From: Lead poisoning among opium users in Iran: an emerging health hazard
Route of use | Duration of use (years) (mean ± SD) | Daily quantity of consumption (g/day) (mean ± SD) |
---|---|---|
Smoking (n = 21) | 14.07 ± 9.18 | 1.16 ± 1.06 |
Oral route (n = 179) | 15.13 ± 10.04 | 0.90 ± 0.57 |
Smoking + oral route (n = 49) | 15.38 ± 8.83 | 0.93 ± 0.79 |
Test results | F = 0.1, p = 0.90 | F = 0.53, p = 0.59 |