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Table of Contents
Follow-up Questionnaire 1B
Adult and elderly Lifelines participants participating in general assessment 1A (“Baseline”) received two follow-up questionnaires, 1B and 1C.
1B was sent out on average xx months (+/- yy months) after 1A Questionnaire 2.
1B was followed by 1C after on average xx months (+/- yy months).
Of all participants that filled out 1B (n = ~125,000), 95% of participants filled in a paper variant whereas 5% filled in a digital variant.
1B contained the following sections and subsections:
Demographics
Diseases & symptoms
Elderly
NB: Only elderly participants (65+) were asked these questions
Family health
Lifestyle & Environment
Medical Treatment
Mental Health
Nutrition
NB: The three FFQ petals (A/B/C) were distributed over three questionnaires (1B, 1C and 2A Questionnaire 1), so that each participant received the petals in one of six possible orders (ABC, ACB, BAC, BCA, CAB, or CBA).