Table 5.
Variance components for single-item measures of the diary.
| Source of variance |
|
Persona | Dayb | Person-by-dayc | Totald |
| Start intensity |
|
|
|
|
|
|
|
0-10 NRS | 2.495 | 0.077 | 1.234 | 3.806 |
|
|
% overall variance | 65.55% | 2.03% | 32.42% | 100.00% |
| Highest intensity |
|
|
|
|
|
|
|
0-10 NRS | 3.076 | 0.128 | 1.694 | 4.899 |
|
|
% overall variance | 62.79% | 2.62% | 34.59% | 100.00% |
| Duration |
|
|
|
|
|
|
|
Difference between starting and ending time (in minutes) | 102,960.884 | 891.587 | 32,333.475 | 136,185.946 |
|
|
% overall variance | 75.60% | 0.65% | 23.74% | 100.00% |
| Unpleasantness |
|
|
|
|
|
|
|
0-10 NRS | 2.387 | 0.005 | 3.627 | 6.019 |
|
|
% overall variance | 39.654% | 0.075% | 60.27% | 100.00% |
| Amount of sleep |
|
|
|
|
|
|
|
Hours of sleep | 0.969 | 0.007 | 3.332 | 4.207 |
|
|
% overall variance | 20.64% | 0.16% | 79.21% | 100% |
| Quality of sleep |
|
|
|
|
|
|
|
0-10 NRS | 1.276 | 0.000 | 3.486 | 4.762 |
|
|
% overall variance | 26.80% | 0% | 73.20% | 100% |
| Mood |
|
|
|
|
|
|
|
0-10 NRS | 0.955 | 0.002 | 3.023 | 3.980 |
|
|
% overall variance | 23.99% | 0.06% | 75.95 | 100% |
aPerson = variance due to between-person differences across all days.
bDay = variance due to differences between days across all persons.
cPerson-by-day = variance due to between-person differences at different days.
dTotal = sum of all variances.