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. Author manuscript; available in PMC: 2014 Dec 1.
Published in final edited form as: J Pain. 2013 Dec;14(12 0):T102–T115. doi: 10.1016/j.jpain.2013.09.003

Table 1.

Lasso Regression Coefficients

Variable Standardized Hazard Ratio Hazard Ratio
somatization (SCL 90R) 1.180
count of 20 comorbid conditions 1.123
count of 6 non-specific orofacial symptoms 1.071
global sleep score (PSQI) 1.069
study site (Florida) 1.035 1.057
# of palpation sites with pain (right temporalis) 1.029
bodily pain (SF-12v2) 0.975
smoking history (never) 0.984 0.991
lifetime U.S. Residence (less than all my life) 0.985 0.967
average diastolic BP (orthostatic challenge) 1.013
# of painful anatomical locations during protrusion 1.009
# of palpation sites with pain (left temporalis) 1.008
negative impact of life events (LES) 1.005
general health (SF-12v2) 0.996
count of 10 IBS symptoms 1.003
# of palpation sites with pain (left TM joint) 1.003