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Table 2 Description of missing information in two populations followed over 1 year with weekly text messages

From: Absence of low back pain in patients followed weekly over one year with automated text messages

 

Study 1

Study 2

Number of weeks with no text-message response

Number of participants (%)

Number of participants (%)

0

58 (72.5)

83 (40)

1-5

17 (21)

84 (40)

6-10

3 (4)

15 (7)

11-26

2 (2.5)

27 (13)

27 + *

  
  1. Study 1 (N = 80) consisted of participants with Modic changes and study 2 (N = 209) included participants with non-specific low back pain.
  2. * Participants with 27 or more missing weeks had been excluded from the analyses already from the beginning