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Table 3 The proportional odds ratios and their 95% CI for the five final ordinal regression models.

From: Drug use and nightlife: more than just dance music

  Alcohol Cannabis MDMA Amphetamines Cocaine
  OR 95% CI OR 95% CI OR 95% CI OR 95% CI OR 95% CI
   Final model           
   Age in years 1.04** 1.01-1.08    1.10*** 1.06-1.15 1.06* 1.01-1.11 1.09*** 1.05-1.14
   Gender male 0.55** 0.38-0.78 0.52*** 0.37-0.73 0.55* 0.33-0.91    0.55* 0.32-0.94
Music preference          
   Dance music    2.25** 1.36-3.72 3.19* 1.12-9.09    3.46* 1.08-11.07
   Southern/funky music           
   Rock music          0.47** 0.29-0.76
Number of Last month visits          
   Pubs 1.08*** 1.05-1.11 1.02* 1.00-1.04 1.05** 1.02-1.08    1.04** 1.01-1.07
   Clubs 0.95* 0.90-1.00    1.11*** 1.05-1.17    1.11*** 1.05-1.18
   Goa parties    1.28** 1.09-0.151    1.10* 1.02-1.19 1.23** 1.07-1.42
Sampling venue          
   Rock festivals      0.41 0.26-0.65 0.50* 0.29-0.87 0.51** 0.31-0.81
   Dance events      1.63** 1.19-2.23    1.69** 1.22-2.35
   Clubs      1.48* 1.04-2.11     
   LR chi2 (10) 62.28 70.57 109.25 37.59 124.45
   Prob > chi2 0.0001 0.0001 0.0001 0.0001 0.0001
   Pseudo R squared 0.058 0.054 0.145 0.078 0.180
  1. For each drug, last year use (no, occasional and regular use) was regressed on various socio-demographic, music and nightlife variables.
  2. Wald z-tests with * p < 0.05, ** p < 0.01 and *** p < 0.001.