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Comparisons between Bellevue (green) and Langone (purple) samples for (A) body dimensions and (B) environmental space. Each symbol represents data from one infant. Horizontal bars denote group averages. Asterisks denote significant group differences (*p <.05, †p < .10). Across samples, body factors spanned the 1st to 99th percentiles, people per room ranged from 0.5 to 4, and outdoor space ranged from 0.02 to 0.25 square miles.
