Table 1 Age, height, duration and type of substance use among substance users (n = 60):
From: Comparative study of pulmonary functions test among different substances abusers
Variable | Mean ± SD | Minimum | Maximum |
|---|---|---|---|
Age/years | 31 ± 5.5 years | 18 years | 55 years |
Height /cm | 176 ± 5.5 cm | 150 cm | 195 cm |
Duration of uses/ months | 54 ± 6.3months | 1 month | 30 years |
Type of substance | Frequency | Percent | Mean ± SD years |
Alcohol | 12 | 20% | 42 ± 5.5 |
Cannabis | 16 | 26.6% | 26 ± 5.5 |
Heroin | 16 | 26.6% | 31 ± 5.5 |
Methamphetamine | 16 | 26.6% | 26 ± 5.5 |
Total | 60 | 100% | 31 ± 5.5 |