Table 4. Logistic regressions predicting the likelihood of (a) the mother classifying her child as overweight and (b) expressing concern of her child becoming overweight in future, from child's BMI at 7, 12 and 15 years.

	B	S.e.	P-value	OR	95% CI
(a) Outcome variable: Classification of child's weight category (0=not overweight; 1=overweight)
Constant	−23.5
7-year BMIa	1.1	0.1	<0.001	3.0	2.3–4.0
Constant	−24.6
12-year BMI	1.0	0.1	<0.001	2.7	2.1–3.5
Constant	−16.5
15-year BMI	0.6	0.1	<0.001	1.8	1.5–2.1
(b) Outcome variable: Future concern of child becoming overweight (0=unconcerned; 1=concerned)
Constant	−7.7
7-year BMIa	0.4	0.1	<0.001	1.6	1.4–1.7
Constant	−8.1
12-year BMI	0.4	0.0	<0.001	1.5	1.4–1.6
Constant	−7.7
15-year BMI	0.3	0.0	<0.001	1.4	1.3–1.5

Abbreviations: B, beta; BMI, body mass index; CI, confidence interval; OR, odds ratio.

n=531 at 7 years; n=433 at 12 years; n=298 at 15 years.

^aPreviously published data.⁸