Table 3 Agreement between SMP (gold standard) and self reported results
From: How well do adolescents recall use of mobile telephones? Results of a validation study
N | Sensitivity (%) | Specificity (%) | PPV* (%) | NPV* (%) | |
|---|---|---|---|---|---|
Overall | 59 | 57 | 66 | 63 | 41 |
Gender | |||||
Females | 36 | 58 | 65 | 65 | 42 |
Males | 23 | 55 | 67 | 60 | 38 |
Age | |||||
< 13 | 30 | 53 | 67 | 62 | 41 |
≥ 13 | 29 | 60 | 64 | 64 | 40 |
Language other than English spoken at home | |||||
No | 44 | 55 | 68 | 63 | 40 |
Yes | 15 | 63 | 57 | 65 | 43 |