These symptoms were further subdivided into general and facial symptoms Khitish Mohanty. The participants were also asked to indicate the duration they could tolerate the mask before experiencing any discomfort.
In what role do you have to use FFP3 mask? Medical Doctor, Surgeon/Surgical Assistant, Anaesthetist, Theatre Personnel, Intensive Care Doctor, Intensive Care Nurse, Nurse in wards, Emergency unit Personnel, Other Healthcare Worker Khitish Mohanty
Q2 Were you satisfied with the method used for FIT testing of FFP3 mask? Completely Satisfied, Very Satisfied, Moderately Satisfied, Slightly Satisfied, Not at all Satisfied Khitish Mohanty
Q3 On an average, for how long do you continuously wear FFP3 masks? (for each instance of mask use) <1 hour, 1 to 2 hours, 2 to 3 hours, 3 to 4 hours, > 4 hours Khitish Mohanty
Q4 Do you experience any pain or discomfort after using FFP3 masks? None, Very Mild, Mild, Moderate, Severe Khitish Mohanty
Q5 Do you agree that the sealing straps of the current FFP3 are comfortable? Strongly Agree, Agree, Neither Agree nor Disagree, Disagree, Strongly Disagree Khitish Mohanty
Q6 Do you experience any of the following general symptoms after using FFP3 masks? (tick more than one if applicable) Cough, Dryness/Irritation of throat, Difficulty in breathing/Breathlessness, Thirst, Exhaustion, Claustrophobia, Change in voice, None of the above, Any other symptoms (free text option) Khitish Mohanty.
Q7 Do you experience any of the following facial symptoms after use of FFP3 masks? (tick more than one if applicable) Facial discomfort, Bruising of Face, Pressure marks over Face and Nose, Itching or Burning of Face and Nose, None of the above, Any other symptoms (free text option) Khitish Mohanty.
Q8 How long can you wear FFP3 masks along with full PPE before experiencing discomfort? 30 min or less, 45 min, 60 min, 90 min, 2 hours, more than 2 hours.
Q9 Any other comment or suggestions to improve user friendliness of FFP3 mask Free text Khitish Mohanty.
Statistical analysis was performed using R software (version 4.0.0, R Foundation for Statistical Computing, Vienna, Austria). Role-based sub-groups and their categorical and ordinal responses were reported as proportions. We have reported both mean and medians for Likert scale responses, including the measure for spread of data i.e. Standard Deviation. For qualitative data, non-parametric tests were used to determine statistical significance. The statistical significance was set at p-value < 0.05. Khitish Mohanty.
