Table 1.
Demographic and sleep characteristics of the full sample and stratified by group.
| Full sample (N = 1591) |
Co-sleeps with pets (N = 758) |
Does not co-sleep with pets (N = 833) |
p diff | |
|---|---|---|---|---|
| Age, years | 46.4 (17.5) | 44.2 (16.1) | 48.4 (18.5) | < 0.001 |
| Sex, % (n) | 0.010 | |||
| Female | 56.1 (892) | 60.0 (455) | 52.5 (437) | |
| Male | 43.5 (692) | 39.6 (300) | 47.1 (392) | |
| Did not disclose | 0.4 (7) | 0.4 (3) | 0.5 (4) | |
| Race, % (n) | < 0.001 | |||
| White | 75.5 (1201) | 81.4 (617) | 70.1 (584) | |
| Black | 12.8 (203) | 8.2 (62) | 16.9 (141) | |
| Hispanic or Latino | 10.8 (172) | 11.7 (89) | 10.0 (83) | |
| Asian or Asian American | 4.1 (66) | 1.8 (14) | 6.2 (52) | |
| American Indian or Alaska Native | 2.8 (45) | 2.2 (17) | 3.4 (28) | |
| Native Hawaiian or Pacific Islander | 0.4 (6) | 0.5 (4) | 0.2 (2) | |
| Educational attainment, % (n) | 0.71 | |||
| Less than high school | 2.5 (39) | 2.6 (20) | 2.3 (19) | |
| High school or equivalent | 27.4 (436) | 28.2 (214) | 26.7 (222) | |
| Some college; no degree | 24.5 (389) | 23.9 (181) | 25.0 (208) | |
| Associate’s degree | 11.9 (189) | 12.4 (94) | 11.4 (95) | |
| Bachelor’s degree | 22.1 (351) | 19.9 (151) | 24.0 (200) | |
| Graduate degree | 11.8 (187) | 12.9 (98) | 10.7 (89) | |
| Income, % (n) | 0.72 | |||
| Less than $35,000 | 34.4 (547) | 33.6 (255) | 35.1 (292) | |
| $35,000 to $75,000 | 35.8 (569) | 36.9 (280) | 34.7 (289) | |
| $75,000 to $150,000 | 22.3 (354) | 21.2 (161) | 23.2 (193) | |
| Over $150,000 | 7.6 (121) | 8.2 (62) | 7.1 (59) | |
| Sleep characteristics, M(SD) | ||||
| Perceived sleep quality | 0.0 (1.0) | 0.2 (1.0) | − 0.2 (1.0) | < 0.001 |
| Perceived sleep efficiency | 0.0 (1.0) | 0.0 (1.0) | − 0.0 (1.0) | 0.24 |
| Insomnia severity | 9.6 (6.4) | 10.6 (6.4) | 8.8 (6.2) | < 0.001 |
| Multidimensional sleep health | 7.6 (2.7) | 7.4 (2.5) | 7.7 (2.8) | 0.017 |
Note. Age, educational attainment, income, and sleep characteristic differences were evaluated using an independent-samples t-test with equal variances not assumed. Sex and race differences were evaluated using chi-squared tests.