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Table 6 Internal consistency and intraclass correlation coefficients for each question

From: Psychometric evaluation of the Polish adaptation of the Hill-Bone Compliance to High Blood Pressure Therapy Scale

Question Correlation with the total score Cronbach's alpha with the question excluded Intraclass correlation coefficient
Question 1 0.471 0.768 0.842
Question 2 0.209 0.788 0.852
Question 3 0.140 0.791 0.820
Question 4 0.230 0.784 0.886
Question 5 0.541 0.758 0.830
Question 6 0.157 0.808 0.826
Question 7 0.599 0.756 0.787
Question 8 0.505 0.765 0.807
Question 9 0.543 0.761 0.855
Question 10 0.653 0.746 0.840
Question 11 0.582 0.760 0.888
Question 12 0.504 0.763 0.861
Question 13 0.320 0.780 0.807
Question 14 0.380 0.774 0.806
  1. 1-How often do you forget to take your HBP medicine? 2-How often do you decide NOT to take your HBP medicine? 3-How often do you eat salty food? 4-How often do you add salt to your food before you eat it? 5-How often do you eat fast food? 6-How often do you make the next appointment before you leave the doctor’s office? 7-How often do you miss scheduled appointments? 8-How often do you forget to get prescriptions filled? 9-How often do you run out of HBP pills? 10-How often do you skip your HBP medicine before you go to the doctor? 11-How often do you miss taking your HBP pills when you feel better? 12-How often do you miss taking your HBP pills when you feel sick? 13-How often do you take someone else’s HBP pills? 14-How often do you miss taking your HBP pills when you are careless?