Brenda DeVellis

Brenda DeVellis
University of North Carolina at Chapel Hill | UNC · Health Behavior

Doctor of Philosophy

About

128
Publications
28,200
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
7,434
Citations
Citations since 2017
1 Research Item
1496 Citations
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
2017201820192020202120222023050100150200250
Introduction
Skills and Expertise

Publications

Publications (128)
Article
Full-text available
Background Empirical research has revealed a positive relationship between type 2 diabetes mellitus and depression, but questions remain regarding timing of depression measurement, types of instruments used to measure depression, and whether “depression” is defined as clinical depression or depressive symptoms. The present study sought to establish...
Article
Objective We used a multidimensional framework to describe the types of information about medication risks that rheumatologists provide to rheumatoid arthritis (RA) patients during routine office visits.Methods We analyzed 1,094 audiotaped rheumatology office visits involving 450 RA patients. Each patient had up to 3 visits audiotaped. In conjuncti...
Article
Objective Fuzzy trace theory was used to develop a coding scheme that captures the gist that patients extract from information about medication risks and benefits and to explore the extent to which different patients extract different gist representations from the same information. Methods Data were collected from 2003-2007 in a study that included...
Article
Full-text available
Background: Physical and psychological symptoms limit physical activity for people with arthritis. This study examined if self-efficacy mediated a relationship between symptom and physical activity (PA) frequency change. Methods: This was a secondary analysis of older adults with arthritis and joint pain in a trial of a lifestyle PA program (n =...
Article
Objective: The authors explored whether demographic and psychosocial variables predicted differences in physical activity for participants with arthritis in a trial of Active Living Every Day (ALED). Method: Participants (N = 280) from 17 community sites were randomized into ALED or usual care. The authors assessed participant demographic charac...
Article
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. The English version of the TSK was examined in a community-based sample (n = 1,136) of individuals with OA of the...
Article
Full-text available
Patients with rare illnesses may use medication information sources that are appreciably different from those used by patients with more common illnesses. This article's purpose is to describe vasculitis patients' most frequently used medication information sources, determine which sources patients perceive as credible, and explore gender differenc...
Article
According to hope theory, hope is defined as goal-directed thinking in which people perceive that they can find routes to desired goals and the motivation to use those routes. The purpose of this study was to explore relationships between hope and body mass index and hope and self-rated health among women completing a community survey conducted in...
Article
Full-text available
Health communication interventions have been effective in promoting fruit and vegetable consumption (FVC). To explore mechanisms underlying health communication effectiveness, the authors investigated whether information processes mediated the relationship between health communication and FVC, using data from NC STRIDES. NC STRIDES tested the effic...
Article
Although mood clarity has been found to negatively correlate with depressive symptoms (Salovey, Mayer, Goldman, Turvey, & Palfai, 1995), little is known about why this relationship exists Using two waves of longitudinal data collected from an older community sample we tested whether mood clarity decreases depressive symptoms by mitigating the negat...
Article
This article explores the effect of conflicting information, defined as contradictory information about medication topics from different sources, on medication adherence in a sample of chronically ill patients. We specifically investigate whether conflicting information and physician support directly affect medication adherence or whether the effec...
Article
A better understanding of identifying tailoring variables would improve message design. Tailoring to a behavior that a participant selects as one they would like to work on may increase message relevance, and thus effectiveness. This trial compared 3 groups: message tailored to physical activity as a participant-selected topic (choice), message tai...
Article
Full-text available
Due to early detection and treatment, survival from colorectal cancer (CRC) diagnosis has been steadily increasing. A CRC diagnosis could be considered a "teachable moment," a time when interventionists might successfully promote dietary changes. CRC interventions with tailored print communication (TPC) and telephone motivational interviewing (TMI)...
Article
Full-text available
Healthful dietary patterns, including eating fruits and vegetables (F&V) and avoiding obesity, may decrease the risk of cancer and other chronic diseases. In addition to promoting health for the general population, a cancer diagnosis may provide a "teachable moment," facilitating the adoption of more healthful eating habits and leading to lower ris...
