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Table 3 Correlations of Brief PETS scores with demographic, clinical, and quality of care indicators at baseline

From: Deriving and validating a brief measure of treatment burden to assess person-centered healthcare quality in primary care: a multi-method study

Brief PETS scorea Age Total no. of conditions Annual incomed No. of poor physical health days in last 30e No. of poor mental health days in last 30e No. of days limited by poor physical/mental health in last 30e PACIC Problem solving / contextualf PACIC Follow-up coordinationf
Workload indexb −0.28 −0.03 −0.34 0.43 0.48 0.53 − 0.22 − 0.12
P < .001 NS P < .001 P < .001 P < .001 P < .001 P < .005 NS
Impact indexc − 0.37 0.07 − 0.41 0.61 0.61 0.66 − 0.12 0.00
P < .001 NS P < .001 P < .001 P < .001 P < .001 NS NS
Diet −0.17 −0.04 − 0.16 0.19 0.23 0.19 −0.18 −0.10
P < .01 NS P < .05 P < .005 P < .001 P < .005 NS NS
Exercise / physical therapy −0.26 0.07 −0.35 0.47 0.42 0.42 0.06 0.15
P < .001 NS P < .001 P < .001 P < .001 P < .001 NS NS
Medical expenses −0.26 0.02 −0.26 0.37 0.37 0.37 −0.17 −0.10
P < .001 NS P < .001 P < .001 P < .001 P < .001 P < .05 NS
Difficulty with healthcare services − 0.23 −0.02 − 0.34 0.27 0.25 0.27 −0.32 −0.13
P < .001 NS P < .001 P < .001 P < .001 P < .001 P < .001 NS
Medication side-effect bother − 0.17 0.04 − 0.19 0.31 0.25 0.29 −0.17 −0.11
P < .005 NS P < .001 P < .001 P < .001 P < .001 P < .05 NS
  1. aHigher PETS score = more burden. bAggregated mean of medical information, medications, medical appointments, and monitoring health scales. cAggregated mean of role/social activity limitations and physical/mental exhaustion scales. dFrom < $20,000/year (code = 1) to ≥ $100,000/year (code = 6). eCenters for Disease Control and Prevention, Healthy Days measure. fPatient Assessment of Chronic Illness Care: Higher score indicates better quality of care in the indicated domain. Scale administered in the REP sample only (N = 200)