# Table 1 Odds ratios for overweight per z-score increase in weight for length for each of the five sets of models. The ORs are also adjusted for gestational age and sex

OR 95 % CI p
(a) Conditional growth:
Birth to 6w 1.40 1.13, 1.73 0.002
6w to 3 m 1.35 1.00, 1.81 0.049
3 to 6 m 2.07 1.48, 2.89 <0.001
6 to 12 m 1.56 1.15, 2.10 0.004
12 to 24 m 1.53a 1.15, 2.02 0.003
(b) Being bigger:
At birth 1.31 1.10, 1.56 0.003
birth to 6w 1.59 1.28, 1.98 <0.001
birth to 3 m 1.73 1.37, 2.18 <0.001
birth to 6 m 1.95 1.53, 2.49 <0.001
birth to 12 m 2.09 1.63, 2.69 <0.001
birth to 24 m 2.35 1.80, 3.07 <0.001
(c) Becoming bigger and staying bigger:
Birth to 6w 2.11 1.62, 2.75 <0.001
6w to 3 m 1.87 1.35, 2.59 <0.001
3 to 6 m 2.51 1.77, 3.56 <0.001
6 to 12 m 1.86 1.35, 2.56 <0.001
12 to 24 m 1.53a 1.15, 2.02 0.003
(d) Growing faster v being bigger:
Birth to 6w 0.88 0.72, 1.07 0.19
6w to 3 m 0.78 0.58, 1.06 0.11
3 to 6 m 1.06 0.74, 1.52 0.75
6 to 12 m 0.74 0.53, 1.06 0.099
12 to 24 m 0.65b 0.47, 0.90 0.009
(e) Becoming bigger v being bigger:
Birth to 6w 0.9 0.73, 1.10 0.30
6w to 3 m 0.8 0.58, 1.08 0.15
3 to 6 m 1.07 0.74, 1.53 0.72
6 to 12 m 0.79 0.56, 1.12 0.19
12 to 24 m 0.65b 0.47, 0.90 0.009
1. ait is no coincidence that these two coefficients are exactly the same, they are the same contrast (see Fig. 1a & c)
2. bit is no coincidence that these two coefficients are exactly the same, they are the same contrast (see Fig. 1d and e)