Article
Full-text available
The purpose of this study was to develop and evaluate the psychometric properties of (a) a glaucoma medication self-efficacy scale and (b) a glaucoma outcome expectations scale. Two instruments were developed: a glaucoma medication self-efficacy scale and a glaucoma outcome expectations scale. Packets containing (a) the instruments and patient demo...
Conference Paper
Background/Purpose: Spouse abuse is recognized as a major public health problem within military families in the U.S, and the stress of war has the potential to increase the risk of violence. This research examines differences between the types and rates of violence perpetrated by male and female soldiers, and the Army's response. Methods: Five year...
Article
Preventive health behavior patterns and practices are influenced by many factors. Knowledge about a person's core values may improve the ability to predict decisions related to behaviors such as healthy eating. In this cross-case comparison study, we illuminate the meanings ascribed to the core value "health" in relationship to fruit and vegetable...
Article
Full-text available
Little is known about racial differences in the use of sleep medications. To compare sleep medication use among African Americans and whites with self-reported current sleep problems. Participants were 1910 individuals (69% female, 34% African American, 66% white) from the Johnston County Osteoarthritis Project. We examined racial differences in se...
Article
Little is known about the association of symptomatic osteoarthritis (OA) with sleep disturbance. We compared the prevalence and severity of current sleep problems among individuals with and without symptomatic hip or knee OA in a large, community-based sample. Participants (N = 2682, 28% with symptomatic hip or knee OA) were from the Johnston Count...
Article
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. Women with RA and their husbands (N=190 couples) recruited from community and clinical settings completed mailed...
Conference Paper
For tailored materials to have an effect, recipients should engage with the materials and perceive them positively. But what factors predict engagement and positive reactions? Among 266 family members of lung cancer patients recruited for a randomized controlled trial testing counseling and tailored self-help intervention materials for smoking cess...
Article
The purpose of this systematic review is to assess the literature pertinent to healthy coping in diabetes management and to identify effective or promising interventions and areas needing further investigation. A PubMed search identified 186 articles in English published between January 1, 1990, and July 31, 2006, addressing diabetes and emotion, q...
Article
To develop a measure of illness self-management for adults living with antineutrophil cytoplasmic antibody (ANCA)-associated small-vessel vasculitis (ANCA-SVV) and to gather evidence of its reliability and validity. Development of the Vasculitis Self-Management Scale (VSMS) was guided by previous research on self-management in other chronically ill...
Article
To present findings from an expert panel-informed literature review on community-based treatment of late-life depression. A systematic literature review was conducted to appraise publications on community-based interventions for depression in older adults. The search was conducted between March and October 2005. An expert panel of mental health, ag...
Article
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 gro...
Article
Although many studies suggest lower rates of depressive symptoms in those who report greater spirituality, few have investigated the mechanisms by which spirituality might relate to depressive symptoms. The current study aimed to elucidate potential psychosocial mechanisms that link these 2 variables. Data were drawn from a community-dwelling strat...
Article
Interpersonal relationships and self-efficacy have each been independently studied in the context of coping with chronic illness. To examine a new type of interpersonal efficacy in couples coping with rheumatoid arthritis (RA), we developed and tested new measures of perceptions of arthritis dyadic efficacy. We assessed both partners' perceptions o...
Article
Latina women are a growing percentage of the working population, and very little is known about their health needs and interests. The purpose of this article is to share qualitative research results gathered from Latina women with a particular focus on exploring stress and health. This project was a substudy of Health Works in the Community, a 5-ye...
Article
The role of spirituality in depression is understudied. We examined the relationship between one dimension of spirituality, spiritual experiences, and depressive symptoms, and evaluated whether differences in gender, race, age, and stress moderated the relationship. The study was conducted with a community-based sample of 630 racially diverse middl...
Article
To examine health behaviors (fruit/vegetable intake and physical activity) and their association with social cognitive theory (SCT) constructs among colorectal cancer (CRC) survivors (n=304) and comparable non-CRC-affected participants (n = 521). Baseline data were analyzed bivariately and modeled with linear regression. Participants were 48% femal...
