Table 3.
Subjective sleep variables (sleep diary) predicting PTSD symptoms.
| TST (h) | SOL (mins) | NAwk | SE (%) | SQ | |
|---|---|---|---|---|---|
| PTSS within |
−0.421* [−0.758, −0.084] p = .014 |
0.019 [−0.005, 0.044] |
0.008 [−0.440, 0.455] |
−0.052 [−0.108, 0.004] |
−0.146 [−0.756, 0.464] |
| between |
−5.806** [−7.785, -3.826] p < .001 |
0.281** [0.133, 0.428] p < .001 |
5.097** [2.000, 8.194] p < .001 |
−0.824** [−1.154, −0.493] p < .001 |
−11.373** [−15.022, −7.724] p < .001 |
| Intrusion† within |
−0.015 [−0.075, 0.046] |
0.004* [0.000, 0.007] p = .032 |
0.017 [−0.058, 0.093] |
−0.002 [−0.011, 0.006] |
−0.005 [−0.116, 0.105] |
| between |
−0.423* [−0.708, −0.138] p = .004 |
0.017 [−0.003, 0.037] |
0.404* [0.012, 0.797] p = .044 |
−0.057* [−0.102, −0.012] p = .013 |
−0.975** [−1.530, −0.419] p < .001 |
Notes: Results are unstandardised regression coefficients [95% confidence interval]. PTSS: PTSD symptom severity (PCL-5), TST: total sleep time (hours), SOL: sleep onset latency (mins), NAwk: number of awakenings, SE: sleep efficiency (%), NMd: distress from nightmares (PCL item #2), SQ: sleep quality.
†
Poisson or negative binomial distribution.
* p<.05, ** p<.001.