Table 2.
Rate of loss-to-follow-up among men participating in a 12-month online study randomized to text message versus online follow-up, overall and stratified by race/ethnicity (N=710).
|
|
|
Proportion retained at 12 months n (%)a |
Month 12 estimates | Month 10 estimates | ||
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|
|
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Hazard ratio | 95% CI | Hazard ratio | 95% CI |
| Overall | ||||||
|
|
Online | 282/366 (77.1) | Referent | — | Referent | — |
|
|
Text message | 241/344 (70.1) | 1.30 | 0.97-1.73 | 1.28 | 0.96-1.71 |
| White | ||||||
|
|
Online | 195/241 (80.9) | Referent | — | Referent | — |
|
|
Text message | 167/229 (72.9) | 1.43 | 0.97-2.09 | 1.41 | 0.96-2.06 |
| Black | ||||||
|
|
Online | 37/60 (61.7) | Referent | — | Referent | — |
|
|
Text message | 31/46 (67.4) | 0.78 | 0.41-1.50 | 0.76 | 0.40-1.46 |
| Hispanic | ||||||
|
|
Online | 50/65 (76.9) | Referent | — | Referent | — |
|
|
Text message | 43/69 (62.3) | 1.71 | 0.91-3.23 | 1.67 | 0.89-3.16 |
aNumber retained out of total number defined by row.