Article
We examined the role played by perceived behavioral control in predicting participation in colorectal cancer screening among individuals recently informed that they were at high risk for this type of cancer. A telephone interview based primarily on the theory of reasoned action was administered to 96 high-risk individuals and 144 average-risk indiv...
Article
This study examined the types of social comparisons made by individuals with rheumatoid arthritis (RA) and the role these comparisons play in illness adjustment. Seventy-five women with RA were interviewed. The interview included measures of social comparison preferences assessed within two different contexts: the establishment of standards for des...
Article
Nurses were asked to rate patients differing in diagnosis and personality type. Two diagnosis conditions (psychogenic or physiogenic) were compared across two personality conditions: Mr. Cummings, a hypothetical patient presented to nurse/subjects via audiotape, willingly disclosed information about his illness in a nonemotional manner; while Mr. L...
Article
Full-text available
This study sought to test whether a biological measure of chronic stress, Delta cortisol, was related to BMI and whether the relationship between Delta cortisol and BMI varied according to education and positive affect. One hundred fifty-four women from a blue-collar women's health project in 11 industrial sites in rural North Carolina provided sal...
Article
To determine if positive affect is related to the self-reported health and health behaviors of blue-collar women. Analysis of baseline survey data of 1093 women participating in a worksite health promotion intervention at 12 workplaces in 5 rural counties. Positive affect was related to women's self-reported health and exercise. Also, positive copi...
Article
Many medications present special risks when used by older adults (ie, those aged > or = 65 years) and are considered potentially inappropriate for this population. The Beers criteria are often used to identify such medications. Past research has documented that use of Beers drugs is common among older adults. The aim of this work was to examine fac...
Article
Compliance-gaining strategies refer to subtle differences in ways people use language when their goal is to influence someone else's behavior. This stands in contrast to other kinds of persuasion aimed only at influencing others beliefs and attitudes. We have developed a new method of coding what physicians say when they are trying to influence pat...
Article
In the aftermath of Hurricane Floyd in 1999, a Community Advisory Committee requested assistance from its university partners (University of North Carolina) to address stress and increased risk for intimate partner violence (IPV). Collected from 12 study work sites, baseline data indicated that IPV rates were higher among blue-collar women in easte...
Article
Because successful HIV treatment requires exceptional adherence to antiretroviral therapy (ART), interventions to improve ART adherence are essential. We developed and pilot-tested an intervention to improve ART adherence, based on brief motivational interviewing (MI), which has successfully improved selected health behaviors but has not been teste...
Article
Gender differences involving genetic testing have become a topic of research as feminist critiques assert that women may be affected differently, and possibly more significantly, than men by genetic carrier testing information. It is possible that men and women differ in their reactions to learning whether they are or are not a carrier of a specifi...
Article
This study investigated the relationship between breast cancer risk communication delivered by providers and patient knowledge, perceptions, and screening practices. Telephone interviews were conducted with 141 African American (n = 71) and white (n = 70) first-degree relatives of breast cancer patients who received medical services at 2 university...
Article
This study assessed the effects of the Health Works for Women (HWW) intervention on improving multiple behaviors including nutrition and physical activity among rural female blue-collar employees in North Carolina. Nine small to mid-size workplaces were randomly assigned to either intervention or delayed intervention conditions. After a baseline su...
Article
Full-text available
To evaluate the effects of two interventions on calcium intake and exercise and assess whether intervention effects varied as a function of participants' stage of change. The study used a 2 by 2 factorial research design. Baseline, 3-, 6-, and 12-month follow-up data were collected. Twelve counties in western North Carolina. Of 714 women recruited,...
Article
Colorectal carcinoma (CRC) may be the most frequent form of hereditary cancer. Genetic counseling and testing for heritable CRC is a promising approach for reducing the high incidence and mortality rates associated with the disease. Patients with CRC or those with at least one family member with the disease are the most likely persons to request or...
