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. 2014 Dec 16;7(4):18–29. doi: 10.5539/gjhs.v7n4p18

Table 3.

Predictors of illicit drug/s use among university students in the United Kingdom (Multifactorial logistic regression analysis)

Variable Illicit Drug/s Use

Yes, Regularly (n = 168) Yes, a few times (n = 886) Never (n = 2430)

OR P 95% CI OR P 95% CI OR P 95% CI
Sex (Female)
Male 4.62 <0.001 2.80-7.61 1.86 <0.001 1.46-2.38 0.48 <0.001 0.38-0.60

Age (18-20) years
21-29 1.65 0.043 1.02-2.68 1.90 0.000 1.53-2.37 0.54 0.00 0.43-0.66
> 30 1.02 0.946 0.54-1.94 1.09 0.564 0.82-1.46 0.92 0.56 0.70-1.21

Self rated general health (Poor/fair)
Good/very good/excellent 0.57 0.059 0.32-1.02 0.94 0.701 0.68-1.30 1.17 0.326 0.86-1.58

Health awareness (Not at all/not much)
To some extent/very much 0.84 0.516 0.49-1.43 0.71 0.008 0.55-0.92 1.39 0.007 1.09-1.78

Depressive symptoms (< 5th Quintile)
High (≥ 5th Quintile) 1.61 0.098 0.92-2.81 0.98 0.879 0.74-1.29 0.93 0.574 0.72-1.20

Perceived stress (Low < median)
High (≥ median) 1.15 0.585 0.70-1.86 0.79 0.032 0.64-0.98 1.23 0.052 1.00-1.51

Smoking (Never/occasional)
Daily 11.73 0.000 7.27-18.92 2.48 0.000 1.91-3.22 0.32 0.000 0.26-0.41

Heavy episodic drinking in last 2 weeks (< 1 time)
≥ 1 time 1.83 0.021 1.10-3.07 2.11 0.000 1.67-2.67 0.49 0.000 0.39-0.61

CAGE score (< 3 positive responses)
≥ 3 positive (possible alcohol dependence) 1.94 0.049 1.00-3.73 2.20 0.000 1.60-3.03 0.46 0.000 0.34-0.63

Importance of religion in life (Strongly or somewhat agree/neither agree nor disagree)
Strongly disagree/somewhat disagree 1.16 0.499 0.75-1.80 1.26 0.024 1.03-1.54 0.80 0.022 0.66-0.97

Financial burden/s (Not at all/quite strongly)
Strongly/very strongly 1.21 0.416 0.76-1.92 1.35 0.005 1.10-1.67 0.74 0.004 0.61-0.91

Accommodation during semester (Not with parents)
With parents 0.46 0.011 0.26-0.84 0.62 0.000 0.49-0.79 1.67 0.000 1.33-2.10

Academic performance compared to peers (Much worse/worse/same)
Better/much better 1.88 0.021 1.10-3.21 1.18 0.225 0.90-1.54 0.79 0.073 0.62-1.02

OR = odds ratio; Bolded cells indicate statistically significant odds ratio; OR adjusted for all other variables in the table and also for university.