SD-coefficient estimates represent β (regression line slope), interpreted as the difference in follow-up CPI associated with 1 SD higher baseline predictors when controlling for age, sex, the other predictors in the model, baseline CPI, as well as for treatments received, with the latter defined in three different ways: 1) Any Treatment, 2) Any Group A, B or C Treatments, and 3) Any Group D Treatment. Group A: Medical Management/Physical Rehabilitation, Group B: Mind-body/Complementary and/or Alternative Medicine (CAM), Group C: Occlusal Treatments/Surgery, and Group D: Standard Multidisciplinary Treatments. CPI: Characteristic Pain Intensity, PCS: Physical Component Summary, MCS: Mental Component Summary, JFLS: Jaw Functional Limitation Scale, SD: Standard Deviation, CI: Confidence Interval.