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Bland–Altman plot comparing energy intake (EI) of normal-weight pregnant women (n 25) assessed with a short dietary questionnaire (SDQ) to total energy expenditure (TEE) measured with the doubly labelled water method, Västerbotten, northern Sweden, 2008–2009. Difference between EI and TEE is displayed on the y-axis and TEE on the x-axis. The mean difference is displayed as – – – – – and the limits of agreement (mean ± 1·96 sd) are displayed as ······
