Table 3 Determinants of potentially inappropriate prescribing in the study population (multivariate analysis)

START-PIP

ADL lowest quintile^a

0.8 [0.4–1.5]

0,523

Age, per year

1.0 [0.9–1.1]

0,227

CIRS >4

1.0

CIRS <4

0.2 [0.1–0.3]

<0,001

CIRS=4

0.6 [0.3–1.1]

0,090

GDS-15 >4^b

1.2 [0.7–2.0]

0,442

Gender, women

0.9 [0.6–1.4]

0,727

Tinetti ≤ 18^c

1.0

Tinetti 25–28

0.5 [0.2–1.2]

0,130

Tinetti 19–24

0.9 [0.3–2.2]

0,840

STOPP-PIP

ADL lowest quintile

1.5 [1.0–2.4]

0.050

Age, per year

1.0 [0.9–1.0]

0.957

Gender, women

1.2 [0.9–1.8]

0.211

Resident in a nursing home

1.8 [0.9–3.2]

0.056

BEERS-PIP

ADL lowest quintile

1.1 [0.7–1.9]

0.558

Age, per year

0.9 [0.9–1.0]

0.515

CIRS >4

1.0

CIRS < 4

0.4 [0.3–0.7]

<0.001

CIRS = 4

0.6 [0.4–0.9]

0.041

GDS-15 >4

1.5 [0.9–2.3]

0.094

Gender, women

1.2 [0.8–1.8]

0.364

Resident in a nursing home

1.8 [1.0–3.4]

0.045