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Table 1 Estimated effect on response to QOL questionnaire (N = 1767)

From: Simple change in logistic procedure improves response rate to QOL assessment: a report from the Japan Children’s Cancer Group

 Model 1aModel 2bModel 3cModel 4dModel 5e
 AOR95% CIAOR95% CIAOR95% CIAOR95% CIAOR95% CI
After the change in procedure0.790.63 to 1.001.641.13 to 2.381.621.11 to 2.351.470.93 to 2.321.470.93 to 2.32
Timing of distribution (per 1 year)0.740.65 to 0.840.740.65 to 0.84
Timing of distribution (per 1 year) before the change in procedure0.730.64 to 0.840.730.64 to 0.84
Timing of distribution (per 1 year) after the change in procedure0.860.56 to 1.310.860.56 to 1.32
Child’s age (per 1 years old)0.960.94 to 0.990.960.94 to 0.990.960.94 to 0.99
Hospital volume (per 10 cases registered in ALL-B12)0.970.82 to 1.160.980.82 to 1.17
  1. AOR adjusted odds ratio, CI confidence interval, QOL quality of life
  2. a–eDependent variable: QOL questionnaires that received a response (1) or no response (0)
  3. a–eRandom effect: each center of JPLSG (number of centers = 134)
  4. a–cGeneralized linear mixed model
  5. d–eRegression discontinuity design