TABLE 4.

Proportions of Children Scoring Below 1 SD From the Mean on VIQ, PIQ, and FSIQ Tests of the WPPSI-R (<85) and the WPPSI-R Subtests (<7) and of Children Scoring Below 1 SD From the Mean on the MCSA Motor Scale(<40)

No. (%)Statistical Analysis*
ICSIIVFNC
VIQ14/483 (2.9)7/416 (1.7)15/469 (3.2)χ2 = 2.18, NS
PIQ31/483 (6.4)25/415 (6.0)21/469 (4.5)χ2 = 1.86, NS
FSIQ21/483 (4.3)17/399 (4.3)15/454 (3.3)χ2 = 0.91, NS
Information12/483 (2.5)5/413 (1.2)14/467 (3.0)χ2 = 5.82, NS
Comprehension14/482 (2.9)10/412 (2.4)13/464 (2.8)χ2 = 6.93, NS
Arithmetic19/483 (3.9)16/413 (3.9)17/467 (3.6)χ2 = 14.44, NS
Vocabulary11/483 (2.3)10/413 (2.4)12/467 (2.6)χ2 = 7.16, NS
Similarities48/481 (10)35/412 (8.5)27/467 (5.8)χ2 = 5.54, NS
Object assembly24/485 (4.9)22/414 (5.3)26/467 (5.6)χ2 = 15.71, NS
Block design32/484 (6.6)41/413 (9.9)31/467 (6.6)χ2 = 9.47, NS
Mazes58/485 (1.2)69/414 (1.7)69/466 (1.5)χ2 = 11.16, NS
Picture completion22/485 (4.5)23/414 (5.6)21/467 (4.5)χ2 = 15.28, NS
Animal pegs45/481 (9.4)27/407 (6.6)29/467 (6.2)χ2 = 15.95, NS
MSCA Motor Scale Index47/479 (9.8)32/409 (7.8)28/452 (6.2)χ2 = 4.16, NS
  • * Pearson χ2 test. NS indicates nonsignificant (P > .05).