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Abstract Aim To investigate the effect of a communication tool about diet used in public health nurse consultations with parents compared with standard consultations concerning the 2‐year‐old child's diet. Design A cluster randomized controlled trial. Methods Ten municipalities were selected randomly and matched in pairs. In each pair, the control or intervention group was randomly allocated. Parents were recruited to participate from January 2015 to January 2017. In intervention clusters, a communication tool about diet was used to help the parents (N = 140) to focus on a healthy diet for their child. In the control clusters, parents (N = 110) attended standard consultations. The participants completed semi‐quantitative food frequency questionnaires at baseline and end point. Results No effect of the intervention was seen on the child's daily intake of vegetables or saturated fat, or body mass index. Significantly fewer parents desired more information about food for toddlers in the intervention than in the control group.

Objective: To validate energy intake (EI) estimated from pre-coded food diaries against energy expenditure (EE) measured with a validated position-and-movement monitor (ActiReg) in groups of 13-year-old Norwegian schoolchildren.Design: Two studies were conducted. In study 1 the monitoring period was 4 days; participants recorded their food intake for four consecutive weekdays using food diaries and wore the ActiReg during the same period. In study 2 the monitoring period was 7 days; participants recorded their food intake for four consecutive days but wore the ActiReg for a whole week.Settings: Participants were recruited from grade 8 in a school in and one outside Oslo (Norway).Subjects: Forty-one and 31 participants from study 1 and 2, respectively, completed the study.Results: The group average EI was 34% lower than the measured EE in study 1 and 24% lower in study 2. The width of the 95% confidence limits of agreement in a BlandAltman plot for EI and EE varied from -0.2?MJ to 8.2?MJ in study 1 and from -2.3?MJ to 6.9?MJ in study 2. The Pearson correlation coefficients between reported energy intake and expenditure were 0.47 (P=0.002) in study 1 and 0.74 (P<0.001) in study 2.Conclusion: The data showed that there was substantial variability in the accuracy of the food diary at the individual level. Furthermore, the diary underestimated the average energy intake. The ability of the food diary to rank individuals according to energy intake was found to be good in one of the studies and moderate in the other. [ABSTRACT FROM AUTHOR]