Table 2 Adjusted odds of opioid prescription and unused opioids

Gender (ref=female)

0.87

(0.63–1.21)

0.43

1.12

(0.66–1.89)

0.67

Age

1.15

(1.12–1.17)

<0.001*

0.99

(0.96–1.03)

0.70

 Government-sponsored^a

0.72

(0.52 - 0.99)

0.05*

0.59

(0.35–0.97)

0.04*

ASA status (ref=ASA 1)

 ASA 2

0.62

(0.45–0.89)

< 0.001*

1.36

(0.80–2.30)

0.25

 ASA 3

0.46

(0.25–0.85)

0.01*

2.43

(0.89–6.66)

0.08

 ASA 4

0.46

(0.01–14.0)

0.65

N/A

N/A

N/A

Case length in minutes

1.01

(1.00–1.01)

< 0.001*

1.00

(0.96–1.03)

0.70

 Within 2 h of San Francisco (compared to SF-local)

1.40

(0.92–2.13)

0.11

1.47

(0.74–2.91)

0.27

 > 2 h from San Francisco

0.85

(0.52–1.37)

0.5

0.85

(0.37–1.94)

0.70

Constant

0.16

(0.1–0.3)

< 0.001*

0.70

(0.31–1.57)

0.39