Table 2: Predictors for the OTC drug use for self-medication and for boosting the immune system.

Variable OTC use for self-medication OTC for boosting the immune system
Odds ratio (95% CI) p Odds ratio (95% CI) p
Age 0.99 (0.98-1.01) >0.05 1.01 (0.99-1.01) >0.05
Sex
Female 1 1
Male 0.88 (0.69-1.12) >0.05 1.14 (0.89-1.45) >0.05
Education level
High school 1 1
Elementary school 0.25 (0.15-0.43) <0.001 3.95 (2.32-6.71) <0.001
Middle school 0.57 (0.43-0.75) <0.001 1.75 (1.33-2.32) <0.001
Well-being index
Rich class 1 1
Poor class 0.54 (0.31-0.96) <0.05 1.85 (1.05-3.27) <0.05
Middle class 0.72 (0.54-0.97) <0.05 1.39 (1.03-1.87) <0.05
Region
South and East Serbia 1 1
Vojvodina 0.99 (0.71-1.41) >0.05 1.01 (0.71-1.41) >0.05
Belgrade 1.03 (0.74-1.44) >0.05 0.97 (0.7-1.35) >0.05
Sumadija and West Serbia 0.59 (0.42-0.82) <0.05 1.71 (1.22-2.41) <0.05
Place of residence
Other 1 1
Urban 1.2 (0.9-1.59) >0.05 0.83 (0.63-1.11) >0.05
Self-perceived health
Very bad 1 1
Very good 1.01 (0.22-4.63) >0.05 0.99 (0.22-4.58) >0.05
Good 0.8 (0.18-3.58) >0.05 1.25 (0.28-5.59) >0.05
Fair 0.97 (0.22-4.31) >0.05 1.03 (0.23-4.6) >0.05
Bad 1.31 (0.28-6.22) >0.05 0.76 (0.16-3.62) >0.05
Chronic disease status
No 1 1
Yes 1.2 (0.89-1.62) >0.05 0.83 (0.62-1.12) >0.05
Visit a specialist
Never 1 1
In the past 12 months 1.25 (0.77-2.03) >0.05 0.8 (0.49-1.29) >0.05
After 12 months and more 0.98 (0.62-1.55) >0.05 1.02 (0.65-1.620 >0.05
Sick leave
No 1 1
Yes 1.06 (0.77-1.45) >0.05 0.95 (0.69-1.29) >0.05