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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Adolesc+Health
2015 ; 56
(6
): 625-31
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gab.com Text
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English Wikipedia
Elucidating the mechanisms linking early pubertal timing, sexual activity, and
substance use for maltreated versus nonmaltreated adolescents
#MMPMID26003577
Negriff S
; Brensilver M
; Trickett PK
J Adolesc Health
2015[Jun]; 56
(6
): 625-31
PMID26003577
show ga
PURPOSE: To test models linking pubertal timing, peer substance use, sexual
behavior, and substance use for maltreated versus comparison adolescents. Three
theoretical mechanisms were tested: (1) peer influence links early pubertal
timing to later sexual behavior and substance use; (2) early maturers engage in
substance use on their own and then select substance-using friends; or (3) early
maturers initiate sexual behaviors which lead them to substance-using peers.
METHODS: The data came from a longitudinal study of the effects of child
maltreatment on adolescent development (303 maltreated and 151 comparison
adolescents; age, 9-13 years at initial wave). Multiple-group structural equation
models tested the hypotheses across three time points including variables of
pubertal timing, perception of peer substance use, sexual behavior, and
self-reported substance use. RESULTS: Early pubertal timing was associated with
substance-using peers only for maltreated adolescents, indicating the mediation
path from early pubertal timing through substance-using peers to subsequent
adolescent substance use and sexual behavior only holds for maltreated
adolescents. Mediation via sexual behavior was significant for both maltreated
and comparison adolescents. This indicates that sexual behavior may be a more
universal mechanism linking early maturation with risky friends regardless of
adverse life experiences. CONCLUSIONS: The findings are a step toward elucidating
the developmental pathways from early puberty to risk behavior and identifying
early experiences that may alter mediation effects.