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Table 1 Overview data collection methods of BNFCS2014 in children and adolescents/adults

From: Protocol of the Belgian food consumption survey 2014: objectives, design and methods

Age group First home visit Between home visits Second home visit
Children (3–9 years) • Face-to-face questionnairea(CAPI) • 1-day food diary + GloboDiet completion interview 1 by telephone
• FFQ (paper)
• Health questionnaire (paper)
• Accelerometer + logbook
• 1-day food diary (for completion interview 2)
• GloboDiet completion interview 2
• Anthropometric measurements
Adolescents and adults (10–64 years) • 24-h recall 1 (GloboDiet)
• Face-to-face questionnairea(CAPI) (part 1)
• FFQ (paper)
• Health questionnaire (paper)
• Accelerometer + logbook (adolescents)
• 24-h recall 2 (GloboDiet)
• Face-to-face questionnairea(CAPI) (part 2)
• Anthropometric measurements
  1. CAPI computer-assisted personal interviewing, FFQ Food Frequency Questionnaire
  2. aThe face-to-face questionnaire includes questions regarding physical activity, sedentary behaviour, socio-demographic, lifestyle and health characteristics and food safety