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. 2017 Oct 6;7(10):e015122. doi: 10.1136/bmjopen-2016-015122

Table 3.

Association between BMI peak characteristics and overweight and obesity at age 2 years

Overweight at 2 years (n=1790) Obesity at 2 years (n=1790)
Model containing infant BMI trajectory characteristics alone
OR (95% CI)
Initial model plus all independent variables
OR (95% CI)
Model containing infant BMI trajectory characteristics alone
OR (95% CI)
Initial model plus all independent variables
OR (95% CI)
Magnitude (kg/m2) 2.94 (2.54 to 3.40)*** 3.11 (2.64 to 3.66)*** 2.76 (2.11 to 3.60)*** 2.69 (2.00 to 3.61)***
Age (months) 1.36 (1.23 to 1.51)*** 1.35 (1.21 to 1.50)*** 1.33 (1.08 to 1.65)** 1.35 (1.08 to 1.68)**
Prepeak velocities (kg/m2/month) 0.17 (0.07 to 0.40)*** 0.14 (0.06 to 0.34)*** 0.10 (0.02 to 0.56)** 0.12 (0.02 to 0.74)*
Male (vs female) 0.67 (0.49 to 0.90)** 0.99 (0.51 to 1.96)
Birth weight Z-score,(continuous) 1.06 (0.89 to 1.26) 1.24 (0.84 to 1.82)
Duration of breast feeding (continuous) 0.97 (0.93 to 1.01) 0.92 (0.84 to 1.01)
Duration of sleep (continuous) 0.89 (0.77 to 1.02) 0.89 (0.63 to 1.24)
Caesarean section (vs vaginal birth) 1.08 (0.81 to 1.44) 0.80 (0.42 to 1.54)
Mother age (>35 years vs ≤35 years) 0.68 (0.38 to 1.21) 0.74 (0.21 to 2.59)

The analysis includes only infants who had BMI peak within 0–408 days and whose BMI trajectories were estimable by the quadratic model.

*p<0.05; **p<0.01; ***p<0.001.

BMI, body mass index.