. Author manuscript; available in PMC: 2022 May 1.

Published in final edited form as: Pain. 2020 Nov 11:10.1097/j.pain.0000000000002144. doi: 10.1097/j.pain.0000000000002144

Table 4.

Logistic regression fatigue responder predictor models and validation model fit statistics

Model/Parameters	Estimate (SE)	Fit Statistics for Validation Data
Model/Parameters	Estimate (SE)	AIC	AUC (95% CI)

Model with SF-36 MCS score
Intercept	−3.12 (1.02)	230.25	0.64 (0.55, 0.73)
Married/with partner (vs single/widow/divorce)	1.34 (0.51)
Initial TENS response for fatigue (“decreased”)	1.88 (0.50)
SF-36 MCS score	0.04 (0.02)

Model with PROMIS sleep impairment
Intercept	1.24 (2.20)	221.87	0.67 (0.58, 0.75)
Married/with partner (vs single/widow/divorce)	1.32 (0.50)
Initial TENS response for fatigue (“decreased”)	1.78 (0.50)
PROMIS sleep impairment	−0.05 (0.03)

Model with marital status and initial TENS response for fatigue
Intercept	−1.76 (0.46)	218.47	0.66 (0.58, 0.75)
Married/with partner (vs single/widow/divorce)	1.39 (0.50)
Initial TENS response for fatigue (“decreased”)	1.85 (0.50)