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Table 1 Participant characteristics

From: Maternal age, autistic-like traits and mentalizing as predictors of child autistic-like traits in a population-based cohort

Study characteristics

N

Mean (SD)

Maternal

Age at conception

5718

30.9 (4.7)

Education (%)

  High

3172

55.5

  Mid

1520

26.6

  Low

532

10.2

Autistic-like traits score

3610

50.9 (8.9)

Mentalizing skill score

3993

17.6 (3.4)

Paternal

Age at conception

4936

33.5 (5.5)

Education (%)

  High

2933

51.3

  Mid

1230

21.5

  Low

666

11.6

Child

Age (years)

4700

13.5 (0.4)

Sex (% boys)

2849

49.8

National origin (%)

  Dutch

3622

63.3

  Moroccan, Turkish, Cape Verdean, Antillean, Surinamese

1176

20.6

  Other western

528

9.2

  Other non-western

349

6.1

Autistic-like traits score

5718

0.3 (0.2)

  1. Data represent means (SDs) unless specified otherwise
  2. Missing data: 8.6% maternal education, 13.7% paternal age, 15.5% paternal education, 17.9% child age, 0.8% child national origin, 30.1% maternal mentalizing skills, 36.8% maternal autistic traits