title: Multiplex congruity: friendship networks and perceived popularity as correlates of adolescent alcohol use.
abstract: Adolescents interact with their peers in multiple social settings and form various types of peer relationships that affect drinking behavior. Friendship and popularity perceptions constitute critical relationships during adolescence. These two relations are commonly measured by asking students to name their friends, and this network is used to construct drinking exposure and peer status variables. This study takes a multiplex network approach by examining the congruity between friendships and popularity as correlates of adolescent drinking. Using data on friendship and popularity nominations among high school adolescents in Los Angeles, California (N = 1707; five schools), we examined the associations between an adolescent's drinking and drinking by (a) their friends only; (b) multiplexed friendships, friends also perceived as popular; and (c) congruent, multiplexed-friends, close friends perceived as popular. Logistic regression results indicated that friend-only drinking, but not multiplexed-friend drinking, was significantly associated with self-drinking (AOR = 3.51, p < 0.05). However, congruent, multiplexed-friend drinking also was associated with self-drinking (AOR = 3.10, p < 0.05). This study provides insight into how adolescent health behavior is predicated on the multiplexed nature of peer relationships. The results have implications for the design of health promotion interventions for adolescent drinking.
authors.affiliation: Division of Health Promotion & Behavioral Sciences, School of Public Health, University of Texas Health Science Center at Houston, TX, USA. Electronic address: Kayo.Fujimoto@uth.tmc.edu.
authors.forename: Kayo
authors.initials: K
authors.lastname: Fujimoto
authors.affiliation: Institute for Health Promotion and Disease Prevention Research, Department of Preventive Medicine, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA. Electronic address: tvalente@usc.edu.
authors.forename: Thomas W
authors.initials: TW
authors.lastname: Valente
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior / Q000523:psychology*; D000428:Alcohol Drinking / Q000523:psychology*; D005260:Female; D033062:Friends / Q000523:psychology; D006801:Humans; D007398:Interpersonal Relations; D015141:Los Angeles; D008297:Male; D012928:Social Desirability; D011795:Surveys and Questionnaires
keywords: Adolescent alcohol use; Decomposed network exposure model; Friendship network; Network multiplexity; Peer status; Perceived popularity; Social network analysis