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Table 3 Ranking of the predictors of polypharmacy by their overall discriminatory power

From: Using classification tree modelling to investigate drug prescription practices at health facilities in rural Tanzania

Independent variable

Power

Total number of diagnoses per patient on a single visit

100.0

Ownership of health facility (public/private)

36.1

Patient treated with artemether lumefantrine

26.8

Health worker age

26.0

Patient seen by health worker with IMCI training

16.1

No stockouts of artemether lumefantrine in previous 90 days

13.9

Health worker sex

12.1

Patient seen by health worker supervised within previous six months

11.5

Transmission season

4.8

Availability of any scale in the health facility

4.5

Patient seen by health worker with experience on caring patients

3.9

Supplies to administer oral medications

2.4

Type of health facility

1.0

Health workers' cadre

0.4

Any artemether lumefantrine available in health facility today

0.1