Relationship to sustained abstinence*†‡ | Intervention only, relationship to tweet volume* | |||||
---|---|---|---|---|---|---|
OR | CI | p Value | β | CI | p Value | |
Age | 1.01 | 0.93 to 1.11 | 0.776 | 1.36 | −0.76 to 3.47 | 0.210 |
Sex: male | 1.25 | 1.03 to 1.52 | 0.027 | −0.50 | −41.68 to 40.69 | 0.981 |
Education: college degree or higher | 0.97 | 0.83 to 1.13 | 0.686 | 14.40 | 13.69 to 69.11 | 0.003 |
Marital status: married/partnered | 1.16 | 0.98 to 1.37 | 0.092 | −24.22 | −65.40 to 16.95 | 0.249 |
Employment status: employed | 0.94 | 0.84 to 1.05 | 0.239 | −16.86 | −59.83 to 26.10 | 0.442 |
Cigarettes per day at baseline | 1.01 | 0.99 to 1.02 | 0.512 | 2.30 | −1.93 to 6.53 | 0.287 |
Resolute abstinence goal | 1.16 | 1.06 to 1.27 | 0.001 | −15.27 | −61.86 to 31.32 | 0.521 |
Intervention participants only | ||||||
Posted image for Tweet2Quit profile | 1.35 | 0.59 to 3.07 | 0.478 | 51.90 | 5.39 to 98.41 | 0.029 |
Tweeted on mobile phone with texting | 1.19 | 0.43 to 3.30 | 0.737 | 33.73 | 18.75 to 48.71 | 0.001 |
Tweeted at work | 1.12 | 0.34 to 3.63 | 0.856 | 40.06 | 21.75 to 58.37 | 0.001 |
Tweet volume | 1.02 | 1.02 to 1.03 | 0.001 | – | – | – |
*Based on multivariate models.
†No interactions with condition (intervention vs control), p>0.289.
‡Sustained abstinence was recorded if a participant responded at 7, 30 and 60 days, and consistently reported not smoking for the prior 7 days.