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Table 2 Rate of missed appointments (n = 6354)

From: Text-messaging versus telephone reminders to reduce missed appointments in an academic primary care clinic: a randomized controlled trial

 

Total

Text-message reminder

Telephone reminder

Relative effect size

P value

n (%)

n (%)

n (%)

OR (IC)

Division of primary care

697 (11.0)

376 (11.7)

321 (10.2)

0.9 (0.7-1.0)

0.07

 - General primary care clinic

468 (9.3)

256 (10.2)

212 (8.5)

0.8 (0.7-1.0)

0.04

 - Substance abuse clinic

229 (17.0)

120 (17.1)

109 (17.0)

1.0 (0.7-1.3)

0.98