Objective To analyze the characteristics of children with language development delay at diffierent ages, so as to provide scientific basis for early clinical detection and intervention. Methods A study was conducted in children aged 1.5 to 6 years with questionnaire survey during January 2020 to January 2021.The S-S linguistic retardation assessment was adopted.Then the language development characteristics and influencing factors were analyzed. Results 1) The age of delayed speech visits was mainly between 1.5 and 3.5 years old, with an average of 2.6 years old, and significantly more boys than girls.Among children with delayed speech visits, 52.48% had an expressive vocabulary of less than 10 words, and 12.38% visited the hospital because they did not speak, the level of language comprehension was mainly at the symbolic stage of things, 80.20% had behavioral problems, 58.29% had dietary behavioral problems.And 62.87% were exposed to electronic screens for more than 1h/d, 50.99% parent-child interaction was less than 2h/d.2) The proportion oflanguage comprehension delay and operational task delaywere significantly different among different age groups (χ2=13.68, 17.62, P<0.01).The proportion of delayed language comprehension gradually increased with age, and the difference was most significant around 2 years old.The rate of operational task delay was higher in each age groups.3) Multivariate Logistic regression analysis showed that higher education level of the main caregiver was a protective factor for language comprehension (OR=0.81, 95%CI:0.67 - 0.97, P＜0.05), while behavioral problems increased the risk of operational task delay (OR=2.84, 95%CI:1.21 - 6.65, P＜0.05). Conclusions Language development delays mostly occur in children around 2.5 years of age and are prone to behavioral problems.After 2 years of age, in addition to language delays, children are more likely to have a combination of comprehension delays and operational delays, and behavioral problems increase the risk for operational delays.Therefore, early screening and targeted interventions are necessary, and scientific parenting and favorable behavior habits may help to children's early language development.
Key words
language development delay /
language characteristics /
behavior /
children
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