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Table 5 Multivariate model reflecting factors associated with the DDD dispensed

From: Prescription opioid dispensing in New South Wales, Australia: spatial and temporal variation

Variables

Ba

p

95% Confidence Interval

Sex

 Men

1.00

–

–

 Women

1.13

< 0.01

1.11–1.15

Age-group (years)

 0–19

1.00

–

–

 20–44

4.23

< 0.01

4.06–4.40

 45–64

7.98

< 0.01

7.68–8.30

 65+

11.39

< 0.01

10.96–11.84

Year

 2013

1.00

–

–

 2014

0.97

< 0.01

0.95–0.99

 2015

1.02

0.04

1.00–1.04

SEIFA index of disadvantage

 Low

1.00

–

–

 Moderate

0.88

< 0.01

0.86–0.90

 High

0.85

< 0.01

0.83–0.87

 Very high

0.63

< 0.01

0.61–0.64

Urbanization

 Urban

1.00

–

–

 Rural

4.08

< 0.01

4.00–4.16

 Constant

1.80

< 0.01

1.73–1.88

  1. aExponentiated values of the coefficients estimated in the linear model of the logarithm of quantity of opioids dispensed