Table 3. Changes in antibiotic and steroid prescriptions in the control and intervention groups of study on the use of text messaging to communicate clinical recommendations to health workers, Gansu province, China, 2011 .
| Period | No./total (%) |
||||
|---|---|---|---|---|---|
| Intervention group |
Control group |
||||
| Antibiotics | Steroids | Antibiotics | Steroids | ||
| 1 Dec 2010 to 28 Feb 2011 | 681/999 (68) | 242/999 (24) | 153/306 (50) | 17/306 (6) | |
| 1 Dec 2011 to 28 Feb 2012 | 568/831 (68) | 154/831 (19) | 299/446 (67) | 76/446 (17) | |
| Percentage point differencea (95% CI) | 0 (0) | −5 (−2 to −9) | +17 (10 to 24) | +11 (7 to 16) | |
CI: confidence interval; Dec: December; Feb: February.; Dec: December.