| Control group | Intervention group | Both groups | ||||||
---|---|---|---|---|---|---|---|---|---|
Mean/ | (SD)/ | N | Mean/ | (SD)/ | N | Mean/ | (SD)/ | N | |
n/ | (%)/ | n/ | (%)/ | n/ | (%)/ | ||||
median | (IQRa) | median | (IQRa) | median | (IQRa) | ||||
Demographic variables: | |||||||||
 Females | 26 | (67%) | 39 | 43 | (84%) | 51 | 69 | (77%) | 90 |
 Age | 85.3 | (7.6) | 39 | 88.2 | (8.3) | 51 | 87.0 | (8.1) | 90 |
 BMI | 23.5 | (4.6) | 32 | 24.0 | (3.9) | 48 | 23.8 | (4.2) | 80 |
 Systolic blood pressureb | 128 | (17) | 37 | 130 | (18) | 49 | 129 | (18) | 86 |
 Diastolic blood pressureb | 70 | (13) | 37 | 70 | (12) | 49 | 70 | (12) | 86 |
 Activities of daily livingc | 17.0 | (5.5) | 39 | 17.8 | (.15) | 51 | 17.3 | (5.3) | 90 |
 Regular prescriptions | 7.5 | (4.0) | 39 | 7..6 | (3.9) | 51 | 7.6 | (3.9) | 90 |
 Diagnoses | 4.2 | (2.0) | 39 | 4.5 | (2.9) | 51 | 4.4 | (2.6) | 90 |
Cognitive function: | |||||||||
 MMSEa (0-30) | 12 | (7-17) | 35 | 10 | (5-13) | 49 | 11 | (5-16.5) | 84 |
 No (24-30) | 2 | (6%) |  | 3 | (6%) |  | 5 | (6%) |  |
 Mild (18-23) | 6 | (17%) |  | 7 | (14%) |  | 13 | (15%) |  |
 Moderate (12-17) | 10 | (28%) |  | 10 | (21%) |  | 20 | (24%) |  |
 Severe (0-11) | 17 | (49%) |  | 29 | (59%) |  | 46 | (55%) |  |
Blood pressureb: | Â | Â | Â | Â | Â | Â | Â | Â | 86 |
 Low (blood pressure < 120) | 12 | (32%) |  | 12 | (24%) |  | 24 | (28%) |  |
 Normal (120 ≤ blood pressure < 141) | 18 | (49%) |  | 25 | (52%) |  | 43 | (50%) |  |
 High (blood pressure ≥ 141) | 7 | (19%) |  | 12 | (24%) |  | 19 | (22%) |  |
Hypertension diagnoses: | |||||||||
 Elevated blood pressure (K85) | 1 | (3%) | 39 | 1 | (2%) | 51 | 2 | (2%) | 90 |
 Uncomplicated hypertension (K86) | 11 | (28%) | 39 | 13 | (25%) | 51 | 24 | (27%) | 90 |
 Hypertension with organ complications (K87) | 1 | (3%) | 39 | 2 | (4%) | 51 | 3 | (3%) | 90 |
Medication (ATC Code): | |||||||||
 Antihypertensive medications | 21 | (54%) | 39 | 26 | (51%) | 51 | 47 | (52%) | 90 |
 High-ceiling diuretics (C03C) | 13 | (33%) | 39 | 13 | (25%) | 51 | 26 | (29%) | 90 |
 Beta-blockers (C07A) | 13 | (33%) | 39 | 14 | (27%) | 51 | 27 | (30%) | 90 |
 Plain angiotensin II antagonists (C09C) | 3 | (8%) | 39 | 9 | (18%) | 51 | 12 | (13%) | 90 |
 Plain ACE inhibitors (C09A) | 3 | (8%) | 39 | 2 | (4%) | 51 | 5 | (6%) | 90 |
 Calcium channel blockers, mainly vascular effect (C08C) | 2 | (5%) | 39 | 5 | (10%) | 51 | 7 | (8%) | 90 |
Sleepa: | |||||||||
 Total sleep time (TST) | 443 | (348-552) | 37 | 514 | (425-601) | 46 | 492 | (371-572) | 83 |
 Sleep onset latency (SOL) | 24 | (10-95) | 37 | 23 | (10-64) | 46 | 24 | (10-79) | 83 |
 Wake after sleep onset | 149 | (105-193) | 37 | 127 | (82-202) | 46 | 142 | (93-202) | 83 |
 Daytime sleep (DTS) | 170 | (102-237) | 37 | 115 | (204-342) | 45 | 180 | (110-276) | 82 |
 Early morning awakening (EMA) | 39 | (31-73) | 37 | 28 | (14-56) | 46 | 35 | (19-70) | 83 |