Table 3 Odds ratios from regression analysis of factors associated with price increases above thresholds

 1

1.53

<0.01

1.33

0.02

1.33

0.03

 2

1.26

0.04

1.31

0.03

1.07

0.60

 3

1.05

0.64

1.10

0.11

1.35

0.01

 4

0.93

0.48

1.10

0.42

1.11

0.42

 ≥ 5

Ref

-

Ref

-

Ref

-

 All Others

Ref

-

Ref

-

Ref

-

 Injectable

0.88

0.30

0.90

0.46

0.97

0.85

 Oral

0.83

0.10

1.02

0.90

1.11

0.39

 Branded Generic

Ref

-

Ref

-

Ref

-

 Generic

0.49

<0.01

0.81

0.09

0.97

0.84

 Volume >1,000 units

Ref

-

Ref

-

Ref

-

 Volume <1,000 units

1.28

0.02

1.38

<0.01

1.46

<0.01

 No

Ref

-

Ref

-

Ref

-

 Yes

1.15

0.15

1.04

0.71

1.12

0.31