Brenda M DeVellis

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The precaution adoption process model was used to examine the predictors of 2 behaviors recommended to reduce the risk of developing osteoporosis: calcium consumption and weight-bearing exercise. A total of 452 premenopausal women completed a mailed questionnaire assessing stage in the precaution adoption process and 12 knowledge and attitudinal variables.(More)
Researchers and clinicians have suggested that learning one is a carrier for a genetic disorder has the potential to alter self-concept. Concerns about self-concept have influenced the development of policies regarding the availability of carrier testing for minors and the informed-consent process. A literature review identified three mechanisms through(More)
Compared individuals at high versus average risk for colorectal cancer (CRC) with respect to factors they cited as affecting their risk of developing CRC. We also examined the relationship of these risk-factor perceptions to perceived susceptibility and participation in a CRC screening test. All individuals in the high-risk group were informed that, as a(More)
The utility of measuring both positive and negative affective states for assessing rheumatoid arthritis (RA) patients was examined in 3 independent samples of male and female RA patients (Sample A: 179 women, 48 men; Sample B: 177 women, 24 men; Sample C: 134 women, 38 men). Confirmatory factor analyses of each sample indicated that positive and negative(More)
This experimental study investigated the efficacy of two modeling procedures on enhancing patient communication. A pretreatment interview assessed knowledge, assertiveness, and other concomitant variables. A total of 150 subjects were randomly assigned to one of three treatment conditions. The two modeling conditions were videotaped presentations of a(More)
Adjustment in children with juvenile rheumatoid arthritis (JRA) has been evaluated most frequently by parental or teacher reports and with reference to disease severity. In this study, 38 children, ages 7 to 13 with JRA, and their mothers were interviewed. Modest correlations were found between children and mothers in their assessments of children's(More)
OBJECTIVE To characterize similarities and differences in illness perceptions between women with rheumatoid arthritis (RA) and their husbands, and examine whether illness perception congruence predicted wives' subsequent psychological adjustment. DESIGN Women with RA and their husbands (N=190 couples) recruited from community and clinical settings(More)
OBJECTIVE Fear of movement has important clinical implications for individuals with osteoarthritis (OA). This study aimed to establish a brief fear of movement scale for use in OA. Items from the Tampa Scale for Kinesiophobia (TSK) were examined. METHODS The English version of the TSK was examined in a community-based sample (n = 1,136) of individuals(More)
According to hopelessness theory, hopelessness expectancy is the proximal, sufficient cause of hopelessness depression. Consequently, hopelessness expectancy is viewed as mediating the influence of all other factors on hopelessness depression. Using a longitudinal research design, we examined hopelessness expectancy as a mediator of the relation between(More)
OBJECTIVES Psychiatric morbidity among the physically ill is an important issue, particularly in the light of research documenting the difficulties in accurately diagnosing and effectively treating psychiatric disorders in this group. The objectives of this study were: (1) To compare psychiatric morbidity in 11 physical conditions and a healthy comparison(More)