Injecting drug users never sharing equipment in the last month

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Percent of active injecting drug users surveyed who report never sharing injecting equipment during the last month
What it measures

Sharing injecting equipment between HIV infectedand uninfected drug injectors is an extraordinarily effective way of spreading HIV. Because the risk of contracting infection per  single act of risky injection is so high, programmes must aim not just for a reduction in the sharing of equipment between drug users, but for a complete halt to this behaviour. The previous indicator uses a robust methodology that will give a good picture of rising safe injecting behaviour, but will not capture entirely the rises in consistently safe behaviour for which prevention programmes among drug injectors strive. This indicator measures trends in consistently safe behaviour among drug users who continue to inject drugs.


Number of survey respondents who report never sharing needles, syringes or other injecting equipment the last time they injected drugs in the last month


All repondents reporting injecting behavior in the last month

Method of measurement

In a behavioural survey among injecting drug users, respondents are asked about their injecting habits. Those that report sharing needles, syringes or other injecting equipment at any time in the last month are excluded from the numerator. As with the previous indicator, questionnaires should specify all the locally relevant types of “equipment” that may result in the exchange of body fluids.

Measurement frequency

Education: N/A

Gender: N/A

Geographic location: N/A

Pregnancy status: N/A

Sector: N/A

Target: N/A

Time period: N/A

Type of orphan: N/A

Vulnerability status: N/A

Explanation of the numerator
Explanation of the denominator
Strengths and weaknesses

This indicator shares the strengths and limitations of Injecting Drug Use Indicator 1, Injecting drug users sharing equipment at last injection. In addition, it is likely to suffer more from recall bias. Depending on the local drug scene, drug users may be injecting several times each day. Recalling the circumstances of every act of injection over the past 30 days may be problematic. Trends measured by this indicator should confirm changes registered in the indicator that looks only at behaviour at last injection. The difference between the two indicators may be used to pinpoint areas of programme weakness.

Further information