Table 1 Descriptive data at baseline. Mean (±standard deviation) or median (25–75 % interquartile range)
Placebo N = 41 | Melatonin N = 40 | P-value | |
|---|---|---|---|
Age, years | 62.9 (±4.7) | 62.4 (±3.5) | 0.46 |
BMI (kg/m2) | 24.9 (21.4;26.6) | 23.6 (21.3;27.5) | 0.38 |
Weight (kg) | 66.6 (60.0;76.0) | 65.0 (58.3;75.5) | 0.58 |
Systolic blood pressure (mmHg) | 143 (130;149) | 138 (128;144) | 0.15 |
Diastolic blood pressure (mmHg) | 83 (77;92) | 85 (76;91) | 0.76 |
Heart rate | 68 (64;75) | 70 (64;76) | 0.94 |
Dietary calcium (mg/d) | 950 (800;1125) | 975 (800;1100) | 0.66 |
Previous fracture after the age of 55 years, (N %) | 6 (15 %) | 8 (20 %) | 0.57 |
Prescribed medication, N (%) | 21 (51 %) | 20 (50 %) | 0.99 |
Simvstatin, N (%) | 5 (12 %) | 3 (8 %) | 0.71 |
Antidepressives, N (%) | 2 (5 %) | 2 (5 %) | 0.99 |
Benodiazepines, N (%) | 1 (2 %) | 0 | 0.99 |
Antihypertensives, N (%) | 6 (14 %) | 4 (10 %) | 0.74 |
Levothyroxine, N (%) | 1 (2 %) | 1 (2 %) | 0.99 |
Pittsburgh Sleep Quality Index > 5 | 20 (49 %) | 9 (23 %) | 0.02 |