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High risk adolescent obesity behavior patterns: a comparison of clusters, factors, and an index measure
Author(s) -
Boone Janne Elizabeth,
GordonLarsen Penny,
Adair Linda S
Publication year - 2007
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.21.5.a115-c
Subject(s) - obesity , body mass index , demography , percentile , anthropometry , medicine , odds ratio , population , cluster (spacecraft) , logistic regression , risk factor , environmental health , statistics , mathematics , computer science , sociology , programming language
Obesity is related to diet and activity patterns, yet pattern analyses are rare and findings population‐specific. We compared cluster analysis (individuals with shared behaviors), factor analysis (underlying correlated behavior patterns), and an index (scoring of behavior items) to describe obesity‐related behavior patterns. Data from the National Longitudinal Study of Adolescent Health (Wave I age 11–21; N=9,251) included 36 self‐reported diet, activity, and behavior variables, and measured anthropometry [Waves I: 1995; II: 1996, III: 2000]. Sex‐stratified, longitudinal logistic regression, controlling for sociodemographics, assessed odds of incident obesity (BMI ≥30 kg/m 2 or BMI ≥95th percentile CDC/NCHS) across clusters, factor level, and index score. Cluster analysis findings linked several behavior patterns to elevated incident obesity in females (relative to school involvement) [e.g., OR (95% CI): 2.8 (1.9, 4.3)]. Factor findings linked nutrient dense diet, sports & exercise, and junk food & sedentary time to incident obesity in females [e.g., OR (95% CI): 2.2 (1.1, 4.3)]. High index scores were associated with incident obesity [OR (95% CI): male: 1.8 (1.3, 2.5); female: 2.6 (2.0, 3.3)]. Cluster and factor analyses revealed similar patterning of diverse behaviors, and an index measure applicable to other populations yielded comparable obesity associations. Funding: RO1‐041375