Questions were administered regarding the use of 4 previously common "infant" over-the-counter cold and cough medicines labeled to consult a physician if used in children <2 years of age.
A baseline screening questionnaire was administered regarding medications, pulmonary and cardiac symptoms, and smoking history.
At the first visit, a baseline questionnaire was administered regarding health status, medication intake, and smoking history.
To each person providing a sample, a questionnaire was administered regarding types of food eaten and cooking practices.
At the first visit, a baseline screening questionnaire was administered regarding medications, pulmonary and cardiac symptoms, and smoking history.
At an ACS visit, a standardised questionnaire is administered regarding demographics, sexual behaviour, and medical history for sexually transmitted infections (STI).
Moreover, it should be noted that different WHODAS-2 linguistic versions have been administered regarding the country setting, but analyzed as a whole.
Appropriate informed consent was obtained from all subjects, and a questionnaire was administered regarding overall health, smoking status, asbestos exposure, age, sex, and recontact information.
Three months after entry participants were invited to attend a nurse-led clinic at which a questionnaire was administered regarding compliance and side effects.
At each repeated clinical visit, including baseline, a short questionnaire was administered regarding smoking behavior, time of last meal, and a 7-day recall of medication intake.
The part of the questionnaires administered regarding demographic characteristics and reason for choosing the Health Centre was completed by the patient and was given to an administrative officer who was responsible for this part of the data collection.
