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.
Relationship between intervention effect size and number of different behaviour change techniques identified.
| Outcome | Number of studies included in meta‐analysis | Pearson correlation value | P‐value |
|---|---|---|---|
| Discontinuation at 6 months follow‐up | 8 | −0.551 | 0.157 |
| Reduction at 6 months follow‐up | 5 | −0.007 | 0.991 |
