Polydrug Use among Students in a Public University in a Lower Middle-Income Country
Table 4
Univariate and multivariable analyses of features associated with self-reported drug use history of students in a public university in Mombasa, Kenya, in 2017.
Sociodemographic characteristics
Univariate analysis
Multivariable analysis
Crude RR (95% CI)
value
Adjusted RR (95% CI)
value
Age in years
<22
Reference
Reference
22 to 24
1.35 (1.13, 1.61)
0.001
1.21 (0.91, 1.61)
0.18
>24
0.64 (0.41, 1.01)
0.06
0.62 (0.35, 1.09)
0.09
Gender
Male
Reference
¶
Female
1.03 (0.86, 1.23)
0.76
¶
Education level
Degree student
Reference
¶
Diploma student
0.99 (0.77, 1.27)
0.94
¶
Birth order
First born
Reference
¶
2nd born
0.98 (0.75, 1.29)
0.89
¶
3rd born
1.25 (0.99, 1.58)
0.07
¶
4th born and above
1.09 (0.87, 1.37)
0.47
¶
School enrolled
School of business
Reference
¶
School of applied & health sciences
0.94 (0.73, 1.21)
0.64
¶
School engineering
1.22 (0.98, 1.52)
0.07
¶
School humanities & social sciences
1.04 (0.77, 1.39)
0.81
¶
Institute of computing & informatics
1.19 (0.86, 1.64)
0.31
¶
Year of study
First year
Reference
¶
Second year
1.48 (1.05, 2.07)
0.02
¶
Third year
1.58 (1.15, 2.16)
0.005
¶
Fourth year and above
1.45 (1.06, 2.00)
0.02
¶
Residence or accommodation type
University hostel and its environs
Reference
Reference
Mishomoroni and Kisauni
1.70 (1.23, 2.34)
0.001
1.50 (1.08, 2.09)
0.02
Within town
0.97 (0.69, 1.37)
0.88
1.07 (0.75, 1.52)
0.70
Bamburi and Bombolulu
1.39 (0.77, 2.50)
0.28
1.47 (0.81, 2.67)
0.20
Marital status
Never married
Reference
¶
Married/cohabiting
0.99 (0.67, 1.47)
0.98
¶
Income/pocket money/month, USD USUSD (USD) (Kshs)
<50
Reference
Reference
Between 50 and 100
1.42 (1.05, 1.91)
0.02
1.28 (0.94, 1.73)
0.12
>100
0.88 (0.62, 1.25)
0.47
0.89 (0.62, 1.27)
0.51
Current number of sexual partners
None
Reference
Reference
One
1.73 (1.19, 2.51)
0.004
1.54 (1.05, 2.26)
0.03
Two and above
2.44 (1.57, 3.81)
<0.001
2.16 (1.37, 3.41)
0.001
Resident in Makupa, Sparki, and Majengo. RR: relative risk; AUC: area under receiver operating characteristics; CI: confidence interval. The RR and values are from a log-binomial regression model. The multivariate model AUC is 0.79 (95% CI 0.74, 0.83); ¶: independent variables not selected for inclusion in multivariable.
