Table 1 Baseline characteristics of the study subjects
From: A dietary supplement to improve the quality of sleep: a randomized placebo controlled trial
Active group (n = 51) | Placebo group (n = 50) | |
|---|---|---|
Male (%) | 19 (37) | 13 (26) |
Age (mean, range) | 40,9 (25,1-64,7) | 41,8 (24,9-64,8) |
Patient < 40 years | 23 (45%) | 24 (48%) |
Patient > 40 years | 28 (55%) | 26 (52%) |
Mean body weight, kg (range) | 67 (46-103) | 65,4 (45-99) |
Non smokers (%) | 35 (69) | 32 (64) |
Socio-professional status | ||
Intermediate | 18 | 17 |
Students | 11 | 08 |
Superior | 10 | 11 |
Employee | 9 | 13 |
Retired | 3 | 1 |
Morningness-eveningness | ||
Quite morning type | 2 | 3 |
Rather morning type | 13 | 14 |
Neither morning, nor evening type | 23 | 23 |
Rather evening type | 9 | 6 |
Quite evening type | 4 | 4 |
ISI Score | ||
Score 8 to 14 (Minor insomnia) | 17 (33%) | 17 (33%) |
Score 15 to 21 (Moderate Insomnia) | 28 (55%) | 28 (55%) |
Score 22 to 28 (Severe insomnia) | 6 (12%) | 5(12%) |