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Table 3 Correlations between developmental domains and overall scores for Mohawk and U.S. populations

From: Developmental screening in a Canadian First Nation (Mohawk): psychometric properties and adaptations of ages & stages questionnaires (2nd edition)

Age interval n Communication Gross motor Fine motor Problem solving Personal and social
  Mo U.S. Mo U.S. Mo U.S. Mo U.S. Mo U.S. Mo U.S.
36 monthsa 68 248 .77 .77 .48 .77 .79 .78 .49 .83 .73 .73
42 monthsb 55 956 .64 .82 .58 68 .73 .82 .80 .84 .64 .80
48 monthsa 74 336 .87 .73 .74 .69 .82 .82 .79 .66 .76 .75
54 monthsb 61 590 .75 .81 .46 .68 .87 .81 .62 .75 .81 .77
  1. Note. Mo: Mohwak. All correlations are significant at p < .01 except for the U.S. populationb at p < .0001.
  2. Correlations for the U.S. sample were combined from two different sources: aSquires et al. [3] (second edition) and bSquires et al. [18] (third edition) user’s guides as the coefficients for the 42- and 54-month intervals were not available in the second edition. Coefficients for the U.S. sample are presented for informational purposes.