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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Ann Hum Biol. 2015 Jun 12;43(1):85–90. doi: 10.3109/03014460.2014.1002533

Table II.

Proportion of infants with RWG within each growth reference by age interval*

0–3 months 0–6 months 6–12 months 0–12 months p-value for Cochran’s Q
CDC references 16 (22.2%) 14 (19.4%) 3 (4.2%) 8 (11.1%) 0.0002†
WHO standards 6 (8.3%) 12 (16.7%) 9 (12.5%) 12 (16.7%) 0.2424
*

n=72 for this analysis, the analytic sample without any missing RWG measures across all age intervals.

†

McNemar’s paired chi-square tests revealed that all age intervals were statistically significantly different from each other (p<0.05) except for the 0–3 month v. 0–6 month interval comparison, and the 6–12 month v. 0–12 month comparison.