Table 3.
Height z Score at Age 7 Yearsb,c | Height z Score at Age 13 Years | |||||
---|---|---|---|---|---|---|
0 | 0.5 | |||||
HR | 95% CI | P Value | HR | 95% CI | P Value | |
0 | 1 | Referent | 1.02 | 0.98, 1.07 | 0.29 | |
0.5 | 1.08 | 1.03, 1.13 | 0.001 | 1.10 | 1.08, 1.13 | <0.001 |
Abbreviations: CI, confidence interval; HR, hazard ratio.
a Based on data from the Copenhagen School Health Records Register. All analyses were stratified by sex and 5-year birth cohort.
b Deviations from linearity in the associations were not detected (all P’s > 0.16).
c An “average” child had a height z score of 0, a “taller” child had a z score of 0.5, and a “persistently taller” child had a z score of 0.5 at both age 7 years and age 13 years.