Table 2 Proportion of stability and tracking coefficients in boys (n=4625)
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 | % | % | % | Â | % | % | % | Â | ||||
Fruit (times/week) | 4484 | Â | Â | Â | 8.8 | 40.8 | 50.3 | 0.36 | 18.3 | 51.5 | 30.2 | 0.23 |
Low (≤ 5) | 1659 | 37.0 | 5.0 | (0.5–5.0) | n.c | 37.6 | 62.4 |  | n.c | 42.2 | 57.8 |  |
Medium (5.1–13.9) | 2535 | 56.5 | 10.5 | (10.5–10.5) | 12.8 | 39.0 | 48.2 |  | 24.7 | 59.8 | 15.5 |  |
High (≥ 14) | 290 | 6.5 | 21.0 | (21.0–21.0) | 24.8 | 75.2 | n.c |  | 67.9 | 32.1 | n.c |  |
Vegetables (times/week) | 4507 | Â | Â | Â | 40.2 | 47.1 | 12.7 | 0.36 | 28.9 | 47.8 | 23.3 | 0.28 |
Low (≤ 5) | 1783 | 39.6 | 3.0 | (0.5–5.0) | n.c | 75.3 | 24.7 |  | n.c | 63.0 | 37.0 |  |
Medium (5.1–7) | 1075 | 23.9 | 6.0 | (5.5–7.0) | 55.1 | 32.7 | 12.3 |  | 42.6 | 21.2 | 36.2 |  |
High (> 7) | 1649 | 36.6 | 10.0 | (7.5–17.5) | 74.0 | 26.0 | n.c |  | 51.2 | 48.8 | n.c |  |
SSB (times or glasses/week) | 4374 | Â | Â | Â | 17.5 | 54.9 | 27.5 | 0.46 | 18.9 | 45.8 | 35.3 | 0.32 |
Low (≤ 1.5) | 2114 | 48.3 | 0.5 | (0–1.0) | n.c | 55.2 | 44.8 |  | n.c | 41.8 | 58.2 |  |
Medium (1.6–4.9) | 1171 | 26.8 | 2.5 | (2.0–4.0) | 25.6 | 52.3 | 22.0 |  | 24.9 | 48.2 | 26.9 |  |
High (≥ 5) | 1089 | 24.9 | 10.5 | (5.0–25.0) | 42.8 | 57.2 | n.c |  | 49.1 | 50.9 | n.c |  |