Follow-up Study On The Association Between Mobile Phone Dependence And Cognitive Reasoning Ability In Adolescent

Objective To estimate the association between mobile phone dependence and short or long-term reasoning ability in adolescent.Methods In a stratified cluster sampling design,mobile phone dependence and reasoning ability were evaluated in 929 college students from three universities for twice in one year's follow-up investigation.Results The cross-sectional analysis shows that the score of mobile phone dependence is significantly associated with the score of reasoning ability(the baseline ?=-0.101,95% CI:-0.168,-0.034;the follow-up in one year's?=-0.161,95% CI:-0.255,-0.067).However,the score of mobile phone dependence on the baseline is not associated with the score of reasoning ability in one year late.Confounding factors explore reveals that,age,sex,mother's education level,BMI?physical activity,were associated with mobile phone dependence.Interestingly,after controlling of multiple confounding factors and the score of mobile phone dependence on the baseline,the score in one year late increases ten percent compare to that on the baseline,the scores of reasoning ability in one year late decreases 0.40 points(95% CI:-0.60,-0.20).Conclusion Higher mobile phone dependence is significantly associated with poorer reasoning ability.The increased score of mobile phone dependence maybe predicts the impairment on the cognitive function in adolescent.