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Table 1 Summary table describing the national/regional nutrition surveys included in the EXPOCHI project

From: Dietary exposure assessments for children in europe (the EXPOCHI project): rationale, methods and design

Country Time span fieldwork Population Sampling Sampling frame Nr. of subject Age range (y) Sex PR*
Belgium Oct 2002 - Feb 2003 Preschoolers Multi-stage cluster design (43 schools PSU randomly selected in the five different provinces of Flanders) Register of schools from Ministry of Education 696 (3 days)
1027 (> 1 day)
2.5-6.5 M/F 50%
Netherlands 2006-2007 Toddlers/Preschoolers Random sampling stratified by age and gender Consumer panels 1279 2-6 M/F 78%
France Dec 2005 - May 2007 All age and gender groups Multi-stage cluster design National census for 1998 & additional data of houses & buildings built between 1999 & 2004 574 3-10 M/F 69%
Italy Oct 2005 - Dec 2006 All age and gender groups Multi-stage stratified design (households as clusters) Telephone directories at municipality level 1329 households 1-10 (no max. age limit) M/F 33%
Spain1 May 1998 - April 2000 All age and gender groups Multi-stage stratified design (geographical area, population size) and randomised by clusters in two stages (municipalities, individuals). From national census 3534 (1 day) 850 (2 days) 1-24 M/F 68%
Spain2 March 2004 -
Feb 2005
children and adolescents Multi-stage sampling design A Regional Register from the Basque Country Statistics Institute, EUSTAT 1178 households 4-18 M/F 77%
Denmark June 2000 - December 2002 children Random sampling From civil registration system 825 4-10 M/F 71.4%
Czech Republic Nov 2003-Nov 2004 Age groups 4 - 90 years - national food consumption study Multistage sampling design Czech national census data from 2001 413 4-14 M/F 54%
Finland I Ongoing cohort study Finnish Type I Diabetes Predictin and Prevention Study Cohort recruited based on genetic susceptibility on diabetes All newborn babies in the area of three university hospitals 500 (altogether 1500) 1, 3, 6 M/F NA
Finland II Ongoing cohort study (participants were 10 yrs in 2000-2002) Special Turku Coronary Risk Factor Intervention Study (control group) Cohort recruited from the Turku well-baby clinics All children aged 5 months and living in the Turku city were invited to the well-baby clinics. 278 (altogether) > 6 years M/F NA
Greece February 2004-June 2005 Preschoolers The sample consisted of all state-run nursery schools/playgroups in one of the four prefectures of Crete Register of schools from Ministry of Education 847 (total sample size 1755) 4 to 6 M/F 48%
Sweden May/June - Oct/Nov 2003 Children Multi-stage cluster design National register (for 4 years old) and list of schools (for 8-9 and 11-12 years old) were used 2600 3 to 13 M/F 73%
Cyprus Oct 2002 - June 2006 Children, adolescents Multi-stage cluster design Register of schools from Ministry of Education 1000 (3 days)
500 (1 day)
2-18 (2-10 only 1 day) M/F 52%
Poland Sept.-Dec. 2000 All age and gender groups
from 1362 surveyed households from all area of Poland
Random sampling using Central Statistical Office internal procedure Random subsample of Polish population 892 (from 4134) 1-14 M/F 95%
Germany Ongoing cohort (since 1985) German children and adolescents An (open) cohort sample with about 40 new infants starting annually Invitations and recruitment are mainly by study families who inform other parents about the study > 600 1-10 M/F NA
  1. *Participation Rate (PR)
  2. NA = Not applicable (cohort study)