No abstract

Three studies compared the predictive validity of three proximal antecedents to risk behavior: behavioral intention (BI), behavioral expectation (BE), and behavioral willingness (BW). In Study 1, BW was the only significant predictor of change in substance use in early adolescence (age 13), whereas only BI was significant in middle adolescence (age 16). In Study 2, BW was a better predictor of change in smoking among young adolescents than was BE, but BE became predominant by middle adolescence. By late adolescence, previous behavior surpassed both BE and BW. When only smoking initiation was examined, BW was a better predictor than was BE. In Study 3, BI, BW, and BE independently predicted class skipping. However, BI was a better predictor for students more experienced with the behavior, whereas BW was superior for less experienced students. The findings provide evidence of a developmental shift from more reactive to more reasoned processing, as experience with the behavior increases.

The authors reviewed the acculturation literature with the goal of identifying measures used to assess acculturation in Hispanic populations in the context of studies of health knowledge, attitudes, and behavior change. Twenty-six acculturation measures were identified and summarized. As the Hispanic population continues to grow in the United States, there is a need to develop rigorous acculturation measures that include health indicators. Findings suggest that multidimensional acculturation scales are robust measurement tools when assessing nationality, cultural awareness, media and language preferences, and health status. Furthermore, aspects of Hispanic cultural lifestyle, such as beliefs about nutrition and physical activity, affect health care utilization, treatment, and prevention. Health communication researchers should consider aspects of cultural values and beliefs, and their impact on health status, for future research and health promotion interventions.

Hypotheses concerning the extent to which adolescents' cognitions mediate the relation between parenting behaviors and adolescent substance use were examined in a panel of African American adolescents (N = 714, M age at Time 1 = 10.51 years) and their primary caregivers. A nested-model approach indicated that effective parenting (i.e., monitoring of the child's activities, communication about substances, and parental warmth) was related to adolescent substance use more than 5 years later. The parenting behaviors protected the adolescent from subsequent alcohol, tobacco, and marijuana use through associations with two cognitive elements from the prototype/willingness model: favorable risk images (prototypes) and behavioral willingness. Additional analyses indicated that these protective effects were strongest among families residing in high-risk neighborhoods.

This study tested several relationships predicted by the Health Action Process Approach (HAPA) in a sample of 175 generally healthy, inactive, middle-aged women (40–65 yrs old) over a 12 week period. Participants’ physical activity, risk perceptions, outcome expectancies, action self-efficacy, and intentions were measured at baseline. Planning and maintenance self-efficacy were measured four weeks later. Physical activity behaviour was measured twelve weeks after baseline. The HAPA relationships were examined using a structural equation model. The data fit the model well and revealed several significant relationships. Action self-efficacy was the best predictor of intention. Maintenance self-efficacy was the best predictor of planning and behaviour. Contrary to the tenets of HAPA and to past research, planning did not predict behaviour. Overall, HAPA provides a useful framework for identifying determinants of physical activity intentions and behaviour within a group of inactive, middle-aged women.