Additional file 3.

Figure S3. Use of butter for cooking in age groups by study year. Reported weekly mean intakes, adjusted for BMI for each 10-year age group for men and women for the period 1986 to 2010. Information was not available for 1987 to 1989 since the VIP FFQ was not fully harmonized until 1991. Black dots (‚óŹ) show years with a trend shift as indicated by the Joint Point software. Unfilled circles indicate 30-year olds with low number in the age group, i.e. <310 subjects.

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Johansson et al. Nutrition Journal 2012 11:40   doi:10.1186/1475-2891-11-40