In order to protect the confidentiality of personal data and to fulfil legal requirements, the questionnaire included only an identification number, without any nominative information.
In order to protect the confidentiality of personnel data and to fulfil legal requirements, the questionnaire included only an identification number, without any nominative information.
In order to protect the confidentiality of personal data and to fulfill legal requirements, the questionnaire included only an identification number, without any nominative information.
After considering these requirements, 4 questionnaires were selected: The Oswestry Disability Index (ODI), the Roland Morris Low Back Pain Disability Questionnaire (RDQ), the World Health Organization Disability Assessment Schedule (WHODAS II), and the Nottingham Health Profile (NHP).
One weakness of this study is the requirement for questionnaire completion and patient consent, which will tend to bias the data towards those managed in good clinical settings.
The Cronbach's coefficient alpha of the Chinese version of COMM exceeded 0.70, the general requirements of a questionnaire internal consistency.
The main objectives of the pilot study were to establish face validity and identify any problems in understanding the requirements of the questionnaire or individual questions.
This is an automated double-blind, randomised controlled trial of a smoking cessation app that contains the eligibility requirements and baseline questionnaire and will randomise the participants into one of the two subapps (the intervention and the control).
For illustration, 245 questionnaires return from 11 provinces and autonomous regions, and the returns ratio is 70%, which satisfy the requirement that the questionnaire returns-ratio is not lower than 20% in the data investigation.
The administrator used a standardized script to explain the requirements of the questionnaires, and any questions were answered.
