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Table 2 Correlations of Q-CHAT scores to predictor and control variables

From: No relationship between early postnatal testosterone concentrations and autistic traits in 18 to 30-month-old children

 

Boys

Girls

All

 

n

r

p

n

r

p

n

r

p

Testosterone at mini-puberty

39

.07

.684

47

.03

.827

86

.11

.323

Birth weight

40

.03

.877

47

−.23

.121

87

−.11

.305

Child’s age at saliva sampling

40

.27

.084

47

−.06

.674

87

.04

.738

Child’s age at Q-CHAT assessment

40

−.14

.380

47

−.17

.243

87

−.15

.164

Maternal age

40

.15

.365

46

.08

.614

86

.12

.293

Paternal age

39

−.02

.885

46

.22

.136

85

.13

.243

Maternal education

40

−.03

.865

47

−.12

.418

87

−.08

.469

Paternal education

40

−.03

867

47

−.12

421

87

−.11

.328

Number of siblings

40

−.08

.632

47

.08

.599

87

.00

.980