Motor and Social Development

Developed by the NCHS, this scale for children under age 4, measures developmental milestones in motor skills, cognition, communication, and social development. Part of the Mother Supplement.

Table 3.1. Motor & Social Development: Percentile Scores by Child Age and Race/Ethnicity (2006 Sample Cases)
Table 3.2. Motor & Social Development: Percentile Scores by Child Age and Race/Ethnicity (2006 Weighted Distribution)
Table 3.3. Motor & Social Development: Standard Scores by Child Age and Race/Ethnicity (2006 Weighted Distribution)
Table 3.4. Motor & Social Development: Percentile Scores for Female Children by Child Age and Race/Ethnicity (2006 Weighted Distribution)
Table 3.5. Motor & Social Development: Percentile Scores for Male Children by Child Age and Race/Ethnicity (2006 Weighted Distribution)
Table 3.6. Motor & Social Development: "All" Percentile Scores for Female Children by Child Age and Race/Ethnicity (2006 Weighted Distribution)
Table 3.7. Motor & Social Development: "All" Percentile Scores for Male Children by Child Age and Race/Ethnicity (2006 Weighted Distribution)

Table 3.1 Motor And Social Development: Percentile Scores By Child Age And Race/Ethnicity (2006 Sample Cases)

  0-19 20-39 40-59 60-79 80-89 90-99 Invalid Valid Total % Valid
AGE OF CHILD 4 2 3     1 1 10 11 90.9
Under 1 Year
1 Year 6 1 3 6 3   3 19 22 86.4
2 Years 3 5 2 3 2 1 4 16 20 80.0
3 Years 12 8 6 1 9 2 10 38 48 79.2
Total 25 16 14 10 14 4 18 83 101 82.2
RACE OF CHILD AGE OF CHILD 2 1           3 3 100.0
Hispanic Under 1 Year
1 Year 2   1 2 1   1 6 7 85.7
2 Years 1 2 1 2   1 2 7 9 77.8
3 Years 1 3     2   3 6 9 66.7
Total 6 6 2 4 3 1 6 22 28 78.6
Black AGE OF CHILD 1 1       1   3 3 100.0
Under 1 Year
1 Year 2   1 1 1   1 5 6 83.3
3 Years 2 2 1 1 2   5 8 13 61.5
Total 5 3 2 2 3 1 6 16 22 72.7
White AGE OF CHILD 1   3       1 4 5 80.0
Under 1 Year
1 Year 2 1 1 3 1   1 8 9 88.9
2 Years 2 3 1 1 2   2 9 11 81.8
3 Years 9 3 5   5 2 2 24 26 92.3
Total 14 7 10 4 8 2 6 45 51 88.2



Table 3.2 Motor And Social Development: Percentile Scores By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 32.8 8.6 54.4     4.2 100.0 35.3 23.6
Under 1 Year
1 Year 33.5 7.5 13.1 33.0 12.9   100.0 45.3 29.3
2 Years 20.4 32.3 9.4 16.2 20.5 1.1 100.0 44.7 27.0
3 Years 34.0 15.0 19.1 0.9 23.6 7.4 100.0 45.2 33.7
Total 31.1 16.2 20.0 10.1 18.2 4.4 100.0 44.0 30.8
RACE OF CHILD AGE OF CHILD 61.7 38.3         100.0 9.3 8.7
Hispanic Under 1 Year
1 Year 61.0   13.2 18.2 7.6   100.0 30.8 32.8
2 Years 15.7 33.6 16.5 24.8   9.4 100.0 45.6 25.6
3 Years 17.3 62.9     19.8   100.0 35.3 25.5
Total 37.5 32.1 8.2 11.8 8.0 2.3 100.0 32.4 28.7
Black AGE OF CHILD 32.1 31.4       36.5 100.0 41.7 38.6
Under 1 Year
1 Year 50.3   12.4 23.8 13.4   100.0 42.2 29.6
3 Years 25.2 14.8 16.5 10.3 33.1   100.0 51.2 33.7
Total 34.1 12.9 12.6 12.8 21.7 5.8 100.0 46.9 33.6
White AGE OF CHILD 27.8   72.2       100.0 38.9 19.1
Under 1 Year
1 Year 24.7 10.4 13.2 37.8 13.9   100.0 48.9 27.4
2 Years 21.1 32.1 8.4 15.0 23.4   100.0 44.5 27.2
3 Years 36.0 11.9 20.6   22.9 8.6 100.0 45.3 34.0
Total 30.1 14.6 22.1 9.6 19.1 4.4 100.0 45.1 30.4



