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Table 3 Multivariable regression analysis testing association of cannabis use purpose and risk for problematic cannabis use (CAST-3)

From: Association of self-reported use of cannabis for the purpose of improving physical, mental, and sleep health with problematic cannabis use risk

 

Moderate PCU risk

 

Severe PCU risk

Coeff.

ARR

95% CI*

P

 

Coeff.

ARR

95% CI*

P

Physical health

0.57

1.76

1.13–2.74

0.012

 

1.48

4.38

2.96–6.48

< 0.001

Mental health

0.76

2.15

1.32–3.48

0.002

 

1.03

2.81

1.75–4.50

< 0.001

Sleep health

0.64

1.90

1.22–3.00

0.005

 

0.61

1.83

1.21–2.77

0.004

Health problems (yes)

-0.16

0.86

0.50–1.45

0.564

 

0.45

1.56

0.99–2.45

0.053

Race (ref = White)

         

 Hispanic

-0.42

0.66

0.37–1.16

0.147

 

0.24

1.12

0.74–2.19

0.387

 Asian

-0.19

0.83

0.41–1.67

0.594

 

0.11

1.00

0.56–2.19

0.761

 Black

0.20

1.23

0.43–3.50

0.645

 

0.43

1.37

0.55– 4.35

0.413

 Other

-0.35

0.71

0.33–1.53

0.418

 

-0.76

0.47

0.21–1.07

0.072

Age

0.28

1.32

0.78–2.24

0.307

 

0.49

1.59

0.99–2.56

0.049

Sex (Female)

-0.52

0.59

0.40–0.89

0.012

 

-0.64

0.54

0.36– 0.77

0.001

SES context (ref = live comfortably)

         

 Don’t meet basic expenses

1.16

3.19

1.28–7.98

0.013

 

1.31

3.72

1.54–8.96

0.003

 Just meet basic expenses

0.37

1.45

0.90–2.37

0.137

 

0.62

1.86

1.17–2.96

0.009

 Meets needs with a little bit left

-0.27

0.76

0.48–1.21

0.249

 

0.07

1.08

0.71–1.66

0.732

  1. *95% Confidence Interval for adjusted relative risk ratio
  2. PCU: Problematic cannabis use
  3. Coeff: Multinomial Regression coefficient
  4. ARR: Adjusted relative risk ratio
  5. Base/Referent outcome category: Low risk
  6. Bold values indicate statistical significance, p < 0.05