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Table 2 Post-hoc analysis: Interview-based versus SMS-based mean intensity of LBP over a 1 year course

From: Contrasting real time quantitative measures (weekly SMS) to patients’ retrospective appraisal of their one-year’s course of low back pain; a probing mixed-methods study

SMS-based Interview-based
None to mild Moderate to severe Total
0–3 17% (4) 17% (4) 35% (8)
4–10 30% (7) 35% (8) 65% (15)
Total 48% (11) 52% (12) 100% (23)
  1. The SMS-based mean intensity calculated on basis of weeks with pain (pain-free weeks excluded). Percentages of the population with absolute numbers in parentheses and agreement indicated in bold