Table 3.

Main effect by quintiles of milk intake and LCT-13910 C>T (exposure variables) on body height in Swedish preadolescents and adolescents (n=542); stepwise backward multiple linear regression models were used

Dependent variable: height (cm)	β	95% CI of β	P	R2
Model 1a
Quintiles of milk intake (g/d)2	0.45	0.34–0.86	0.034	0.89
LCT-13910 C>T (LP vs. LNP)	2.01	0.14–3.89	0.035
Model 2b
Quintiles of milk intake (g/d)	0.45	0.35–0.87	0.034	0.89
LCT-19310 C>T (LP vs. LNP)	2.00	0.13–3.87	0.036
Model 3c
Quintiles of milk intake (g/d)	0.46	0.40–0.87	0.032	0.89
LCT-13910 C>T (LP vs. LNP)	2.05	0.18–3.92	0.032

^aIncluded variables in Model 1: birth weight, sex, mother's and father's height. BMI, Tanner stage, SES

^bExcluded variable: BMI (p[F] ≥ 0.10).

^cExcluded variables: SES (p[F] ≥ 0.10).

Missing subjects: 54.