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. Author manuscript; available in PMC: 2014 Nov 30.
Published in final edited form as: Psychiatry Res. 2013 Jul 1;210(1):150–158. doi: 10.1016/j.psychres.2013.05.023

Table 1.

Demographic Characteristics and Baseline Measures Compared Between SAD Participants and Controls; M(SD).

SAD (n = 15) Controls (n = 15)
Age (y) 36.1(14.8) 37.4(14.7)
% Female 86.8% 73.4%
Baseline pupil diameter (mm) 5.73(1.14) 5.99(1.03)
MEQa 48.4(12.8) 54.5(8.8)
Daylength on assessment (hh:mm) 11:03(0:34) 11:18(0:33)
Time of assessment (hh:mm) 15:33(1:06) 15:31(1:37)
Calculated retinal irradiance
 Blue (log photons/cm2/s) 12.27(.22) 12.25(.18)
 Red (log photons/cm2/s) 12.49(.18) 12.44(.14)

All P’s were greater than 0.05 (ns).

a

MEQ - Morningness Eveningness Questionnaire measure of chronotype.