Table 3.
Sleep Problems at Follow-Up by HT Suspension Group
| Continuation Group (n = 518) | 1-Month Suspension Group (n = 452) | 2-Month Suspension Group (n = 435) | 1-Month versus Continuation | 2-Months versus Continuation | |
|---|---|---|---|---|---|
| mean (SD) | mean (SD) | mean (SD) | Difference (95% CI) | Difference (95% CI) | |
| Sleep quality index (average number of days; range 0 – 7) | 2.7 (1.5) | 3.1 (1.6) | 3.4 (1.6) | 0.49 (0.29, 0.69) | 0.70 (0.50, 0.91) |
|
| |||||
| mean (SD) | mean (SD) | mean (SD) | IRR a (95% CI) | IRR a (95% CI) | |
|
| |||||
| Sleep characteristics (average number of days; range 0 – 7) | |||||
| Trouble falling asleep | 1.3 (1.7) | 1.6 (2.0) | 2.0 (2.1) | 1.23 (1.05, 1.46) | 1.46 (1.24, 1.73) |
| Waking while sleeping | 4.4 (2.4) | 5.0 (2.3) | 5.2 (2.3 ) | 1.14 (1.07, 1.21) | 1.17 (1.10, 1.25) |
| Waking too early | 2.5 (2.4) | 3.1 (2.5) | 3.3 (2.5) | 1.24 (1.10, 1.40) | 1.31 (1.16, 1.48) |
| Sleeping Poorly | 2.3 (2.2) | 3.1 (2.5) | 3.4 (2.4) | 1.36 (1.22, 1.52) | 1.46 (1.31, 1.62) |
| Unsatisfied with sleep | 3.6 (2.4) | 4.0 (2.4) | 4.3 (2.2) | 1.12 (1.03, 1.22) | 1.20 (1.10, 1.30) |
| Not rested when woke up | 3.4 (2.3) | 3.9 (2.3) | 4.1 (2.2) | 1.15 (1.06, 1.24) | 1.20 (1.10, 1.30) |
| Too little sleep | 2.5 (2.2) | 2.9 (2.5) | 3.0 (2.4) | 1.17 (1.04, 1.32) | 1.21 (1.07, 1.37) |
|
| |||||
| n (%) | n (%) | n (%) | RR b (95% CI) | RRb (95% CI) | |
|
| |||||
| Sleep characteristics (reporting any days) | |||||
| Using sleep aids | |||||
| yes | 170 (33.0) | 136 (30.4) | 137 (31.6) | 0.89 (0.68, 1.17) | 0.94 (0.71, 1.23) |
| no | 345 (67.0) | 311 (69.6) | 296 (68.4) | ||
| Falling asleep at unscheduled times | |||||
| yes | 254 (49.7) | 234 (52.4) | 244 (56.4) | 1.11 (0.86, 1.41) | 1.31 (1.01,1.69) |
| no | 257 (50.3) | 213 (47.7) | 189 (43.7) | ||
a
IRR=Incidence rate ratio, for sleep outcomes measured in the number of days
b
RR=Relative risk, for binary sleep outcomes