Table 3 Monthly rate of missed appointments in the text-message and telephone reminder arms during the study period
Month | n | Text-message reminder | Telephone reminder | P value |
|---|---|---|---|---|
% | % | |||
Nov 2010 | 400 | 11.4 | 7.7 | 0.22 |
Dec 2010 | 1112 | 13.1 | 9.6 | 0.07 |
Jan 2011 | 850 | 14.0 | 11.4 | 0.25 |
Feb 2011 | 1520 | 11.7 | 10.5 | 0.44 |
March 2011 | 1518 | 9.8 | 10.4 | 0.70 |
April 2011 | 948 | 10.9 | 9.8 | 0.60 |