Table 2.
Prevalence of Sleep-Related Factors in Men and Women Aged 55–64 and 65 or More Years
| Men |
Women |
Gender difference |
|||||
| 55–64 y |
≥65 y |
55–64 y |
≥65 y |
||||
| N (%) | N (%) | p | N (%) | N (%) | p | p | |
| Sleep duration, h | <.001 | <.001 | .62 | ||||
| ≤6 | 63 (13.4) | 106 (22.0) | 83 (15.3) | 179 (21.0) | |||
| 7–8 | 365 (77.3) | 283 (58.3) | 388 (70.9) | 516 (62.5) | |||
| ≥9 | 45 (9.4) | 100 (19.7) | 76 (13.9) | 159 (16.5) | |||
| Insomnia-related symptoms | |||||||
| Sleeping disorders or insomnia | .01 | .24 | <.001 | ||||
| No | 343 (67.5) | 337 (59.3) | 324 (54.5) | 495 (50.3) | |||
| Somewhat | 115 (23.1) | 158 (26.9) | 151 (25.3) | 288 (28.7) | |||
| Much or very much | 48 (9.4) | 85 (13.8) | 120 (20.2) | 215 (21.0) | |||
| Difficulties in getting sleep without sleeping medicine | <.001 | <.001 | <.001 | ||||
| No | 335 (70.8) | 296 (60.6) | 325 (59.4) | 413 (48.6) | |||
| Sometimes | 109 (22.9) | 125 (25.5) | 160 (29.1) | 249 (30.0) | |||
| Often or always | 30 (6.3) | 76 (13.9) | 63 (11.5) | 196 (21.4) | |||
| Awaking in the small hours or very early | .003 | .07 | .63 | ||||
| No | 30 (6.5) | 18 (3.6) | 36 (6.5) | 40 (4.3) | |||
| Sometimes | 263 (55.6) | 237 (48.7) | 287 (51.7) | 420 (49.0) | |||
| Often or always | 180 (38.0) | 242 (47.8) | 232 (41.8) | 408 (46.7) | |||
| Fatigue | |||||||
| Weakness or tiredness | .004 | <.001 | <.001 | ||||
| No | 354 (70.4) | 345 (60.9) | 356 (59.9) | 457 (48.3) | |||
| Somewhat | 100 (19.9) | 152 (26.5) | 165 (27.7) | 326 (33.0) | |||
| Much or very much | 49 (9.7) | 83 (12.6) | 73 (12.5) | 212 (18.7) | |||
| Overstrained or exhaustion | .09 | .45 | <.001 | ||||
| No | 393 (78.2) | 424 (74.1) | 393 (66.6) | 638 (66.4) | |||
| Somewhat | 82 (16.4) | 99 (17.3) | 142 (24.4) | 227 (22.8) | |||
| Much or very much | 27 (5.4) | 54 (8.6) | 52 (9.0) | 114 (10.9) | |||
| Exceptional tiredness | .22 | .14 | .63 | ||||
| No | 278 (78.7) | 270 (74.9) | 297 (78.2) | 429 (73.9) | |||
| Often or always | 75 (21.3) | 94 (25.1) | 82 (21.8) | 154 (26.1) | |||
Note: Differences between groups were examined with chi-square test. P values showing statistically significant difference between age groups (p < 0.05) are bolded.