Development and revision of the life attitude self-rating questionnaire for breast cancer
Objective The purpose of the study was to develop and revise the Life Attitude Self-rating Question-naire for Breast Cancer(LASQ-BC)based on the Delphi technique,in order to provide an effective instrument for life attitude evaluation regarding women with breast cancer.Methods The subscales and item pool were established ac-cording to life attitude related theories and questionnaires.The Delphi technique was used to perform the experts letter reviews.All subscales and items were selected and revised based on statistical analysis,experts'comments,and in-depth discussion among the research team members.Results A two-round Delphi was completed,with the first and second round having satisfied expert positivity coeffect(94.1%vs 100%),expert authority level(both were 0.90),and Kendall coordination coefficients(0.276 vs 0.400).Regarding the two-round Delphi,the full score rate(%)of the importance score were all above 50%,the coefficient of variation(CV)ranged from 0.05 to 0.29.A total of 4 items were deleted,3 items were added,1 subscale and 7 items were revised in the first round,and 3 items were deleted,1 item was added,1 subscale and 2 items were revised in the second round.The final LASQ-BC had 26 items with six subscales.Conclusions All subscales and items of the LASQ-BC met the statistical criterion,the experts'letter review and research team in-depth discussion.A further validation of the questionnaire should be performed in a large sample of women with breast cancer.
Breast neoplasmsLife attitudeSelf-rating questionnaireDelphi method