Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Consistency test of the 3 subjective survey results in the instant messaging/social media and telephone interview questionnaires.
| Questionnaire | Consistent, n | Inconsistent, n | Sensitivity, % | Specificity, % | Kappa value | P value |
| Q1 | 17 | 4 | 80.0 | 81.8 | 0.618 | .006 |
| Q2 | 15 | 6 | 81.8 | 60.0 | 0.430 | .049 |
| Q3 | 18 | 3 | 62.5 | 100 | 0.674 | .001 |
