Table 2.
Means of IVR recall ratings and aggregated ED ratings for morning reports (n = 83)
| Item [metric of scores] |
ED mean (SD) |
IVR recall mean (SD) |
IVR - ED mean difference |
IVR-ED by period interaction |
||||
|---|---|---|---|---|---|---|---|---|
|
|
|
|
||||||
| 3-day | 7-day | 28-day | 3-day | 7-day | 28-day | χ2 (df = 1) | χ2 (df = 2) | |
| Time gone to bed at night [hours and decimal hrs] |
23.45 (1.3) |
23.41 (1.2) |
23.40 (1.1) |
23.16 (1.3) |
23.08 (1.3) |
23.04 (1.3) |
28.34*** ED > IVR |
1.65 |
| Time got up in the morning [hours and decimal hrs] |
7.34 (1.3) |
7.39 (1.3) |
7.37 (1.1) |
7.21 (1.4) |
7.17 (1.5) |
7.15 (1.3) |
7.16** ED > IVR |
1.81 |
| Sleep latency [minutes and decimal mins] |
19.98 (17.0) |
22.89 (21.3) |
21.50 (19.1) |
20.74 (27.3) |
19.84 (20.5) |
17.49 (18.7) |
3.57 | 6.55* |
| Duration of sleep [hours and decimal hrs] |
6.91 (1.1) |
6.87 (0.9) |
6.92 (0.9) |
6.97 (1.1) |
6.88 (1.0) |
6.92 (1.1) |
0.18 | 0.32 |
| Trouble sleeping because … | ||||||||
| … couldn’t fall asleep [percent of days] |
21.3 (30.4) |
21.3 (25.5) |
19.6 (24.4) |
23.7 (34.1) |
25.1 (32.6) |
18.3 (29.1) |
0.73 | 6.22* |
| … woke up at night [percent of days] |
45.4 (37.9) |
51.1 (32.9) |
50.1 (30.4) |
52.2 (40.8) |
54.2 (39.9) |
46.1 (38.7) |
0.72 | 12.30*** |
| … had to use bathroom [percent of days] |
39.8 (40.9) |
40.5 (37.9) |
39.6 (35.4) |
43.4 (42.9) |
44.8 (41.6) |
39.5 (40.3) |
2.25 | 6.31* |
| … trouble breathing [percent of days] |
6.0 (19.5) |
10.3 (24.4) |
8.8 (20.4) |
6.0 (20.8) |
6.7 (19.8) |
6.3 (17.6) |
4.45* ED > IVR |
4.89 |
| … coughed/snored [percent of days] |
5.6 (19.9) |
7.7 (20.8) |
6.1 (17.6) |
4.8 (18.0) |
6.0 (18.4) |
3.7 (13.3) |
4.04* ED > IVR |
1.55 |
| … felt too hot [percent of days] |
11.2 (22.1) |
10.3 (19.0) |
10.7 (16.2) |
11.6 (22.2) |
10.5 (20.6) |
8.5 (15.9) |
0.34 | 4.16 |
| … felt too cold [percent of days] |
5.2 (17.5) |
5.2 (12.1) |
4.8 (10.8) |
5.2 (17.5) |
6.0 (14.2) |
4.3 (9.8) |
0.02 | 1.80 |
| … of pain [percent of days] |
17.3 (31.2) |
18.4 (27.3) |
17.1 (23.6) |
17.7 (31.2) |
17.9 (27.6) |
14.8 (25.6) |
0.38 | 2.06 |
| Sleep medication taken [percent of days] |
18.1 (35.6) |
20.5 (35.2) |
20.7 (33.9) |
19.3 (37.0) |
20.3 (36.6) |
19.2 (34.2) |
0.02 | 1.68 |
| Sleep quality rating [mean rating, scale 1-4] |
2.0 (0.6) |
2.1 (0.5) |
2.0 (0.5) |
2.1 (0.6) |
2.1 (0.5) |
2.1 (0.6) |
3.85 | 0.89 |
*
Note: p < .05,
**
p < .01,
***
p < .001, ED = electronic diary. All items from PSQI. χ2 values are from Wald tests.