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Table 2 Self-reported versus urine-toxicology-detected amphetamine-type stimulant use among women participating in the Young Women’s Health Study-2

From: Testing for amphetamine-type stimulant (ATS) use to ascertain validity of self-reported ATS use among young female sex workers in Cambodia

  

Urine toxicology result (n)

  

Positive

Negative

Self-reported use

Yes

25

6

 

No

3

166

 

Percentage

 

95% CI

Sensitivity

89.3

 

77.8–100

Specificity

96.5

 

93.8–99.2

Positive predictive value

80.6

 

66.7–94.5

Negative predictive value

98.2

 

96.2–100

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Addiction Science & Clinical Practice

ISSN: 1940-0640