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Table 2 Odd ratios (OR) for having a negative outcome if followed by weekly text messages in contrast to no follow-up

From: Are frequent measurements in back pain research harmful? Two comparisons of back pain in groups with or without frequent follow-up

  Schoolchildren OR (95% CI) for cohort 1ba LBP patients OR (95% CI) for cohort 2bb
SP often’ or ‘some times’ 1.13 (0.85–1.52) -
Pain intensity above 3/10 0.64 (0.45–0.91) 0.39 (0.19–0.83)
Bothersomeness past 2 weeksc - 0.55 (0.27–1.16)
> 30 days of LBP previous year - 0.63 (0.29–1.41)
RMDQd - 0.71 (0.31–1.61)
  1. acohort 1a as reference, adjusted for grade and sex
  2. bcohort 2a as reference, no adjustments made
  3. c3–5 on a five-point Likert scale
  4. d> 60 on the proportional score on the Roland Morris Disability Questionnaire
  5. Statistically significant findings indicated with boldface