Table 4.

Mean Developmental Test Scores at Three Years of Age in Relation to Cumulative Proportion of Total Days With MEE in the First Year of Life*

Cumulative Proportion of Days With MEENo. of Study ParticipantsTest Scores
Formal TestsConversational Samples
McCarthy GCIMcCarthy SubscalesPPVT-RNDWMLUmPCC-R
VerbalPercep PerfQuant
Mean Score (SD)
>30%64 –65102.9 (11.7)50.6 (7.4)52.4 (7.3)52.6 (8.4)98.4 (14.8)131.4 (27.7)2.9 (.6)84.6 (7.8)
15%–30%87 –90107.1 (12.5)53.4 (8.5)54.2 (7.5)54.6 (8.7)101.2 (14.2)131.1 (33.5)3.0 (.8)86.6 (6.4)
<15%82 –86108.0 (13.7)55.0 (9.6)53.8 (6.9)53.6 (9.5)104.0 (16.9)134.5 (34.9)3.1 (.8)86.5 (6.6)
  • GCI indicates General Cognitive Index; Percep Perf, Perceptual Performance; Quant, Quantitative.

  • * First year of life denotes the age period 2 to 12 months.

  • A score on every test was not available for every participant.

  • All tests for trend were nonsignificant.