Cohort Data Description.
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*—Height was available at both age 2 and age 5 in the NFBC1986. Height was measured on a subsample of the BCS1970 cohort at age 2 and the full sample at age 5. The main analyses used height at age 2 z-score for both the NFBC1986 and the CLHNS and used the average of height at ages 2 and 5 z-scores for the BCS1970. Alternative specifications using height at age 5 z-score and the mean of the z-scores for height at ages 2 and 5 in the NFBC1986 were also assessed and the results do not differ substantially. Cohort Data Description.
创建时间：
2015-09-09
