Table 3.

Association between prevalence of potentially inappropriate prescribing by quartile of Usual Provider of Care Index

STOPP criteria V2	OR (95% CI)^a
STOPP criteria V2	Low intermediate quartile	High intermediate quartile	High quartile
Loop diuretic for hypertension + urinary incontinence	0.88 (0.64 to 1.20)	0.93 (0.79 to 1.09)	0.88 (0.78 to 0.99)^b
Benzodiazepines with high risk of falls	0.65 (0.42 to 1.01)	0.57 (0.43 to 0.75)^b	0.75 (0.62 to 0.89)^b
Drugs likely to cause constipation	0.90 (0.79 to 1.04)	0.93 (0.87 to 1.00)	0.93 (0.89 to 0.98)^b
Corticosteroids (other than periodic intra-articular injections for mono-articular pain) for osteoarthritis	0.82 (0.54 to 1.23)	0.72 (0.56 to 0.92)^b	0.84 (0.72 to 0.99)^b

↵a Compared with lower quartile for Usual Provider of Care Index.
↵b P-value <0.05, logistic regression adjusted for age, sex, the diagnosis of 14 chronic conditions, frailty status, and number of GP consultations during the lead-in period. CI = confidence interval. OR = odds ratio.