From: Population estimation and harm reduction among people who inject drugs in Addis Ababa, Ethiopia
Characteristics | Frequency | Percent |
---|---|---|
Age at first injection | ||
 Below 20 years | 130 | 47.1 |
 20–29 years | 119 | 43.1 |
 30 years or more | 27 | 9.8 |
 Mean + SD | 22.1 + 6.1 |  |
The last injection | ||
 Today/yesterday | 45 | 16.3 |
 Within a week | 51 | 18.5 |
 Within a month | 44 | 15.9 |
Frequency of injection | ||
 Daily to 2–3 per day | 29 | 33.0 |
 Once in a week to a month | 168 | 60.9 |
 Less frequent (> 3 months) | 17 | 6.2 |