Table 1

Data collection in NTR triplets

Questionnaire

N trio list retour

N triplet list retour

Response rate


Q familial twinning

269

80%

Q1

323

58%

Q2

264

49%

CBCL age 3 - 12 mother

516

54 - 68%

CBCL age 3 - 12 father

510

54 - 68%

TRF consent form age 6 - 12

106

62%

TRF age 6 - 12

188

78%

YSR age 14 - 18

212

30 - 48%

ANTR surveys (list 1 to 8; ongoing)

315

47 - 48%


CBCL = Child Behavior Check List; TRF = Teacher Report Form; YSR = Youth Self Report; NTR = Netherlands Twin Register; ANTR = Adult NTR. Trio list are surveys inquiring about the trio, triplet list are surveys inquiring about a triplet.

Lamb et al. BMC Pediatrics 2011 11:24   doi:10.1186/1471-2431-11-24

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