Growth of a national sample of Israeli children: Are local standards needed?

Area of Science:

• Pediatric Growth and Development
• Public Health and Epidemiology
• Anthropometry and Biostatistics

Background:

• Assessing child growth is crucial for public health.
• Established reference data, like the National Center for Health Statistics (NCHS) medians, are vital for growth monitoring.
• Understanding growth patterns in diverse populations is essential for accurate health assessments.

Purpose of the Study:

• To evaluate the growth patterns of Israeli Jewish children aged 9-15 months and 7-10 years.
• To compare their anthropometric data (stature, weight, birth weight) against NCHS reference data.
• To investigate ethnic variations in growth within the Israeli Jewish population.

Main Methods:

• Utilized personal records from two large national samples of Israeli Jewish children (n=7,532 and 4,638).
• Compared measured statures and weights against NCHS median reference data.
• Analyzed growth differences among ethnic subgroups (Asian, African, European, American origins) after adjusting for covariates.

Main Results:

• Median birth weights were similar to NCHS reference data.
• Both male and female children were slightly, though statistically significantly, lighter and shorter than NCHS references.
• Ethnic variations were observed, with children of Asian and African origin showing lower weights and statures compared to those of European or American origin.

Conclusions:

• Israeli Jewish children's growth is largely unconstrained, supporting the use of NCHS data as a reference standard.
• Despite statistically significant differences, observed variations in stature and weight lack biological significance.
• The heterogeneous and evolving ethnic composition of Israel, coupled with global migration trends, makes local growth standard development impractical.