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Table 5 Multinomial logistic regression model of trajectory classes by short stature and covariates (n = 12,536)

From: Short stature and language development in the United Kingdom: a longitudinal analysis of children from the Millennium Cohort Study

Trajectory class

Model 1

Model 2

Model 3

RRR

95% CI

RRR

95% CI

RRR

95% CI

Average (ref)

-

-

-

-

-

-

Low declining

 Short stature

2.11***

1.51, 2.95

1.88***

1.34, 2.65

1.70**

1.19, 2.42

Low improving

 Short stature

1.42*

1.06, 1.90

1.15

0.86, 1.55

1.23

0.90, 1.70

High performing

 Short stature

0.65***

0.52, 0.82

0.72**

0.57, 0.91

0.81

0.63, 1.04

  1. Model 1 is adjusted for sex, model 2 adjusted for sex and birth weight (kg) and model 3 for sex, birth weight (kg), ethnicity, mother’s highest qualification, second-hand smoke exposure, any breastfeeding, mother’s age at birth of child, mother’s diagnosis of depression or anxiety, mid-parental height, income quintile and IMD. RRR relative risk ratio. RRR and 95% CI in bold are significant at the p < 0.05 level. “*” denotes coefficient is significant at p < 0.05 level. “**” denotes coefficient is significant at p < 0.01 level. “***” denotes coefficient is significant at p < 0.001 level