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Table 3 Proportion of stability and tracking coefficients in girls (n=4400)

From: Changes and tracking of fruit, vegetables and sugar-sweetened beverages intake from 18 months to 7 years in the Norwegian mother and child cohort study

Dietary behaviours 18 months 36 months 7 years
n % Median 5th–95th Decrease Stability Increase Spearman’s rho Decrease Stability Increase Spearman’s rho
percentile % % %   % % %  
Fruit (times/week) 4247     8.1 41.6 50.3 0.36 15.6 51.4 33.0 0.24
Low (≤ 5) 1601 37.7 5.0 (2.0–5.0) n.c 36.3 63.7   n.c 38.4 61.6  
Medium (5.1–13.9) 2375 55.9 10.5 (10.5–10.5) 11.8 41.3 46.9   20.3 62.3 17.4  
High (≥ 14) 271 6.4 21.0 (21.0–21.0) 23.6 76.4 n.c   66.8 33.2 n.c  
Vegetables (times/week) 4289     39.8 47.1 13.1 0.37 26.0 48.9 25.2 0.31
Low (≤ 5) 1677 39.1 3.0 (0.5–5.0) n.c 73.3 26.7   n.c 59.8 40.2  
Medium (5.1–7) 1012 23.6 6.0 (5.5–7.0) 54.2 34.3 11.5   40.5 19.5 40.0  
High (> 7) 1600 37.3 10.0 (7.5–21.0) 72.3 27.7 n.c   43.9 56.1 n.c  
SSB (times or glasses/week) 4143     17.0 54.3 28.8 0.44 19.9 45.1 35.0 0.30
Low (≤ 1.5) 2111 51.0 0.5 (0–1.0) n.c 55.6 44.4   n.c 44.0 56.0  
Medium (1.6–4.9) 1087 26.2 2.5 (2.0–4.0) 24.9 51.7 23.4   27.0 48.3 24.7  
High (≥ 5) 945 22.8 10.0 (5.0–24.5) 45.7 54.3 n.c   56.0 44.0 n.c  
  1. SSB Sugar-sweetened beverages, n.c. no change (decrease/increase) of behaviour possible.