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.

Lahti et al. Journal of Circadian Rhythms 2006 4:1   doi:10.1186/1740-3391-4-1