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Table 3 Characteristics and exposure of partcipants

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

Total group
N = 214
 
N Mean Minimum Maximum Std. Deviation
HOME 127 47,7 28 55 4,3
Parity 206 1,6 1,0 4,0 0,8
Total IQ mother (WASI) 129 103,9 75 136 12,1
Highest education level of both parents 206 4,3 0 6 1,3
Age of mother at birth 206 29,5 20,3 41,6 3,9
BMI child at birth 206 13,6 9,8 20,6 1,4
SON, Total IQ-scale 125 113,7 70 150 13,6
Total STAI 169 0,1 0 1 0,4
Sum PCB ng/g total lipid * 198 87,9 2,8 305,6 59,6
PCB 118 ng /g total lipid 198 14,9 0 71,1 11,3
PCB 170 ng/g total lipid 197 8,9 0 55,6 7,4
Calux-TEQ pg/g total lipid 148 30,1 5,1 130,2 20,5
DDE ng/g total lipid 206 198,2 8,2 1274,5 193,5
HCB ng/g total lipid 197 27,8 2,4 132,1 20,4
Lead μg/L 201 19.2 1.0 87.3 15.8
Cadmium μg/L 201 0.7 0.1 13.9 1.1
  1. HOME, WASI, SON total IQ-scale, Total STAI: see overview tests in Tables 1 and 2
  2. Sum PCB, PCB 118, PCB 170, Calux-TEQ, DDE-conc., HCB-conc.: see “Blood sampling and measurements”
  3. *Sum PCB = PCB 138+ PCB 153+ PCB 180