Table 3.3 Motor And Social Development: Standard Scores By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-84 85-99 100-114 115+ Total Mean Std Dev
AGE OF CHILD 32.8 42.6 20.4 4.2 100.0 92.3 12.2
Under 1 Year
1 Year 33.5 7.5 46.1 12.9 100.0 96.7 14.2
2 Years 7.7 54.4 25.2 12.7 100.0 97.8 12.0
3 Years 24.7 27.5 16.7 31.0 100.0 96.3 20.0
Total 24.0 30.5 24.6 20.9 100.0 96.2 16.9
RACE OF CHILD AGE OF CHILD 61.7 38.3     100.0 77.3 8.5
Hispanic Under 1 Year
1 Year 61.0   31.4 7.6 100.0 88.5 16.7
2 Years   65.8 24.8 9.4 100.0 98.3 10.9
3 Years 17.3 62.9   19.8 100.0 93.8 11.3
Total 33.6 40.1 16.0 10.3 100.0 90.7 14.5
Black AGE OF CHILD 32.1 31.4   36.5 100.0 96.2 19.4
Under 1 Year
1 Year 50.3   36.2 13.4 100.0 96.4 13.4
3 Years 25.2 14.8 26.8 33.1 100.0 89.0 38.4
Total 34.1 12.9 25.4 27.6 100.0 92.5 30.2
White AGE OF CHILD 27.8 45.1 27.1   100.0 94.4 9.1
Under 1 Year
1 Year 24.7 10.4 51.0 13.9 100.0 98.5 13.1
2 Years 8.7 52.8 25.2 13.2 100.0 97.7 12.2
3 Years 25.2 26.5 16.8 31.5 100.0 97.2 17.5
Total 21.9 31.1 25.5 21.4 100.0 97.2 15.1



Table 3.4 Motor And Social Development: Percentile Scores For Female Children
By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 22.2   64.6     13.2 100.0 50.8 23.8
Under 1 Year
1 Year 36.8   32.6 23.2 7.4   100.0 41.8 29.4
2 Years 39.4 6.7 26.3 2.3 25.3   100.0 46.5 27.4
3 Years 37.5 11.1     51.4   100.0 48.4 37.0
Total 36.3 6.4 20.8 5.6 29.5 1.3 100.0 46.7 31.9
RACE OF CHILD AGE OF CHILD 100.0           100.0 12.9 5.5
Hispanic Under 1 Year
1 Year     63.5   36.5   100.0 63.6 18.4
2 Years   59.4   20.3 20.3   100.0 50.0 26.4
3 Years 69.7       30.3   100.0 29.2 33.5
Total 39.5 20.5 12.5 7.0 20.6   100.0 39.1 30.0
Black AGE OF CHILD           100.0 100.0 92.4 0.0
Under 1 Year
1 Year 70.5       29.5   100.0 32.0 34.9
3 Years 25.1       74.9   100.0 63.1 35.1
Total 36.5       50.1 13.4 100.0 56.9 38.1
White AGE OF CHILD     100.0       100.0 55.3 0.0
Under 1 Year
1 Year 34.2   35.6 30.2     100.0 41.4 27.9
2 Years 44.4   29.6   26.0   100.0 46.1 27.5
3 Years 37.6 13.6     48.8   100.0 47.1 36.6
Total 36.0 5.6 24.3 6.1 28.0   100.0 46.3 30.9



Table 3.5 Motor And Social Development: Percentile Scores For Male Children
By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 45.0 5.3 49.7       100.0 27.6 19.1
Under 1 Year
1 Year 27.6 3.8 30.3 20.2 18.1   100.0 48.4 29.6
2 Years 41.0 5.5 31.7 3.8 18.0   100.0 41.6 26.7
3 Years 32.6 19.3 7.5 16.7 2.2 21.8 100.0 47.3 32.1
Total 34.4 12.7 20.4 13.4 7.3 11.8 100.0 44.3 30.3
RACE OF CHILD AGE OF CHILD 100.0           100.0 3.3 0.0
Hispanic Under 1 Year
1 Year 77.0     13.8 9.2   100.0 25.2 28.7
2 Years 29.3 42.1   28.6     100.0 41.0 24.0
3 Years   83.7     16.3   100.0 41.1 21.4
Total 45.4 35.2   10.8 8.6   100.0 31.1 26.8
Black AGE OF CHILD 50.6 49.4         100.0 15.5 7.9
Under 1 Year
1 Year   33.5 22.8 43.7     100.0 50.9 23.6
3 Years 25.4   56.2   18.5   100.0 45.4 29.4
Total 22.3 18.9 36.1 13.1 9.6   100.0 41.7 28.0
White AGE OF CHILD 38.1   61.9       100.0 31.9 18.5
Under 1 Year
1 Year 18.0   40.2 18.1 23.7   100.0 54.6 27.4
2 Years 42.8   36.5   20.7   100.0 41.7 27.1
3 Years 35.4 16.5 4.2 19.1   24.9 100.0 47.8 32.8
Total 34.2 9.5 21.5 13.7 6.9 14.3 100.0 46.1 30.5



