Table 1.
Frequency (and percent) or mean (± standard deviation) of respondent characteristics by presence or absence of deficiency within each of the three sleep variables, duration, quality, and insomnia symptoms, with p-value for test of no association with the sleep variables. Significant p-values are bolded. Variables significant across all three sleep variables are also bolded and include any pain, work interference, functional limitation, and psychological distress.
| Sleep Duration | Sleep Sufficiency | Insomnia Symptoms | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||
| <6 hrs/night (N=354) |
≥ 6hrs/night(N=1115) | p | Never/Rarely (N=428) |
Sometimes/Often/ Always(N=1075) |
p | ≥ 3times/wk (N=631) |
<3 times/wk (N=872) |
p | |||
| Any Pain | No | 73 (20.6%) | 312 (28.0%) | 0.006 | 87 (20.3%) | 306 (28.5%) | 0.001 | 130 (20.6%) | 268 (30.7%) | < 0.0001 | |
| Yes | 281 (79.4%) | 803 (72.0%) | 341 (79.7%) | 769 (71.5%) | 501 (79.4%) | 604 (69.3%) | |||||
|
| |||||||||||
| Work Interference | No | 206 (58.7%) | 781 (70.3%) | < 0.0001 | 238 (55.9%) | 769 (71.9%) | < 0.0001 | 380 (60.2%) | 632 (73.1%) | < 0.0001 | |
| Yes | 145 (41.3%) | 330 (29.7%) | 188 (44.1%) | 301 (28.1%) | 251 (39.8%) | 233 (26.9%) | |||||
|
| |||||||||||
| Functional Limitation | No | 271 (76.6%) | 945 (84.8%) | < 0.001 | 334 (78.0%) | 904 (84.1%) | 0.005 | 482 (76.4%) | 762 (87.4%) | < 0.0001 | |
| Yes | 83 (23.4%) | 170 (15.2%) | 94 (22.0%) | 171 (15.9%) | 149 (23.6%) | 110 (12.6%) | |||||
|
| |||||||||||
| Race | Hispanic | 13 (3.7%) | 49 (4.5%) | 0.001 | 20 (4.8%) | 43 (4.1%) | 0.912 | 18 (2.9%) | 45 (5.3%) | 0.001 | |
| White | 261 (74.4%) | 905 (82.3%) | 330 (78.8%) | 845 (79.7%) | 528 (84.6%) | 650 (75.9%) | |||||
| Black | 50 (14.2%) | 92 (8.4%) | 45 (10.7%) | 108 (10.2%) | 48 (7.7%) | 103 (12.0%) | |||||
| Mixed Race/Other | 27 (7.7%) | 54 (4.9%) | 24 (5.7%) | 64 (6.0%) | 30 (4.8%) | 58 (6.8%) | |||||
|
| |||||||||||
| Sex | Male | 29 (8.2%) | 108 (9.8%) | 0.393 | 41 (9.8%) | 99 (9.3%) | 0.770 | 60 (9.6%) | 81 (9.4%) | 0.916 | |
| Female | 323 (91.8%) | 998 (90.2%) | 379 (90.2%) | 969 (90.7%) | 567 (90.4%) | 780 (90.6%) | |||||
|
| |||||||||||
| Age (years) | 42.3 (± 11.45) | 40.9 (± 11.77) | 0.056 | 39.6 (± 10.88) | 42.0 (± 11.93) | < 0.001 | 42.9 (± 11.56) | 40.1 (± 11.60) | < 0.0001 | ||
|
| |||||||||||
| BMI (kg/m2) | 27.3 (± 5.84) | 26.0 (± 5.04) | < 0.001 | 26.4 (± 5.45) | 26.3 (± 5.22) | 0.765 | 26.5 (± 5.37) | 26.1 (± 5.22) | 0.154 | ||
|
| |||||||||||
| Psychological Distress | 3.2 (± 3.68) | 2.3 (± 3.21) | < 0.001 | 3.7 (± 4.11) | 2.1 (± 2.83) | < 0.0001 | 3.1 (± 3.69) | 2.2 (± 3.02) | < 0.0001 | ||
|
| |||||||||||
| Unit Category | ER | 25 (7.1%) | 56 (5.0%) | 0.485 | 26 (6.1%) | 59 (5.5%) | 0.822 | 32 (5.1%) | 51 (5.8%) | 0.017 | |
