Table 2. Post Hoc Comparisons from WISC ANCOVA Analyses of Influenza B by Case Status.
| Test | Unexposed Control Subjects vs. Exposed Control Subjects | Unexposed Cases vs. Unexposed Control Subjects | Unexposed Cases vs. Exposed Cases | |||
|---|---|---|---|---|---|---|
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| t, df, p | Cohen's d | t, df, p | Cohen's d | t, df, p | Cohen's d | |
| FIQ | − 1.249, 1, .213 | .121 | 1.933, 1, .054 | .186 | 1.369, 1, .172 | .246 |
| PIQ | − .463, 1, .644 | .045 | −2.051, 1, .041 | .199 | 1.243, 1, .215 | .223 |
| VIQ | − 1.287, 1, .199 | .125 | − 1.050, 1, .294 | .102 | 2.270, 1, .024 | .408 |
| Information | − .677, 1, .499 | .067 | −.690, 1, .491 | .068 | 2.061, 1, .04 | .370 |
| Comprehension | − 1.015, 1, .311 | .100 | −.355, 1, .723 | .035 | 1.097, 1, .274 | .197 |
| Vocabulary | − .813, 1, .417 | .100 | −2.257, 1, .025 | .221 | 1.637, 1, .103 | .294 |
| Digit Span | − 1.412, 1, .159 | .139 | .059, 1, .953 | − .006 | 1.757, 1, .0799 | .315 |
| Picture Arrangement | − 1.208, 1, .228 | .119 | −.782, 1, .435 | .077 | 1.459, 1, .146 | .262 |
| Block Design | .753, 1, .452 | − .074 | −2.320, 1, .021 | .227 | .726, 1, .469 | .130 |
| Coding | − .328, 1, .743 | .032 | − 1.458, 1, .146 | .143 | .500, 1, .618 | .090 |
All analyses controlled for child's handedness, child's sex, child's race, and maternal social status.
ANCOVA, analysis of covariance; FIQ, full scale IQ; PIQ, performance IQ; VIQ, verbal IQ; WISC, Wechsler Intelligence Scale for Children.