Table 5 Adjusted multivariate model of factors associated with use of cannabis
Variables | step 1a | step 6a | ||||||
|---|---|---|---|---|---|---|---|---|
Coeff. (SE) | OR (95% CI) | p | VIF | Coeff. (SE) | OR (95% CI) | p | R 2b | |
BRS | −.13 (.16) | .88 (.64–1.21) | .44 | 1.96 | – | – | – | .33 |
PSS-4 | −.06 (.15) | .94 (.70–1.27) | .68 | 1.75 | – | – | – | |
SOP-2 | −.14 (.15) | .87 (.66–1.16) | .34 | 1.68 | −.31 (.11) | .74 (.59–.92) | .01 | |
ASKU | −.11 (.17) | .89 (.64–1.25) | .51 | 1.73 | – | – | – | |
IE-I | −.12 (.15) | .89 (.66–1.12) | .44 | 1.65 | – | – | – | |
IE-E | .14 (.15) | 1.15 (.86–1.54) | .34 | 1.54 | – | – | – | |
Sex: | ||||||||
Male | Reference | 1.11 | Reference | |||||
Female | −.67 (.24) | .51 (.32–.82) | .51 | −.63 (.23) | .53 (.34–.84) | .01 | ||
Age | −.69 (.17) | .50 (.36–.70). | <.001 | 1.14 | −.68 (.17) | .50 (.36–.70) | <.001 | |
Education: | ||||||||
No formal degree | Reference | 1.16 | Reference | |||||
Secondary modern school | 1.68 (.96) | 5.38 (.81–35.62) | .08 | – | – | – | ||
Middle school | −.02 (.32) | .99 (.53–1.82) | .96 | – | – | – | ||
University-entrance diploma | −.14 (.37) | .87 (.42–1.80) | .71 | – | – | – | ||
University degree | .60 (.39) | 1.82 (.85–3.90) | .12 | – | – | – | ||
Current or last professional position: | ||||||||
Skilled worker | Reference | Reference | ||||||
Executive employee | −.49 (.47) | .61 (.24–1.53) | .29 | 1.05 | – | – | – | |
Non-executive employee | .05 (.36) | 1.05 (.52–2.14) | .89 | – | – | – | ||
Civil servants | −.10 (.59) | .91 (.29–2.88) | .87 | – | – | – | ||
Self-employed | −.29 (.60) | .75 (.23–2.43) | .63 | – | – | – | ||
Other | .15 (.43) | 1.16 (.50–2.70) | .73 | – | – | – | ||
Place of residence: | ||||||||
North Rhine-Westphalia | Reference | 1.05 | Reference | |||||
Hamburg | .94 (.69) | 2.56 (.67–9.77) | .17 | – | – | – | ||
Lower Saxony | .01 (.45) | 1.01 (.42–2.43) | .98 | – | – | – | ||
Bremen | .29 (1.15) | 1.34 (.14–12.60) | .80 | – | – | – | ||
Schleswig Holstein | .01 (.71) | 1.01 (.25–4.07) | .99 | – | – | – | ||
Hesse | .71 (.43) | 2.04 (.87–4.74) | .10 | – | – | – | ||
Rhineland-Palatine | 1.11 (.59) | 3.04 (.95–9.74) | .06 | – | – | – | ||
Baden-Wuerttemberg | .66 (.39) | 1.92 (.89–4.15) | .10 | – | – | – | ||
Bavaria | .34 (.38) | 1.40 (.67–2.95) | .37 | – | – | – | ||
Saarland | −1.62 (1.06) | .20 (.03–1.58) | .13 | – | – | – | ||
Berlin | .62 (.55) | 1.86 (.63–5.49) | .26 | – | – | – | ||
Brandenburg | 1.63 (.72) | 5.10 (1.24–20.92) | .03 | – | – | – | ||
Mecklenburg-Western Pomerania | .31 (.73) | 1.36 (.32–5.72) | .68 | – | – | – | ||
Saxony | −.03 (.55) | 1.03 (.35–3.00) | .96 | – | – | – | ||
Saxony-Anhalt | −1.87 (1.03) | .16 (.02–1.17) | .07 | – | – | – | ||
Thuringia | −.17 (.74) | .84 (.20–3.61) | .82 | – | – | – | ||
Soft enhancer intake: | ||||||||
No | Reference | 1.09 | Reference | |||||
Yes | 1.79 (.26) | 5.96 (3.55–10.01) | <.001 | 1.80 (.26) | 6.05 (3.63–10.08) | <.001 | ||