Fig. 1
An overview of the calculation of the Nordic Nutrition Recommendations (NNR) score for each nutritional component and physical activity. The daily recommended intake (NNRRecommendation) and NNR upper (NNRU) represent the range of the recommended intake and upper cut-off points defined in NNR. Intake between these levels gives one point (perfect adherence). Median lower (MedianL) and Median upper (MedianU) define the median within the lowest and largest percentiles in our study population i.e., the extreme cut-off points for lower and upper intakes, respectively. Intakes outside the median cut-offs points give zero points (non-adherence). A proportional score (0–1) was calculated for intakes between the NNRRI and the median cut-off (intermediate adherence) according to Eqs. 1 and 2. XA and XB corresponds to actual intakes within the range of the proportional score. Some of the nutrients have no defined upper limit. This figure is inspired by Möller et al. [23]