Table 3.6 Motor And Social Development: "All" Percentile Scores For Female Children
By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 6.2 15.9 64.6     13.2 100.0 53.3 23.3
Under 1 Year
1 Year 36.8   5.2 50.5 7.4   100.0 45.8 29.0
2 Years   42.1 4.0 28.6 23.0 2.3 100.0 52.5 26.0
3 Years 37.5   11.1   51.4   100.0 51.4 37.7
Total 23.8 13.3 13.3 18.8 28.9 2.0 100.0 50.7 31.8
RACE OF CHILD AGE OF CHILD 28.2 71.8         100.0 15.6 7.6
Hispanic Under 1 Year
1 Year     63.5   36.5   100.0 67.5 16.1
2 Years   23.8 35.6 20.3   20.3 100.0 55.4 24.4
3 Years 69.7       30.3   100.0 31.9 34.9
Total 21.7 26.0 24.7 7.0 13.6 7.0 100.0 43.0 30.2
Black AGE OF CHILD           100.0 100.0 92.1 0.0
Under 1 Year
1 Year 70.5       29.5   100.0 36.6 34.1
3 Years 25.1       74.9   100.0 66.0 35.9
Total 36.5       50.1 13.4 100.0 59.9 37.6
White AGE OF CHILD     100.0       100.0 58.4 0.0
Under 1 Year
1 Year 34.2     65.8     100.0 45.3 27.8
2 Years   44.4   29.6 26.0   100.0 52.1 26.2
3 Years 37.6   13.6   48.8   100.0 50.2 37.4
Total 22.5 13.5 13.6 22.4 28.0   100.0 50.4 30.9



Table 3.7 Motor And Social Development: "All" Percentile Scores For Male Children
By Child Age And Race/Ethnicity (2006 Weighted Distribution)

  0-19 20-39 40-59 60-79 80-89 90-99 Total Mean Std Dev
AGE OF CHILD 45.0 5.3 49.7       100.0 27.0 18.6
Under 1 Year
1 Year 31.4 12.2 18.1 22.0 16.3   100.0 45.0 29.5
2 Years 41.0 22.4 14.8 3.8 18.0   100.0 36.8 25.8
3 Years 32.6 21.1 22.3 1.3 12.3 10.4 100.0 42.7 31.6
Total 35.1 17.8 23.7 5.3 12.4 5.7 100.0 40.4 29.6
RACE OF CHILD AGE OF CHILD 100.0           100.0 2.2 0.0
Hispanic Under 1 Year
1 Year 77.0     23.0     100.0 21.1 29.0
2 Years 29.3 42.1   28.6     100.0 37.2 23.4
3 Years   83.7     16.3   100.0 36.4 21.4
Total 45.4 35.2   14.3 5.2   100.0 27.2 26.4
Black AGE OF CHILD 50.6 49.4         100.0 12.8 7.4
Under 1 Year
1 Year 33.5   22.8 43.7     100.0 46.9 24.2
3 Years 25.4 26.6 29.5 18.5     100.0 39.5 26.4
Total 32.3 22.7 22.2 22.7     100.0 36.9 26.2
White AGE OF CHILD 38.1   61.9       100.0 31.7 17.5
Under 1 Year
1 Year 18.0 17.8 22.5 18.1 23.7   100.0 51.5 26.9
2 Years 42.8 19.4 17.1   20.7   100.0 36.7 26.1
3 Years 35.4 16.5 23.2   13.0 11.9 100.0 43.4 32.4
Total 34.2 15.3 26.6 2.8 14.3 6.8 100.0 42.2 29.8