Table 1 Cohort characteristics.
From: Association between pet ownership and sleep in the Swedish CArdioPulmonary bioImage Study (SCAPIS)
SCAPIS subsamples | ||||
|---|---|---|---|---|
Sleep duration | PSQI | DIS | DSA | |
Number of subjects (n) | 4574 | 3788 | 4513 | 4538 |
Age (years) | 57.7 ± 4.4 | 57.5 ± 4.4 | 57.7 ± 4.4 | 57.6 ± 4.4 |
BMI (kg/m2) | 27.0 ± 4.4 | 26.7 ± 4.2 | 27.0 ± 4.4 | 27.0 ± 4.4 |
Sex | ||||
Men | 2207 (48.3) | 1856 (49.0) | 2172 (48.1) | 2187 (48.2) |
Women | 2367 (51.7) | 1932 (51.0) | 2341 (51.9) | 2351 (51.8) |
Nightshift work | ||||
No | 4117 (90.0) | 3456 (91.2) | 4065 (90.1) | 4088 (90.1) |
Yes | 330 (7.2) | 241 (6.4) | 323 (7.2) | 324 (7.1) |
Don’t know/don’t want to report | 127 (2.8) | 91 (2.4) | 125 (2.8) | 126 (2.8) |
Stable socio-economic status | ||||
No | 246 (5.4) | 157 (4.1) | 242 (5.4) | 248 (5.5) |
Yes | 4245 (92.8) | 3591 (94.8) | 4190 (92.8) | 4211 (92.8) |
Don’t know/don’t want to report | 83 (1.8) | 40 (1.1) | 81 (1.8) | 79 (1.7) |
Sleep apnea diagnosis | ||||
No | 4368 (95.5) | 3636 (96.0) | 4315 (95.6) | 4333 (95.5) |
Yes | 177 (3.9) | 137 (3.6) | 173 (3.8) | 176 (3.9) |
Don’t know/don’t want to report | 29 (0.6) | 15 (0.4) | 25 (0.6) | 29 (0.6) |
Diabetes diagnosis | ||||
No | 4201 (91.8) | 3506 (92.6) | 4149 (91.9) | 4170 (91.9) |
Yes | 373 (8.2) | 282 (7.4) | 364 (8.1) | 368 (8.1) |
Current smoker | ||||
No | 4109 (89.8) | 3440 (90.8) | 4059 (89.9) | 4077 (89.8) |
Yes | 405 (8.9) | 301 (7.9) | 395 (8.8) | 401 (8.8) |
Don’t know/don’t want to report | 60 (1.3) | 47 (1.2) | 59 (1.3) | 60 (1.3) |
Perceived stress level in the past year | ||||
Low | 3580 (78.3) | 3021 (79.8) | 3532 (78.3) | 3549 (78.2) |
High | 964 (21.1) | 760 (20.1) | 950 (21.1) | 957 (21.1) |
Don’t know/don’t want to report | 30 (0.7) | 7 (0.2) | 31 (0.7) | 32 (0.7) |
Social interaction | ||||
Low | 591 (12.9) | 432 (11.4) | 585 (13.0) | 588 (13.0) |
High (> 2 people/week) | 3949 (86.3) | 3338 (88.1) | 3898 (86.4) | 3918 (86.3) |
Don’t know/don’t want to report | 34 (0.7) | 18 (0.5) | 30 (0.7) | 32 (0.7) |
Alcohol consumption frequency | ||||
Low | 2882 (63.0) | 2306 (60.9) | 2837 (62.9) | 2855 (62.9) |
High (≥ 2 times/week) | 1677 (36.7) | 1472 (38.9) | 1661 (36.8) | 1667 (36.7) |
Don’t know/don’t want to report | 15 (0.3) | 10 (0.3) | 15 (0.3) | 16 (0.4) |
Physical activity | ||||
Never/seldom | 2517 (55.0) | 2017 (53.2 | 2480 (55.0) | 2497 (55.0) |
Regular (≥ 2 h/week) | 1989 (43.5) | 1738 (45.9) | 1969 (43.6) | 1972 (43.5) |
Don’t know/don’t want to report | 68 (1.5) | 33 (0.9) | 64 (1.4) | 69 (1.5) |
Educational status | ||||
No university degree | 2222 (48.6) | 1763 (46.5) | 2183 (48.4) | 2200 (48.5) |
University degree | 2342 (51.2) | 2023 (53.4) | 2320 (51.4) | 2329 (51.3) |
Don’t know/don’t want to report | 10 (0.2) | 2 (0.1) | 10 (0.2) | 9 (0.2) |
