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. 2016 Aug 4;18(8):e216. doi: 10.2196/jmir.5598

Table 4.

Results of random effect logistic panel regressiona(the 497 observations were constructed from the 5792 daily mental-health ratings reported via the mental-health tracker).


Ratio (P) Average (P) Frequency (P)
Sleep 2.722 (<.001) 0.348 (.036) 0.139 (.046)
Mood 1.783 (.001) 0.728 (.004) 0.177 (.001)
Anxiety 1.782 (.001) 0.396 (.005) 0.080 (.133)
Constant –1.965 (<.001) –6.002 (<.001) –1.404 (<.001)
Observations, n 497 497 497
Patients, n 78 78 78

aDependent variable: Mental status, which is 0 if normal (PHQ-9 score <5) and 1 if depressed (PHQ-9 score ≥5).