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Table 4 Adjusted odds ratios and 95% confidence intervals for factors associated with preference for smoking opioid safe supply (n=282)

From: Smoking identified as preferred mode of opioid safe supply use; investigating correlates of smoking preference through a 2021 cross-sectional study in British Columbia

Smoking Opioid Safe Supply

 

Simple Bivariate OR (95% CI)

Block 1 (Demographics)

AOR (95% CI)

Block 2 (OD Characteristics)

AOR (95% CI)

Block 3 (Drug Use Characteristics)

AOR (95% CI)

Demographic Characteristics

Age Category

 ≤29

6.06 (2.15 – 17.05)**

5.95 (1.93 – 18.31)***

5.90 (1.85 – 18.82)***

4.26 (0.96 – 18.90)

 30-39

2.36 (1.24 – 4.49)**

2.51 (1.24 – 5.09)*

2.48 (1.21 – 5.10)**

1.59 (0.67 – 3.75)

 40-49

1.62 (0.87 – 3.03)

1.53 (0.76 – 3.07)

1.43 (0.70 – 2.91)

1.56 (0.67 – 3.63)

 ≥50

 Unknown

2.09 (0.49 – 8.88)

2.26 (0.46 –11.04)

2.17 (0.45 – 10.46)

5.00 (0.77 – 32.26)

Gender

 Cis man

 Cis woman

0.75 (0.45 – 1.26)

0.68 (0.39 – 1.21)

0.68 (0.38 – 1.21)

0.87 (0.42 - 1.77)

 Transgender & gender expansive

0.36 (0.06 – 2.19)

1.26 (0.16 – 9.67)

1.39 (0.16 – 11.87)

3.91 (0.25 – 60.01)

 Unknown

0.71 (0.15 – 3.28)

1.08 (0.20 – 5.69)

0.89 (0.17 – 4.72)

1.22 (0.17 – 8.75)

Health Authority

 Fraser Health

 Interior Health

0.33 (0.13 – 0.82)*

0.27 (0.11 – 0.71)**

0.31 (0.12 – 0.80)*

0.37 (0.12 – 1.11)

 Island Health

0.40 (0.16 – 0.98)*

0.43 (0.17 – 1.09)

0.52 (0.20 – 1.34)

0.74 (0.25 – 2.24)

 Northern Health

0.92 (0.35 – 2.45)

0.68 (0.24 – 1.87)

0.73 (0.26 – 2.04)

1.00 (0.31 – 3.21)

 Vancouver Coastal Health

0.11 (0.04 – 0.31)***

0.10 (0.03 – 0.31)***

0.10 (0.03 – 0.32)***

0.05 (0.01 – 0.22)

Overdose Characteristics

Have witnessed an opioid overdose in the last 6 months

 Yes

2.25 (1.27 – 3.99)**

 

2.26 (1.20 – 4.28)**

1.19 (0.53 – 2.66)

 No

 

 Unknown

2.95 (0.94 – 9.23)

 

1.78 (0.52 – 6.16)

0.72 (0.16 – 3.33)

Drug Use Characteristics

Frequency of drug use in the last month

 Everyday

  

 A few times a week

0.24 (0.12 – 0.50)***

  

0.16 (0.06 – 0.44)***

 A few times a month

0.30 (0.08 – 1.10)

  

0.24 (0.05 – 1.17)

 Did not use drugs

9.58exp5 (0.00 – Inf)

  

1.98exp8 (0.00 – inf)

 Unknown

0.62 (0.24 – 1.62)

  

0.93 (0.26 – 3.34)

Smoked Opioid last 3 days

 Yes

6.65 (3.72 – 11.89)***

  

6.35 (2.98 – 13.53)***

 No

  

Prefer smoking stimulants safe supply

 Yes

4.20 (2.51 – 7.02)***

  

5.04 (2.53 – 10.07)***

 No

  

Drugs Used in the last 3 days Cannabis/Hash

 Yes

1.78 (1.09 – 2.90)*

  

2.72 (1.36 – 5.44)**

 No

  

Alcohol

 Yes

1.69 (1.02 - 2.79)*

  

1.95 (0.97 – 3.91)

 No

  

LR Pseudo - R2

 

0.12***

0.14*

0.35***

Pseudo – R2 - change

 

0.12

0.02

0.21

  1. Abbreviations: AOR adjusted odds ratio, CI confidence interval
  2. * Significant at 0.05
  3. ** Significant at 0.01
  4. *** Significant at 0.001