62 Chapter 3 Supplementary Figure 2. Histogram of the distribution of age in the study population. Supplementary Figure 3. Histogram showing the distribution of physical activity level (PAL) in the study population. Likert Scale; 1-6*, 1 = Hardly any physical activity, 2 = Mostly sitting, sometimes walk, easy tasks/play, 3 = Light physical activity for about 2-4 times a week (e.g., fishing, talking, dancing), 4 = Moderate exercise 1-2 hours a week (jogging, swimming, gymnastics), 5 = Moderate exercise at least 3 hours a week (jogging, swimming, gymnastics), 6 = Hard or very hard exercise regularly and several times a week during which the physical exercise is great (jogging, rugby, football).
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