .930
Marital Status
Single	13 (13%)	F_{(2, 97)} =.562, p = .572
Married, partnered	51 (51%)
Widowed, divorced, separated	36 (36%)
Current Living Arrangement
Homeless	1 (1%)	F_(4,95) = 1.477, p = .215
Alone	23 (23%)
With spouse, partner	51 (51%)
With relatives, others	16 (16%)
Group housing	9 (9%)
Race, Ethnicity
Hispanic ethnicity	5 (5 %)	t₍₉₈₎ = 0.104, p = .917
More than one race	14 (14%)	F_(4,95) = .541, p = .706
White only	79 (79%)
Black only	4 (4%)
Asian only	2 (2%)
Pacific only	1 (1%)
Social Support (ENRICHD)	25.4 ± 6.81 [8–34]	r = −.221, p = .027

Note. ENRICHD = Enhancing Recovery in Coronary Heart Disease; Associations of demographics with sleep-related impairment were evaluated using Pearson correlations; Differences in sleep-related impairment by categories of demographics were evaluated using independent sample t-tests or analyses of variance.