Friends’ parents impact teen drinking

PENN STATE (US) — The parents of high school students’ friends can have as much effect on whether teens drink alcohol or use drugs as their own parents.

“Among friendship groups with ‘good parents’ there’s a synergistic effect—if your parents are consistent and aware of your whereabouts, and your friends’ parents are also consistent and aware of their (children’s) whereabouts, then you are less likely to use substances,” says Michael J. Cleveland, research assistant professor at the Prevention Research Center and the Methodology Center at Penn State.

“But if you belong to a friendship group whose parents are inconsistent, and your parents are consistent, you’re still more likely to use alcohol. The differences here are due to your friends’ parents, not yours.”

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As reported in the Journal of Studies on Alcohol and Drugs, parenting behaviors and adolescents’ substance-use behaviors are significantly correlated  in the “expected directions.” Study results show higher levels of parental knowledge and disciplinary consistency leading to a lower likelihood of substance use, whereas lower levels lead to a higher likelihood of substance use.

However if an adolescent’s parents are consistent and generally aware of their children’s activities, but the parents of the children’s friends are inconsistent and generally unaware of their own children’s activities, the adolescent is more likely to use substances than if their friends’ parents were more similar to their own parents.

“The peer context is a very powerful influence,” Cleveland says. “We’ve found in other studies that the peer aspect can overwhelm your upbringing.”

While long suspected to be the case, the researchers believe this to be the first study where parenting at the peer level proved to have a concrete and statistically significant impact on child outcomes.

For the study, researchers surveyed 9,417 ninth-grade students during the spring semester, and then again the following spring semester. The students came from 27 different rural school districts in Pennsylvania and Iowa, all participating in the Promoting School-university-community Partnerships to Enhance Resilience (PROSPER) study.

In ninth grade, the researchers asked the students to name five of their closest friends. The researchers identified social networks within the schools by matching up the mutually exclusive friendships. Overall, the researchers identified 897 different friendship groups, with an average of 10 to 11 students in each group.

At that time students also answered questions about their perceptions of how much their parents knew about where they were and who they were with. They were also asked about the consistency of their parents’ discipline. In the tenth-grade follow-up, students responded to questions about their substance use habits, specifically their use of alcohol, cigarettes, and marijuana.

Behaviors of friends’ parents influenced substance use even when taking into account the effects of the teens’ own parents’ behaviors and their friends’ substance use, demonstrating the powerful effect of peers on adolescent behavior.

“I think that it empowers parents to know that not only can they have an influence on their own children, but they can also have a positive influence on their children’s friends as well,” says Cleveland. “And that by acting together—the notion of ‘it takes a village’—can actually result in better outcomes for adolescents.”

Researchers at Duke University contributed to the study that was funded by the W. T. Grant Foundation and the National Institute on Drug Abuse. The National Institute on Drug Abuse and the National Institute on Alcohol Abuse and Alcoholism funded the PROSPER study.

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