TABLE 7.
P values | ||||||
---|---|---|---|---|---|---|
Measure | Ages2 (mo) | n | Variable | Enrollment | Delivery | Cord blood |
Willatts Task | 10 | 194 | Total score | 0.193 | 0.208 | 0.133 |
BSID | 18 | 183 | MDI | 0.425 | 0.425 | 0.683 |
— | 184 | PDI | 0.864 | 0.080 | 0.089 | |
MCBDI | 18 | 191 | Words Produced | 0.0184 | 0.889 | 0.766 |
TOPEL | 42 | 154 | Early Literacy Index | 0.452 | 0.0115 | 0.310 |
PPVT | 60 | 156 | Standard score | 0.158 | 0.0045 | 0.405 |
Sentence Repetition | 36–48 | 137 | Total score | 0.291 | 0.342 | 0.743 |
WPPSI | 36–72 | 143 | Verbal IQ | 0.1135 | 0.0135 | 0.297 |
— | 148 | Processing Speed3 | 0.0555 | 0.0135 | 0.574 | |
— | 149 | Performance IQ | 0.0225 | 0.716 | 0.272 | |
— | 141 | Full Scale IQ | 0.0045 | 0.0415 | 0.138 | |
BASC | 36–72 | 141 | Externalizing Problems | 0.425 | 0.844 | 0.521 |
— | 140 | Internalizing Problems | 0.991 | 0.367 | 0.564 | |
— | 140 | Behavioral Symptoms Index | 0.308 | 0.272 | 0.510 | |
— | 140 | Adaptive Skills | 0.0445 | 0.123 | 0.482 |
BASC, Behavioral Assessment Scale for Children; BSID, Bayley Scales of Infant Development; IQ, intelligence quotient; MBCDI, MacArthur-Bates Communicative Development Inventory; MDI, Mental Development Index; PDI, Psychomotor Development Index; PPVT, Peabody Picture Vocabulary Test; SES, socioeconomic status; TOPEL, Test of Preschool Early Literacy; WPPSI, Wechsler Preschool and Primary Scale of Intelligence.
A principal component score derived across ages was the criterion variable.
This subscale is assessed only at 48 and 72 mo.
Effect of DHA remains significant after controlling for SES.
Effect of DHA does not remain significant after controlling for SES.