Skip to main content
. 2014 Jan 24;231(14):2785–2798. doi: 10.1007/s00213-014-3447-z

Table 1.

Demographics, sleep diary data, and overview of hypnotic use for the insomnia groups (means and SD are displayed)

Chronic users
n = 16
Infrequent users
n = 16
Controls
n = 16
Age (years) 62.6 (4.5) 62.3 (6.2) 62.9 (4.3)
Gender (n) 7 females, 9 males 8 females, 8 males 7 females, 9 males
Pittsburgh Sleep Quality Index 11.9 (3.7) 12.4 (2.2) 2.5 (1.5)
Sleep Onset Latency (min) 43.6 (34.4) 60.8 (64.3) 14.0 (8.9)
Total Sleep Time (min) 381 (103) 306 (64) 448 (26)
Sleep Efficiency (%) 73.4 (14.1) 65.6 (14.2) 90.7 (7.3)
Number of users of hypnotics (%) 16 (100 %) 10 (62.5 %) 0 (0 %)
Frequency of hypnotic use (nights per week) 6.6 (1.0) 1.1 (0.8) 0
Duration of hypnotic use (years) 7.1 (5.0) 7.8 (8.1) 0
Hypnotics and doses used (n)
 Flurazepam 15 mg 1 0
 Lorazepam 1 mg 0 1
 Lormetazepam 0.5 mg 1 0
 Lormetazepam 2 mg 1 0
 Midazolam 7.5 mg 3 0
 Nitrazepam 5 mg 1 1
 Oxazepam 10 mg 1 0
 Oxazepam 20 mg 1 0
 Oxazepam 50 mg 1 0
 Temazepam 10 mg 2 4
 Temazepam 20 mg 1 1
 Zopiclone 3.75 mg 2 0
 Zopiclone 7.5 mg 1 3