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Table 3 Evaluation of the utility of individual items on the IBS-QOL-J

From: Translation and validation of a Japanese version of the irritable bowel syndrome-quality of life measure (IBS-QOL-J)

Domain Item Correlation Domain Item Correlation
Dysphoria Q1 -0.83** Health worry Q4 -0.56**
  Q6 -0.86**   Q15 -0.74**
  Q7 -0.82**   Q32 -0.19
  Q9 -0.76** Food avoidance Q11 -0.45**
  Q10 -0.75**   Q23 -0.55**
  Q13 -0.72**   Q28 -0.59**
  Q16 -0.80** Social reaction Q2 -0.60**
  Q30 -0.89**   Q14 -0.54**
Interference with Q3 -0.60**   Q17 -0.60**
activity Q18 -0.78**   Q34 -0.79**
  Q19 -0.60** Relationships Q8 -0.66**
  Q22 -0.70**   Q24 -0.70**
  Q27 -0.75**   Q33 -0.70**
  Q29 -0.73** Body image Q5 -0.10
  Q31 -0.53**   Q21 -0.76**
Sexual Q12 -0.30*   Q25 -0.61**
  Q20 -0.47**   Q26 -0.68**
  1. *p < 0.05, **p < 0.01; Pearson's correlation coefficient between individual items and overall score of the IBS-QOL-J.