Table 1

Univariate and multivariate GEE^a analyses of factors associated with being referred to Vancouver's supervised injection facility by local police officers

Characteristic^f

OR^b (95% CI^d)

p-value^c

AOR^b (95% CI^d)

p-value

Older Age

per year older

0.98 (0.96 – 1.00)

0.041

1.00 (0.98 – 1.02)

0.961

Gender

Female vs. Male

0.73 (0.52 – 1.01)

0.059

Aboriginal Ethnicity

Yes vs. No

1.51 (1.05 – 2.16)

0.027

1.41 (0.99 – 2.03)

0.065

Homelessness ^e

Yes vs. No

1.49 (1.08 – 2.06)

0.014

1.28 (0.92 – 1.78)

0.140

Sex Work ^e

Yes vs. No

2.03 (1.46 – 2.83)

<0.001

1.80 (1.28 – 2.53)

<0.001

Frequent Heroin Injection ^e

≥ daily vs. < daily

1.53 (1.14 – 2.06)

0.005

1.32 (0.98 – 1.79)

0.070

Frequent Cocaine Injection ^e

≥ daily vs. < daily

1.66 (1.24 – 2.24)

<0.001

1.54 (1.14 – 2.08)

0.005

Syringe Sharing ^e

Yes vs. No

0.99 (0.68 – 1.44)

0.971

Unsafe Syringe Disposal ^e

Yes vs. No

1.73 (1.20 – 2.50)

0.004

1.46 (1.00 – 2.11)

0.048

Note: ^aGEE = Generalized Estimating Equation; ^bOR = Odds Ratio, AOR = Adjusted Odds Ratio; ^cValues based on Wald χ² with 1 degree of freedom; ^dCI = Confidence Interval; ^eDenotes activities or situations referring to the previous 6 months; ^fFor full variable definitions see methods section.

DeBeck et al. Substance Abuse Treatment, Prevention, and Policy 2008 3:11   doi:10.1186/1747-597X-3-11