| OR | 37 (10.5%) | 109 (9.8%) | 44 (10.3%) | 107 (10.0%) | 66 (10.5%) | 84 (9.6%) | |||||
| Adult Med/Surg | 122 (34.5%) | 378 (33.9%) | 142 (33.2%) | 373 (34.7%) | 201 (31.9%) | 315 (36.1%) | |||||
| Adult ICU | 48 (13.6%) | 136 (12.2%) | 52 (12.1%) | 138 (12.8%) | 87 (13.8%) | 101 (11.6%) | |||||
| Stepdown | 18 (5.1%) | 59 (5.3%) | 25 (5.8%) | 55 (5.1%) | 27 (4.3%) | 54 (6.2%) | |||||
| Ped Med/Surg | 4 (1.1%) | 16 (1.4%) | 7 (1.6%) | 13 (1.2%) | 6 (1.0%) | 14 (1.6%) | |||||
| Ped ICU/NICU | 17 (4.8%) | 45 (4.0%) | 21 (4.9%) | 40 (3.7%) | 33 (5.2%) | 30 (3.4%) | |||||
| Psychiatry | 0 (0.0%) | 19 (1.7%) | 3 (0.7%) | 17 (1.6%) | 7 (1.1%) | 13 (1.5%) | |||||
| OB-Postpartum | 28 (7.9%) | 98 (8.8%) | 39 (9.1%) | 86 (8.0%) | 55 (8.7%) | 71 (8.1%) | |||||
| Float Pool | 12 (3.4%) | 50 (4.5%) | 16 (3.7%) | 48 (4.5%) | 30 (4.8%) | 34 (3.9%) | |||||
| Amb only/Consult/Educ | 35 (9.9%) | 120 (10.8%) | 46 (10.7%) | 109 (10.1%) | 79 (12.5%) | 76 (8.7%) | |||||
| Orthopedics | 8 (2.3%) | 29 (2.6%) | 7 (1.6%) | 30 (2.8%) | 8 (1.3%) | 29 (3.3%) | |||||
|
| |||||||||||
| Hours Worked | 30 hours | 60 (17.0%) | 277 (24.9%) | 0.004 | 95 (22.4%) | 241 (22.5%) | 0.178 | 137 (21.8%) | 200 (23.0%) | 0.229 | |
| 30-34 hours | 41 (11.6%) | 138 (12.4%) | 60 (14.1%) | 120 (11.2%) | 84 (13.4%) | 97 (11.2%) | |||||
| 35-39 hours | 98 (27.8%) | 324 (29.2%) | 117 (27.5%) | 315 (29.4%) | 185 (29.4%) | 247 (28.5%) | |||||
| 40-44 hours | 137 (38.8%) | 328 (29.5%) | 128 (30.1%) | 355 (33.1%) | 190 (30.2%) | 293 (33.8%) | |||||
| >44 hours | 17 (4.8%) | 44 (4.0%) | 25 (5.9%) | 41 (3.8%) | 33 (5.2%) | 31 (3.6%) | |||||
|
| |||||||||||
| Occupation | Staff Nurse | 238 (67.4%) | 812 (73.2%) | 0.074 | 291 (68.5%) | 768 (71.6%) | 0.375 | 447 (71.1%) | 612 (70.5%) | 0.024 | |
| Patient Care Associate | 31 (8.8%) | 68 (6.1%) | 32 (7.5%) | 82 (7.6%) | 35 (5.6%) | 79 (9.1%) | |||||
| Other | 84 (23.8%) | 230 (20.7%) | 102 (24.0%) | 222 (20.7%) | 147 (23.4%) | 177 (20.4%) | |||||
|
| |||||||||||
| Nightwork | 0-6 hrs/month | 188 (53.1%) | 651 (58.4%) | 0.167 | 228 (53.3%) | 629 (58.5%) | 0.175 | 379 (60.1%) | 479 (54.9%) | 0.085 | |
| 6-72 hrs/month | 99 (28.0%) | 291 (26.1%) | 121 (28.3%) | 274 (25.5%) | 160 (25.4%) | 234 (26.8%) | |||||
| >72 hrs/month | 67 (18.9%) | 173 (15.5%) | 79 (18.5%) | 172 (16.0%) | 92 (14.6%) | 159 (18.2%) | |||||
|
| |||||||||||
| Coworker Support | 7.8 (± 1.51) | 8.1 (± 1.45) | 0.008 | 7.8 (± 1.59) | 8.1 (± 1.45) | 0.007 | 8.0 (± 1.45) | 8.0 (± 1.52) | 0.552 | ||
|
| |||||||||||
| Supervisor Support | 10.5 (± 2.96) | 10.7 (± 2.96) | 0.228 | 10.0 (± 3.17) | 10.9 (± 2.88) | < 0.0001 | 10.6 (± 2.93) | 10.7 (± 3.02) | 0.444 | ||
|
| |||||||||||
| Job Demands | 36.4 (± 5.12) | 35.8 (± 5.13) | 0.080 | 36.8 (± 5.24) | 35.6 (± 5.14) | < 0.0001 | 36.3 (± 5.29) | 35.6 (± 5.08) | 0.006 | ||