Table 2.
Analytic Sample Baseline Characteristics (n = 23) by OCPD status
| Overall Sample | OCPD (n=8) |
No OCPD (n=15) |
||
|---|---|---|---|---|
| Variable |
M (SD) or n (%) |
Range |
M (SD) or n (%) |
M (SD) or n (%) |
| Age | 53 (9.9) | 33 – 68 | 52.5 (11.5) | 53.3 (9.4) |
| Sex (female) | 17 (73.9) | -- | 5 (62.5) | 12 (80.0) |
| Education (years completed) | 16.0 (2.1) | 13 –20 | 14.9 (2.3) | 16.6 (1.8) |
| Total No. Medications (sleep + other) | 4.5 (2.3) | 1–11 | 5.8 (2.6) | 3.8 (1.9) |
| Sleep Medication duration (years) | 2.9 (2.4) | 0.5 – 10 | 3.8 (3.1) | 2.4 (2.0) |
| Insomnia Duration (years) | 10.2 | 0.7 – 52 | 10.5 (8.8) | 10.0 (13.6) |
| Insomnia Nights per week | 4.9 (1.5) | 2.5 – 7 | 4.4 (1.5) | 5.2 (1.5) |
| Insomnia Severity Index | 16.2 (4.6) | 7 – 25 | 15.8 (4.4) | 16.5 (4.9) |
| Sleep diary TST (min) | 363.4 (62.3) | 230.4 – 478.9 | 387.8 (74.8) | 350.5 (52.8) |
| Sleep diary SE | 74.3 (9.8) | 48.1 – 86.6 | 77.3 (9.5) | 72.7 (9.9) |
| Sleep diary SOL | 39.5 (21.7) | 15.0 – 107.1 | 33.1 (22.0) | 42.9 (21.5) |
| Sleep diary WASO | 49.2 (30.0) | 5.4 – 134.4 | 59.6 (38.0) | 43.6 (24.4) |
| Sleep diary quality rating | 2.6 (0.5) | 1.0 – 3.6 | 2.7 (0.5) | 2.6 (0.5) |
| PSG TST | 397.0 (46.2) | 299.5 – 501.8 | 407.7 (63.4) | 391.3 (35.3) |
| PSG SE | 85.4 (7.6) | 68.6 – 97.8 | 86.2 (10.5) | 85.0 (6.0) |
| PSG SOL | 16.3 (15.6) | 1.5 – 73.8 | 11.4 (8.2) | 19.0 (18.0) |
| PSG NWAK | 5.0 (3.2) | 1.0 – 15.5 | 4.3 (2.8) | 5.3 (3.5) |
| PSG WASO | 41.7 (35.9) | 8.8 – 101.8 | 37.6 (29.8) | 44.1 (21.4) |
| TST (sleep diary) during PSG nights | 371.2 (70.8) | 197.0–477.5 | 378.0 (74.7) | 367.3 (69.1) |
| SE (sleep diary) during PSG nights | 78.0 (12.7) | 41.1–93.8 | 77.2 (13.1) | 78.4 (12.5) |
| Sleep quality ratings (sleep diary) during PSG nights | 3.0 (0.9) | 1.0–5.0 | 2.9 (1.0) | 3.1 (0.9) |
| STAI scores during PSG nights | 30.8 (8.6) | 20–48.5 | 29.4 (8.3) | 31.5 (8.7) |
| N1% | 11.0 (7.9) | 2.5 – 36.1 | 11.2 (10.7) | 10.8 (6.3) |
| N2% | 67.5 (10.0) | 34.9 – 84.0 | 66.6 (13.7) | 67.8 (7.8) |
| N3% | 2.7 (5.3) | 0.0 – 23.2 | 1.7 (2.9) | 3.2 (6.2) |
| REM% | 19.0 (5.4) | 11.7 – 29.5 | 20.5 (5.7) | 18.6 (5.3) |
| Total dosage of all hypnotic medications in LRD units (diaries) | 2.3 (2.0) | 0.5 – 8.0 | 2.6 (2.7) | 2.2 (1.8) |
| Total dosage of all hypnotic medications in LRD units (PSG) | 2.6 (2.5) | 0.4 – 9.0 | 3.2 (3.1) | 2.2 (2.2) |
LRD = lowest recommended dose; NWAK = number of awakenings; REM = rapid eye movement; SE = sleep efficiency; SOL = sleep onset latency; STAI = State-Trait Anxiety Inventory; TST = total sleep time; WASO = wake after sleep onset