1.
Organizing the health interview survey at the local level: design of a pilot study
Short-term impact of the COVID-19 confinement measures on health behaviours and weight gain among adults in Belgium
Data collection in pandemic times: the case of the Belgian COVID-19 health surveys
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Anxiety and Depression in Belgium during the First 15 Months of the COVID-19 Pandemic: A Longitudinal Study
Post COVID-19 condition and health-related quality of life: a longitudinal cohort study in the Belgian adult population
Post COVID-19 condition and its physical, mental and social implications: protocol of a 2-year longitudinal cohort study in the Belgian adult population
Measurement agreement of the self-administered questionnaire of the Belgian Health Interview Survey: Paper-and-pencil versus web-based mode.
The Belgian health examination survey: objectives, design and methods
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Classification of post COVID-19 condition symptoms: a longitudinal study in the Belgian population
Additional file 1 of Association between SARS-CoV-2 variants and post COVID-19 condition: findings from a longitudinal cohort study in the Belgian adult population