TABLE 2.
PSG sleep measurements and sleep quality among all CD participants and subset with positive urine upon admission
All Participants | Cocaine(+) at Admission | Healthy Comparison Data | |||||
---|---|---|---|---|---|---|---|
Week 1 | Week 2 | p | Week 1 | Week 2 | p | ||
Days Abstinent | 6.8 (0.7) | 5.2 (0.2) | |||||
TST | 392 (11) | 342 (14) | 0.004 | 399 (12) | 327 (19) | 0.002 | 416 (15) |
N1 | 28 (4) | 34 (6) | >0.1 | 29 (6) | 31 (5) | >0.1 | 242 (12)* |
N2 | 225 (9) | 191 (10) | 0.003 | 226 (12) | 192 (14) | 0.02 | |
N3 | 40 (8) | 39 (5) | >0.1 | 47 (12) | 34 (11) | 0.10 | 85 (14) |
REM | 99 (8) | 82 (6) | 0.08 | 97 (11) | 69 (6) | 0.04 | 87 (5) |
Sleep Latency | 18 (4) | 22 (4) | >0.1 | 16 (4) | 23 (5) | >0.1 | 14 (2) |
REM Latency | 35 (6) | 61 (10) | 0.04 | 32 (8) | 64 (12) | 0.02 | 73 (8) |
Subjective Sleep Quality (0–100) | 74 (3) | 82 (4) | 0.01 | 77 (4) | 85 (4) | 0.05 | 67 (6) |
includes N1 and N2 sleep time
All values given in minutes (s.e.m.) except for subjective sleep quality