Assessment of motor milestones in twins

Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies
Jacqueline M LangendonkDorret I Boomsma

Abstract

The aim of this study was to investigate the reliability of obtaining through mailed surveys maternal reports of specific major motor milestones achievement. To accomplish this aim we compared and contrasted mailed survey data and telephone interview data on a series of questions about age at which motor milestones were achieved. We used monthly telephone interviews with mothers of 238 twin pairs, beginning at age 6 months, which ascertained the age at which each specific milestone was met. The contrasting 'through the mail' survey was sent after the second birthday of an independent group of children, and included 463 twin pairs. All twins were born between March 2003 and March 2004. Comparisons were made for the following 5 milestones: sitting without support, hands and knees crawling, turning from back to belly, standing without support, and walking without support. There was no difference between the concurrent telephone interviews and the retrospective through the mail survey on any of the landmarks, except 'standing without support'. From this work we conclude that data on achieving milestones can be reliably obtained through the mail using retrospective surveys when the children are 2 years of age.

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Jun 23, 2006·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Silvia I BrouwerDorret I Boomsma
Jun 2, 2007·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Meike BartelsDorret I Boomsma

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Citations

Jun 7, 2011·Maternal and Child Health Journal·Sara E Benjamin NeelonMatthew W Gillman
Nov 29, 2012·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Catharina E M van BeijsterveldtDorret I Boomsma
Dec 2, 2011·Journal of Pregnancy·Catharina E M van BeijsterveldtDorret I Boomsma
Nov 22, 2012·Developmental Psychobiology·Lia JacobsohnJoao Barreiros
Nov 2, 2019·Twin Research and Human Genetics : the Official Journal of the International Society for Twin Studies·Lannie LigthartDorret I Boomsma
Apr 5, 2020·International Journal of Environmental Research and Public Health·Silvia I BrouwerEva Corpeleijn
Nov 25, 2020·Developmental Medicine and Child Neurology·Karen VerheyenAnn Hallemans

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