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Table 4 Logistic regression with daily cannabis use among active cannabis users (N = 1728)

From: Prevalence and correlates of non-daily and daily cannabis use among persons 15 years and older in South Africa: results of a national survey in 2017

Variable

Crude OR (95% CI)

P-value

Adjusted OR (95% CI)

P-value

Sex

 Female (23.4%)

1 (Reference)

 

1 (Reference)

 

 Male (76.6%)

5.29 (3.40, 8.25)

< 0.001

3.88 (2.40, 6.28)

< 0.001

Age in years

 45 or more (18.3%)

1 (Reference)

 

 

 30–44 (35.1%)

1.22 (0.80, 1.86)

0.351

  

 15–29 (46.7%)

1.00 (0.68, 1.47)

0.999

  

Education

 Grade 0–7 (30.9%)

1 (Reference)

 

1 (Reference)

 

 Grade 8–11 (34.6%)

2.07 (1.46, 2.94)

< 0.001

1.25 (0.82, 1.99)

0.298

 Grade 12 or more (34.5%)

1.24 (0.86, 1.79)

0.248

0.90 (0.57, 1.44)

0.670

Marital status

 Married (16.3%)

1 (Reference)

 

 

 Separated/divorced/widowed (4.4%)

1.12 (0.50, 2.47)

0.788

  

 Never married (79.3%)

1.44 (0.92, 2.25)

0.107

  

Population group

 African Black (78.9%)

1 (Reference)

 

1 (Reference)

 

 White (7.2%)

0.52 (0.27, 1.00)

0.049

0.65 (0.32, 1.32)

0.236

 Coloured (11.6%)

1.21 (0.83, 1.76)

0.310

1.12 (0.71, 1.78)

0.618

 Indian or Asian (2.3%)

0.43 (0.24, 0.75)

0.003

0.54 (0.30, 0.99)

0.046

Employement status

 Employed/self-employed (37.2%)

1 (Reference)

 

1 (Reference)

 

 Unemployed (50.3%)

0.77 (0.55, 1.09)

0.137

0.85 (0.57, 1.26)

0.421

 Not in the labour force (12.5%)

0.31 (0.18, 0.55)

< 0.001

0.33 (0.16, 0.66)

0.002

Residence

 Rural informal (tribal areas) (22.0%)

1 (Reference)

 

1 (Reference)

 

 Rural (farms) (5.0%)

1.25 (0.77, 2.04)

0.372

0.96 (0.55, 1.69)

0.892

 Urban (73.1%)

1.63 (1.12, 2.38)

0.012

1.54 (0.98, 2.45)

0.068

Alcohol use disorder

 No (71.3%)

1 (Reference)

 

1 (Reference)

 

 Yes (28.7%)

1.74 (1.24, 2.43)

< 0.001

1.26 (0.85, 1.85)

0.240

Other drugs

 No (74.9%)

1 (Reference)

 

1 (Reference)

 

 Yes (25.1%)

0.30 (0.19, 0.47)

< 0.001

0.42 (0.26, 0.66)

< 0.001

Psychological distress

 No (77.4%)

1 (Reference)

 

 

 Yes (22.6%)

1.10 (0.73, 1.65)

0.646

  

Physical multimorbidity

 0 (86.1%)

1 (Reference)

 

 

 1 (12.4%)

0.76 (0.47, 1.24)

0.276

  

 2 or more (1.5%)

0.32 (0.10, 1.06)

0.062

  

Health care utilization

 No (62.5%)

1 (Reference)

 

1 (Reference)

 

 Yes (37.5%)

0.72 (0.51, 1.00)

0.048

0.82 (0.58, 1.17)

0.276

  1. OR Odds Ratio, CI Confidence Interval