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. Author manuscript; available in PMC: 2015 Oct 1.
Published in final edited form as: Pharmacotherapy. 2014 Jul 23;34(10):1022–1032. doi: 10.1002/phar.1462

Table 3.

Predictors of Medication-Related Problems Overall

Dependent
Variable		 Significant Predictors P-value Parameter Estimate
of B (95%
Confidence Interval)		 Beta R2 Change
in R2
Total no. of MRPs detecteda Step 1 Total no. of medications 0.001 0.663 (0.280– 1.046) 0.127 0.016 NA
Step 2b Dyslipidemia
≥ 1 ED visit
Obesity		 0.001
0.01
0.001		 7.558 (3.290–11.827)
5.827 (1.393–10.260)
10.878 (4.645–17.111)		 0.134
0.097
0.128		 0.064 0.048
Step 3 None identifiedc NS 0.066 0.002
a

: Overall model, p < 0.001.

b

: Predictor variables that were also included but were not significant were sex, race, and no. of chronic medications.

c

: Step 3: examined the addition of rural vs urban residence (p= 0.228) as a post hoc predictor variable.