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Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships.
J Abnorm Child Psychol. 2019 11; 47(11):1851-1862.JA

Abstract

Non-suicidal self-injury (NSSI), or self-harming behavior without intent to die (Nock Current Directions in Psychological Science, 18, 78-83, 2009), is associated with distress and impairment across domains, including increased risk for suicidality (Kiekens et al. Journal of Affective Disorders, 239, 171-179, 2018). In adolescence, prevalence of NSSI is high (Swannell et al. Suicide and Life-threatening Behavior, 44, 273-303, 2014), and peer influence regarding NSSI is thought to be strong (Brechwald and Prinstein Journal of Research on Adolescence, 21, 166-79, 2011). Although concern regarding "clusters" of NSSI has long been documented, peer socialization of NSSI in adolescence is understudied. This paper tests peer influence on NSSI frequency within adolescent friendship dyads. Emotion regulation difficulties and friendship quality were evaluated as factors that may influence susceptibility to peer influence effects. Adolescents (N = 196, M age = 15.68, 69.9% female, 87.6% White) nested within 93 friendship dyads reported on their own NSSI frequency, difficulties in emotion regulation, and friendship quality at three time points spaced 3 months apart. Cross-lagged Actor-Partner Interdependence Models examined peer influence effects over time. Friends' Time 1 frequency of NSSI uniquely predicted adolescents' own NSSI frequency over 3 and 6 months, controlling for initial similarity among friends as well as individual risk factors for NSSI. Peer influence effects were strongest in adolescents with higher levels of emotion regulation difficulty but did not vary as a function of friendship quality. Friends' NSSI frequency is a significant and unique predictor of increases in adolescents' own NSSI frequency over time. Implications for interventions that leverage the important developmental context of peer relationships are discussed.

Authors+Show Affiliations

Department of Psychology, University of Maine, 301 Little Hall, Orono, ME, 04469, USA. rebecca.schwartzmette@maine.edu.Department of Psychology, University of Maine, 301 Little Hall, Orono, ME, 04469, USA.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31209626

Citation

Schwartz-Mette, Rebecca A., and Hannah R. Lawrence. "Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships." Journal of Abnormal Child Psychology, vol. 47, no. 11, 2019, pp. 1851-1862.
Schwartz-Mette RA, Lawrence HR. Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships. J Abnorm Child Psychol. 2019;47(11):1851-1862.
Schwartz-Mette, R. A., & Lawrence, H. R. (2019). Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships. Journal of Abnormal Child Psychology, 47(11), 1851-1862. https://doi.org/10.1007/s10802-019-00569-8
Schwartz-Mette RA, Lawrence HR. Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships. J Abnorm Child Psychol. 2019;47(11):1851-1862. PubMed PMID: 31209626.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Peer Socialization of Non-Suicidal Self-Injury in Adolescents' Close Friendships. AU - Schwartz-Mette,Rebecca A, AU - Lawrence,Hannah R, PY - 2019/6/19/pubmed PY - 2020/10/21/medline PY - 2019/6/19/entrez KW - Adolescence KW - Friendships KW - Nonsuicidal self-injury KW - Peer influence KW - Socialization SP - 1851 EP - 1862 JF - Journal of abnormal child psychology JO - J Abnorm Child Psychol VL - 47 IS - 11 N2 - Non-suicidal self-injury (NSSI), or self-harming behavior without intent to die (Nock Current Directions in Psychological Science, 18, 78-83, 2009), is associated with distress and impairment across domains, including increased risk for suicidality (Kiekens et al. Journal of Affective Disorders, 239, 171-179, 2018). In adolescence, prevalence of NSSI is high (Swannell et al. Suicide and Life-threatening Behavior, 44, 273-303, 2014), and peer influence regarding NSSI is thought to be strong (Brechwald and Prinstein Journal of Research on Adolescence, 21, 166-79, 2011). Although concern regarding "clusters" of NSSI has long been documented, peer socialization of NSSI in adolescence is understudied. This paper tests peer influence on NSSI frequency within adolescent friendship dyads. Emotion regulation difficulties and friendship quality were evaluated as factors that may influence susceptibility to peer influence effects. Adolescents (N = 196, M age = 15.68, 69.9% female, 87.6% White) nested within 93 friendship dyads reported on their own NSSI frequency, difficulties in emotion regulation, and friendship quality at three time points spaced 3 months apart. Cross-lagged Actor-Partner Interdependence Models examined peer influence effects over time. Friends' Time 1 frequency of NSSI uniquely predicted adolescents' own NSSI frequency over 3 and 6 months, controlling for initial similarity among friends as well as individual risk factors for NSSI. Peer influence effects were strongest in adolescents with higher levels of emotion regulation difficulty but did not vary as a function of friendship quality. Friends' NSSI frequency is a significant and unique predictor of increases in adolescents' own NSSI frequency over time. Implications for interventions that leverage the important developmental context of peer relationships are discussed. SN - 1573-2835 UR - https://www.unboundmedicine.com/medline/citation/31209626/Peer_Socialization_of_Non_Suicidal_Self_Injury_in_Adolescents'_Close_Friendships_ L2 - https://doi.org/10.1007/s10802-019-00569-8 DB - PRIME DP - Unbound Medicine ER -