Comparisons of actigraphy variables across age and depression severity groups and associations with depression severity and age.

Means, standard deviations (SD) and statistics for actigraphy variables across age groups and depression severity levels. HDRS: Hamilton Depression Rating Scale, SleepON: sleep onset, SleepOFF: sleep offset, TiB: time in bed, TST: total sleep time, WASO: wake after sleep onset, SE: sleep efficiency, R2: circadian rhythmicity index.*p**p***p