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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: J Agromedicine. 2011 Oct;16(4):251–260. doi: 10.1080/1059924X.2011.605722

Table 3.

Lagged associations of depressive symptoms and daytime sleepiness over time.

Depressive symptoms Sleepiness
b SE b SE
Depression n/a 0.20 0.05***
Depressive symptoms, previous 0.12 0.07 −0.001 0.05
Sleepiness 0.37 0.08*** n/a
Sleepiness, previous −0.03 0.08 0.23 0.06***
Gender
 Female n/a 0.99 0.72
Housing Type
 House 0.22 0.78 n/a
 Barracks 1.57 0.95 n/a
 Trailer Ref Ref n/a

p < .10

*

p < .05

**

p < .01

***

p < .001 (two-tailed)

Models control for the effects of time period.