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HLTB15H3 Chapter Notes -Inverse Relation, Statistical Significance, Social Learning Theory

Health Studies
Course Code
Iva Zovkic

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Week # 9: “New Model for Predicting Adolescent Sexual Intentions” by Lin Et Al.
Sample size of 411 7th and 10th graders
Purpose of study is to test a model of sexual intentions for adolescent where beliefs, alcohol
use, and past sexual behaviors were predictors of teenage sexual intentions
Results of path analysis
o Negative direct relationship between beliefs and sexual intention
o Alcohol use had a indirect effect on sexual intentions mediated by past sexual
behavior while having a positive direct effect on past sexual behavior
o Relationship indicates that adolescent beliefs not congruent with actions (beliefs are
in opposition to sexual behavior they have participated in)
Understanding teen sexual behaviors requires knowledge of teen’s alcohol use, sexual beliefs
and sexual intentions alcohol use is a strong predictor of sexual behavior
Health belief Model Social Learning Theory links behaviors with knowledge, attitudes,
beliefs, and skills
Social learning theory claims that behavioral changes result from increasing the strength of
the perceived relationships of a behavior and its consequences, in addition how these
consequences are evaluated
Sexual beliefs influence sexual behavior sexual belief can include sexual anxiety, arousal,
exploration and commitment
Males more likely to have intercourse vs. females
Sexually experienced teens had higher intentions to have intercourse than non-sexually
experienced teens (Nahom et al.)
Purpose of this study is to propose a hypothesized model that attempts to connect teen
sexual behaviors with beliefs, intentions and alcohol use
“We hypothesize that sexual belief and alcohol use predict teens’ sexual intentions mediated
by teens’ past sexual behaviors
Participants: 411 7th and 10th graders from urban areas in Alabama 42 % female, 58%
male, 52% African Americans & 48% Caucasians
Instrumentation: 41 item scale to measure beliefs towards sex, alcohol use, behavioral
intention, self report sexual activities and demographic information
Variables: Sexual beliefs, alcohol use, behavioral intention and sexual behaviors were
included in this study
Data Analysis: Chi-Square, Goodness-of-fit
Missing Data: Performed full information maximum likelihood imputation to estimate
missing data
Initial Model: results of the initial path analysis failed to support the proposed model
Two coefficients failed to achieve statistical significance
o Past Sexual Behavior to Values and Beliefs
o Intentions to Alcohol Use
Re-specified Model:
o Eliminated the two paths that failed to achieve statistical significance
Results reveal
o Negative DIRECT relationship between beliefs and sexual intentions
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