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Table 8 Associations between exposure and cognitive functioning (beta coefficients)

From: Neurobehavioural and cognitive effects of prenatal exposure to organochlorine compounds in three year old children

Cognitive tests

     
 

N

RTOS

(language development)

T = 97

♀ = 50

♂ = 47

SON-RS IQ

(Reasoning)

T = 125

♀ = 62

♂ = 63

SON-PS IQ

(performance)

T = 125

♀ = 62

♂ = 63

SON-TIQ

(total intelligence)

T = 125

♀ = 62

♂ = 63

Sum PCB ng/g lipid

99

−.103**

−.036

−.054

−.043

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

Calux-TEQ pg/g lipid

60

−.267**

−.002

−.042

−.010

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

PCB-118 ng/g lipid

99

−.125*

NS

NS

NS

Girls

 

NS

NS

NS

NS

Boys

 

NS

−.353**

−.401***

−.424***

PCB-170 ng/g lipid

98

−.243**

−.050

−.107

−.083

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

HCB ng/g lipid

98

−.262**

−.212

−.055

−.147

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

DDE ng/g lipid

79

−.028

.052

−.009

.026

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

Sum PCB*HCB

97

−.327***

−.168

−.072

−.121

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

Sum PCB*DDE

79

−.245**

−.048

.045

−.010

Girls

 

NS

NS

NS

NS

Boys

 

NS

NS

NS

NS

  1. RTOS, SON-RS IQ, SON-PS IQ, SON-TIQ: see overview tests in Table 1
  2. PCBs, Calux-TEQ, DDE, HCB: see blood sampling and measurements
  3. Sum PCB*HCB, sum PCB*DDE: see statistical analysis
  4. * = 0.050 ≤ p < 0.10, ** = 0.010 ≤ p < 0.050, *** = 0.001 ≤ p < 0.010
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BMC Pediatrics

ISSN: 1471-2431

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