Horizon postdoc István Tóth-Király explains his new study. Research shows problematic internet use is linked to depressive symptoms, substance abuse, and poor grades in teenagers.

The risks associated with problematic internet use

Montreal, March 9 – Most teenagers don’t remember life before the internet. They have grown up in a connected world, and being online has become one of their main sources of learning, entertaining, and socializing.

As many previous studies have pointed out, and as many parents worry, this reality does not come risk-free. Whereas time on the internet can be informative, instructive, and even pleasant, there is already significant literature on the potential harm caused by young children’s problematic internet use (PIU).

A new study

However, this new study led by István Tóth-Király, a Horizon Postdoctoral Fellow at the Substantive-Methodological Synergy Research Laboratory in Concordia’s Department of Psychology, is one of only a few that examines problematic internet use (PIU’s) effects on older adolescents. The paper was co-written by professors of psychology Alexandre Morin and Lauri Hietajärvi and Katariina Salmela-Aro of the University of Helsinki.

Three big questions

The paper was published in the journal Child Development. The study looks at data gathered by a longitudinal study of 1,750 high school students in Helsinki over three years.

It begins by asking three big questions: what were some of the predictors or determinants of problematic internet use (PIU)? How did PIU change over the course of late adolescence, in this case, ages 16-19? What are the consequences of PIU among the age group?

István Tóth-Király: “We think that problematic internet use and depressive symptoms are likely to be co-occurring instead of one determining the other.”

At-risk signals

The researchers identified three principal determinants of PIU among adolescents. The first was loneliness, defined as a lack of satisfying interpersonal relationships or the perceived inadequacy of social networks. Other studies on PIU also identified loneliness as a predictor.

Parenting practices, as perceived by the teen, also predicted problematic internet use. The researchers looked at both parental care, such as expressions of warmth, empathy, interest, and closeness towards the child, and parental neglect, defined as uneven availability or unresponsiveness to the child’s needs.

Better parenting

problematic internet use

István Tóth-Király

Unsurprisingly, better parenting is linked to lower PIU, while neglectful parenting is linked to higher PIU. The researchers noted differences in how maternal and paternal behavior affected usage.

 

Maternal caring especially was associated with lower PIU, suggesting that high-quality mother-child relationships might have led to a decrease in the need to use the internet excessively. Paternal neglect, on the other hand, had a stronger relationship with higher PIU, as a lack of guidance and limits hindered a teen’s ability to set personal boundaries.

Gender and problematic internet use

Finally, the researchers considered gender. They found boys more likely to engage in PIU than girls, as they tend to be prone to more addictive-like behavior, are more impulsive and, as suggested by other studies, may have more online options such as gaming or watching YouTube videos or pornography. Girls may be more likely to be online for socializing purposes.

Circular and harmful effects

The researchers then looked at outcomes associated with PIU, again identifying three broad categories.

The first is depressive symptoms. If left unchecked, PIU appears to come with higher levels of depression. The two have been linked in previous studies, but Tóth-Király says their findings suggest a new interpretation.

“Our study tries to understand this relationship in a bi-directional or reciprocal way,” he says. “We think that PIU and depressive symptoms are likely to be co-occurring instead of one determining the other. They will likely reinforce one another over time.”

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Other impacts

Other outcomes linked to problematic internet use include higher levels of substance abuse and lower levels of academic achievement. These were to be expected and were also believed to be co-occurring.

Tóth-Király says some teens go through a phase of heavy internet use, usually around mid-adolescence. Time spent online tends to decrease as the children mature, develop their own goals and boundaries, and form their first romantic relationships. He adds that being online for hours is not necessarily damaging, even if it does seem excessive to parents.

“If adolescents spend a lot of time on the internet, but it doesn’t really impact their mental health or their grades or doesn’t seem to have any substantial negative consequences, then we cannot really say this is problematic behavior,” he says.

Research details and references

The Social Sciences and Humanities Research Council of Canada, the Academy of Finland, and a Horizon 2020 grant supported this study.

Read the cited paper: Longitudinal Trajectories, Social and Individual Antecedents and Outcomes of Problematic Internet Use Among Late Adolescents.

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Guest Writer

This post has been curated by a Longevity Live editor for the website.

The content in this editorial is for general information only and is not intended to provide medical or other professional advice. For more information on your medical condition and treatment options, speak to your healthcare professional.

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