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AIM: To identify impact of television viewing on language development. METHODS: The case-control study included 56 new patients with language delay and 110 normal children, aged 15-48 months. Language delay was diagnosed by reviewing language milestones and Denver-II. Television viewing variables and child/parental characteristics between both groups were interviewed. The data were analyzed by ANOVA and chi-square test. Adjusted odds ratios and 95% confidence intervals were calculated from multivariate logistic regression model. RESULTS: Forty-six boys and 10 girls; mean +/-SD age, 2.11+/-0.47 years of the case group and 59 boys and 51 girls; mean +/-SD age, 2.23+/-0.80 years of the control group were enrolled. Children who had language delay usually started watching television earlier at age 7.22+/-5.52 months vs. 11.92+/-5.86 months, p-value2 h/day were approximately six times more likely to have language delays. CONCLUSIONS: There is a relationship between early onset and high frequency of TV viewing and language delay.
Chonchaiya et al. (Mon,) studied this question.