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. Author manuscript; available in PMC: 2013 Nov 1.
Published in final edited form as: J Pain. 2012 Sep 30;13(11):1099–1106. doi: 10.1016/j.jpain.2012.08.003

Table 2.

Predictors of longitudinal insomnia symptoms using Generalized Estimating Equation (GEE) models

Coefficient 95% CI p-value
Pain Group 1.52 0.90, 0.21 <0.001
Pubertal Development −0.15 −0.41, 0.11 0.262
Depressive Symptoms 0.05 0.01, 0.10 0.031
Sleep Hygiene −0.98 −1.62, −0.34 0.003
Cognitive Pre-sleep Arousal 0.03 −0.03, 0.10 0.327
Somatic Pre-sleep Arousal −0.02 −0.11, 0.07 0.644
Pain Intensity 0.08 −0.05, 0.21 0.208