Instrument | Measurement time points | |||||
---|---|---|---|---|---|---|
Screening | Baseline | Month 3 | Month 6 | |||
t− 1 | t0 | t1 | t2 | |||
Month | -1 | 0 | 3 | 6 | ||
Eligibility screening | X | |||||
Informed consent form | X | X | ||||
Demographic data questionnaire | X | |||||
PDDS | X | |||||
HAQUAMS | X | X | X | |||
HADS | X | X | X | |||
PAM | X | X | X | |||
GLTEQ | X | X | X | |||
Question on Vitamin D supplementation | X | X | X | |||
myfood24 | X | X | ||||
Diet screener | X | X | X | |||
Feasibility questionnaire | X | |||||
Usage data analysis | X | X |