Early language delay and predictive factors in children aged 2 years
Prathanee, B.; Purdy, S.C.; Thinkhamrop, B.; Chaimay, B.; Ruangdaraganon, N.; Mo-suwan, L.; Phuphaibul, R.
Journal of the Medical Association of Thailand 92(7): 930-938
2009
ISSN/ISBN: 0125-2208 PMID: 19626813 Document Number: 12161
To investigate the predictive factors for early language delay (ELD) at age 2 years based on the Prospective Cohort Study of Thai children (PCTC). A prospective cohort study: secondary data retrieving. Three thousand nine hundred five children were recruited from four communities and one hospital in five areas of Thailand. 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. Number of children with ELD at age of 2 years. 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 <2500 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. 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).
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