William Rakowski

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This integrative study investigated the generalization of the transtheoretical model across 12 problem behaviors. The cross-sectional comparisons involved relationships between two key constructs of the model, the stages of change and decisional balance. The behaviors studied were smoking cessation, quitting cocaine, weight control, high-fat diets,(More)
PURPOSE To investigate the patterns and predictors of tamoxifen discontinuance throughout a 2-year period in a cohort of women 65 years or older with newly diagnosed, estrogen receptor (ER)-positive breast cancer, focusing on the role of patients' beliefs about the risks and benefits of tamoxifen therapy. SUBJECTS AND METHODS We enrolled a convenience(More)
Concepts from the health belief, transtheoretical, and dual process models were used to examine how siblings of individuals diagnosed with colorectal cancer (CRC) before age 56 made decisions about CRC screening. Siblings (N = 504) were assessed for CRC screening practices and intentions, pros, cons, processes-of-change, perceived risk of CRC, perceived(More)
BACKGROUND Audience segmentation strategies are of increasing interest to public health professionals who wish to identify easily defined, mutually exclusive population subgroups whose members share similar characteristics that help determine participation in a health-related behavior as a basis for targeted interventions. Classification and regression tree(More)
BACKGROUND Treating multiple health behavior risks on a population basis is one of the most promising approaches to enhancing health and reducing health care costs. Previous research demonstrated the efficacy of expert system interventions for three behaviors in a population of parents. The interventions provide individualized feedback that guides(More)
Motivational and cognitive processes of behavior change with respect to the area of exercise adoption were investigated. A total of 778 men and women, recruited from four worksites, answered a 40-item questionnaire consisting of statements based on constructs from the trans-theoretical model of behavior change. Principal-components analysis identified two(More)
Increasing information flow often leads to widening gaps in knowledge between different socioeconomic status (SES) groups as higher SES groups are more likely to acquire this new information at a faster rate than lower SES groups. These gaps in knowledge may offer a partial but robust explanation for differential risk behaviors and health disparities(More)
PURPOSE We examined the health-related quality of life (QOL) of a cohort of older women with breast cancer after their diagnosis. PATIENTS AND METHODS Six hundred ninety-one women aged 65 years and older were interviewed approximately 3 months after breast cancer surgery and two additional times in the following year using standardized QOL measures.(More)
OBJECTIVES This paper describes 6-year rates and correlates of functional change in the elderly, as well as associated hospital use. METHODS The Longitudinal Study on Aging (n = 7527) and matched Medicare claims were used to calculate 6-year functional status transition rates and hospital use rates. A hierarchical measure that incorporated activities of(More)
PURPOSE We examined patterns of adjuvant tamoxifen discussion and prescription among breast cancer patients age 65 years and older. METHODS We selected from women diagnosed with primary breast cancer those with (1) stage I (tumor diameter > or = 1 cm), stage II, or stage IIIa disease; (2) age 65 years or older on the date of diagnosis; and (3) permission(More)