Table 5 Observed means and standard deviations for the groups at each time point, with medians and 25th and 76th percentiles reported for non-normal data
| Â | Intervention group | Control group | |||||||
|---|---|---|---|---|---|---|---|---|---|
Baseline | Week 8 | Week 16 | Week 24 | Baseline | Week 8 | Week 16 | Week 24 | ||
SE | Mean (SD) | 75.0 (18.6) | 74.8 (14.5) | 76.5 (15.7) | 71.8 (18.8) | 72.4 (16.3) | 70.3 (15.4) | 69.2 (13.4) | 71.7 (15.2) |
|  | Median (25th–75th) | 80.2 (67.0–90.8) | 76.9 (67.7–88.5) | 80.0 (70.7–89.1) | 76.6 (58.1–87.0) | 79.0 (59.0–87.5) | 75.7 (55.3–81.3) | 70.2 (60.7–79.4) | 72.4 (60.5–84.2) |
TST night | Mean (SD) | 359.9 (89.3) | 358.8 (69.6) | 367.0 (75.3) | 344.5 (90.0) | 347.6 (78.3) | 339.2 (75.2) | 332.0 (64.3) | 344.1 (73.2) |
|  | Median (25th–75th) | 385.1 (321.4–432.1) | 368.3 (324.9–425.0) | 383.4 (240.0–427.7) | 367.6 (278.6–415.2) | 379.1 (283.1–419.9) | 364.4 (265.6–394.7) | 336.9 (291.3–381.3) | 347.4 (290.6–404.3) |
TST 24 h | Mean (SD) | 623.3 (162.0) | 623.3 (162.0) | 597.7 (137.3) | 626.2 (179.7) | 669.2 (182.7) | 655.5 (157.1) | 646.2 (152.9) | 664.6 (186.4) |
TST day | Mean (SD) | 125.4 (70.3) | 119.9 (73.0) | 141.2 (100.2) | 137.1 (82.3) | 176.2 (93.1) | 150.0 (91.5) | 159.0 (90.9) | 154.5 (88.6) |
WASO | Mean (SD) | 58.8 (32.4) | 65.7 (36.4) | 56.3 (23.7) | 75.3 (48.7) | 76.3 (50.0) | 73.4 (43.5) | 73.6 (33.7) | 71.7 (39.1) |
SDI | Mean (SD) | 10.3 (14.9) | 8.0 (8.8) | 7.7 (12.3) | 6.9 (10.7) | 10.0 (12.8) | 19.2 (21.3) | 10.8 (10.5) | 9.4 (10.3) |
|  | Median (25th–75th) | 3.0 (0.0–13.0) | 5.5 (1.5–12.0) | 2.0 (0.0–12.0) | 2.0 (0.0–10.0) | 3.0 (0.0–18.0) | 12.0 (2.0–32.0) | 5.5 (2.0–21.0) | 5.0 (3.0–14.0) |
| Â | Proportion with sleep problems, n (%)* | 12 (40.0) | 11 (47.8) | 8 (40.0) | 8 (33.3) | 14 (45.2) | 12 (44.4) | 14 (60.9) | 12 (54.5) |