Evidence map›Paper›PMID 28186926›Full record

ArticleBMJ open2016

Impact of screen time on mental health problems progression in youth: a 1-year follow-up study.

Xiaoyan Wu, Shuman Tao, Shichen Zhang, Yukun Zhang, Kaihua Chen, Yajuan Yang, Jiahu Hao, Fangbiao Tao

Abstract read
In one paragraph

Article in BMJ open, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed, 6 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

28 citing papers in PubMed, 6 syntheses or guidelines pooled it.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Xiaoyan WuDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.
Shuman TaoDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.
Shichen ZhangDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.
Yukun ZhangDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.
Kaihua ChenDepartment of Physical Education, School of General Education, Anhui Medical University, Hefei, China.
Yajuan YangDepartment of Surgical Nursing, School of Nursing, Anhui Medical University, Hefei, China.
Jiahu HaoDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.
Fangbiao TaoDepartment of Maternal, Child and Adolescent Health, School of Public Health, Anhui Medical University, Hefei, China.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesWe examined the relationships between screen time (ST) and mental health problems and also increment of ST and progression of mental health problems in a college-based sample of Chinese youth.

methodsWe assessed 2521 Chinese college freshmen from October 2013 to December 2014. At baseline, the mean age of participants was 18.43 years (SD 0.96 years), and 1215 (48.2%) participants reported ST >2 h/day. We estimated multivariable-adjusted ORs by using logistic regression models for the risk of developing mental health problems (anxiety, depression and psychopathological symptoms) and/or progression of these problems, according to baseline ST exposure and changes in exposure at follow-up.

resultsAt baseline, when ST >2 h/day was compared with ST ≤2 h/day, the OR was 1.38 (95% CI 1.15 to 1.65) for anxiety, 1.55 (95% CI 1.25 to 1.93) for depression and 1.49 (95% CI 1.22 to 1.83) for psychopathological symptoms. The results remained unchanged for depressive and psychopathological symptoms but not for anxiety, after additional adjustment for sex, age, residential background, body mass index, perceived family economy, sleep quality, smoking, alcohol intake, exercise after school and physical activity. When participants who had increased their ST exposure to >2 h/day were compared with those with no change and ST ≤2 h/day, the OR was 1.78 (95% CI 1.12 to 2.83) for anxiety, 1.92 (95% CI 1.23 to 2.83) for depression and 1.93 (95% CI 1.16 to 3.21) for psychopathological symptoms. These associations also remained after additional adjustment.

conclusionsThe overall effects are consistent yet small for ST/ST increment on mental health problems and its progression. Given the small effect size of the current results, it remains unclear the degree to which ST is a practically significant risk factor for mental health outcomes. Future studies of high quality are necessary to further examine this association and the direction of causality.

Indexed as

ComputersTelevisionAdolescentAnxietyChinaCross-Sectional StudiesDepressionFemaleFollow-Up StudiesHumansLogistic ModelsLongitudinal StudiesMaleMental HealthMultivariate AnalysisPsychiatric Status Rating ScalesCollege studentsMENTAL HEALTHscreen time

Identifiers

PMID28186926
PMCPMC5129036

What OpenQuestion holds

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LicenceCC BY-NC
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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.