Early language delay and predictive factors in children aged 2 years

Benjamas Prathanee*, Suzanne C. Purdy, Bandit Thinkhamrop, Bhunyabhadh Chaimay, Nitchara Ruangdaraganon, Ladda Mo-suwan, Rutja Phuphaibul

*Corresponding author for this work

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Objective: To investigate the predictive factors for early language delay (ELD) at age 2 years based on the Prospective Cohort Study of Thai children (PCTC). Study design: A prospective cohort study: secondary data retrieving. Subjects: Three thousand nine hundred five children were recruited from four communities and one hospital in five areas of Thailand. Material and Method: The Language Development Survey (LDS) was performed to identify children with early language delay (ELD) at age 2 years. Logistic regression analysis was used to investigate the association between possible factors (both biological and environment factors) and ELD. Main outcome measure: Number of children with ELD at age of 2 years. Results: The incidence of ELD at age 2 years was 11.68%. Risk factors for ELD were birth weight (Odds Ratio: OR =2.38, 95% Confidence interval: CI 1.65-3.42), male gender (OR = 2.12, 95% Confidence interval: CI 1.67-2.69), 3rd-4th and 5th child born or more (OR = 1.42, 95% CI = 1.02-1.96; OR = 1.88, 95% CI = 1.08-3.27, respectively), birth weight < 2,500 grams (OR = 2.38, 95% CI = 1.65-3.42), no first word within 1 year (OR = 2.25, 95% CI = 1.79-2.84), no walking within 1 year (OR = 1.34, 95% CI = 1.05-1.72), and maternal occupation (laborer or none) (OR = 1.36, 95% CI = 1.01-1.82). District living was a protective factor for ELD (OR = 0.42, 95% CI = 0.32- 0.54). There was no clear evidence for a link between breastfeeding and ELD. Conclusion: Significant factors identified here raise strong concerns that should be addressed clinically when counseling families and planning treatment. Further study using a longer longitudinal design and more detailed information is recommended to better determine predictive factors for ELD or specific language impairment (SLI).

Original languageEnglish
Pages (from-to)930-938
Number of pages9
JournalJournal of the Medical Association of Thailand
Volume92
Issue number7
Publication statusPublished - Jul 2009

Keywords

  • Language development disorders
  • Language tests
  • Predictive value of tests

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