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. 2023 Mar 23;18(3):e0280248.
doi: 10.1371/journal.pone.0280248. eCollection 2023.

Associations between socioeconomic status and screen time among children and adolescents in China: A cross-sectional study

Youzhi Ke  1 , Sitong Chen  2 , Jintao Hong  3 , Yahan Liang  1 , Yang Liu  1   4
Affiliations

Associations between socioeconomic status and screen time among children and adolescents in China: A cross-sectional study

Youzhi Ke et al. PLoS One. .

Abstract

Background: Socioeconomic status (SES) is an important determinant of screen time (ST) in children and adolescents, however, the association between SES and ST is not fully understood in China. This study aimed to investigate the association between SES and ST (operationalized as meeting the ST guidelines; no more than 2 hours per day) in Chinese children and adolescents.

Methods: Cross-sectional data of 2,955 Chinese children and adolescents aged 8 to 17(53.4% girls) were used. SES was measured using indicators of parental education and perceived family wealth. ST was assessed with detailed items from the Health Behaviour School-aged Children survey questionnaires. Descriptive statistics and a Chi-square test were used to report the sample characteristics and analyse ST differences across different sociodemographic groups. A binary logistic regression was then applied to analyse the association of SES indicators with ST in children and adolescents.

Results: Overall, 25.3% of children and adolescents met the ST guidelines. Children and adolescents with higher parental education levels were 1.84 [95% CI 1.31-2.57; father] and 1.42 [95% CI 1.02-1.98; mother] times more likely to meet the ST guidelines than those with lower parental education levels. Associations between SES and ST varied across sex and grade groups. Moreover, the associations of SES with ST on weekdays and weekends were different.

Conclusions: This study demonstrated the association between SES and ST in children and adolescents, highlighting the importance of targeting children and adolescents with low SES levels as an intervention priority. Based on our findings, specific interventions can be tailored to effectively reduce ST. Future studies are encouraged to use longitudinal or interventional designs to further determine the association between SES and ST.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Fig 1
Fig 1. Regression analysis of socioeconomic status and screen time.
Fig 2
Fig 2. Regression analysis of sex differences in socioeconomic status and screen time.
Fig 3
Fig 3. Regression analysis of grade differences in socioeconomic status and screen time.
See this image and copyright information in PMC

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