Table 3.
Changes due to transition into DST among morning and intermediate types
| Variable | Mean | SD | P value |
| Morning types | |||
| IS | -0.16 | 0.14 | 0.1 |
| IV | +0.05 | 0.31 | 0.5 |
| RA | +0.01 | 0.02 | 0.9 |
| tau | +16.00 | 17.66 | 0.1 |
| Intermediate types | |||
| IS | -0.03 | 0.08 | 0.2 |
| IV | -0.04 | 0.15 | 0.6 |
| RA | +0.01 | 0.02 | 0.9 |
| tau | -1.00 | 11.66 | 0.2 |
Abbreviations: SD = standard deviation, IS = intra-daily stability, IV = intra-daily variability, RA = relative amplitude, tau = circadian period.