Article
BACKGROUND Colorectal carcinoma (CRC) may be the most frequent form of hereditary cancer. Genetic counseling and testing for heritable CRC is a promising approach for reducing the high incidence and mortality rates associated with the disease. Patients with CRC or those with at least one family member with the disease are the most likely persons to...
Article
Social network interventions that utilize informal systems of helping can be an important strategy for health promotion change. This article describes the development, implementation and evaluation of a natural (lay) helping intervention for health promotion change, specifically designed for women in small rural blue-collar worksites. One hundred a...
Article
Objective: To determine whether there is a relationship between baseline levels of social support and women's health behaviors. Methods: Baseline surveys for 859 women assessed smoking, diet (fat, fruit, and vegetable consumption), physical activity, breast and cervical cancer screening, and levels of social support. Results: Women had substantial...
Article
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 th...
Article
The purpose of this study was to examine risk perceptions and interest in genetic testing among African American and White patients with colorectal cancer. In this cross-sectional study, 98 patients with colorectal cancer participated in a brief structured telephone interview. Information was collected on knowledge and risk perceptions regarding co...
Article
Although African Americans are disproportionately affected by the AIDS epidemic, they are underrepresented in AIDS research, particularly in AIDS clinical trials. This study examines a multidimensional construct of distrust and other factors that may affect willingness to participate in AIDS research. A total of 301 African Americans (aged >/=18 ye...
Article
This study examined the relationship between health risks, health behaviors, stages-of-change, and behavior change priorities among blue-collar women participating in a worksite health promotion study. Cross-sectional. Rural manufacturing worksites in North Carolina. Participants were 859 women aged 18 and over. The self-administered questionnaire...
Article
Purpose: The present study examined colorectal cancer screening behaviors, risk perceptions, and willingness to receive genetic testing to determine colorectal cancer susceptibility. Methods: We recruited 95 first-degree relatives of colorectal cancer patients, then conducted a brief telephone interview using a structured questionnaire that elic...
Article
This study examined the effects of brief written educational materials on osteoporosis-related knowledge, beliefs, and behaviors. The study also examined whether observed effects varied as a function of one's stage in the precaution adoption process. The study used an experimental research design. Participants were identified from North Carolina dr...
Article
Based on theoretical and empirical evidence from social comparison theory and premature birth, we examined whether mothers of premature infants differ from mothers of full-term infants in use of social comparisons or psychological adjustment. The sample consisted of 42 mothers of premature infants and 42 mothers of full-term infants. The groups dif...
Article
Objective: To understand health concerns, barriers, and facilitators for change in women in blue-collar worksites. Methods: Focus groups were conducted with 121 women in four small-to medium-sized workplaces in rural North Carolina. Results: Concerns centered on wellness (exercise, healthy eating, weight loss, smoking cessation). Women saw the impo...
Article
To determine the relationship of mood management skills, and affective and cognitive states to changes in moods following mood induction among people with osteoarthritis. After completing questionnaires, participants underwent a negative mood induction. Momentary moods were assessed prior to, immediately following, and several minutes after the moo...
Article
Objective. To determine the relationship of mood management skills, and affective and cognitive states to changes in moods following mood induction among people with osteoarthritis. Methods. After completing questionnaires, participants underwent a negative mood induction. Momentary moods were assessed prior to, immediately following, and several m...
Article
The purpose of this study was to examine the effect that self-evaluation processes have on psychologic well-being among individuals with rheumatoid arthritis (RA). The study used a longitudinal research design with 4 data collection points. Participants were 227 adults with recently diagnosed RA. Data were collected via mailed questionnaire and tel...
Article
Objective.The purpose of this study was to examine the effect that self-evaluation processes have on psychologic well-being among individuals with rheumatoid arthritis (RA). Methods.The study used a longitudinal research design with 4 data collection points. Participants were 227 adults with recently diagnosed RA. Data were collected via mailed que...
Article
We report on the psychosocial and knowledge outcomes of two different approaches to cystic fibrosis (CF) gene pretest education and carrier testing offered to 288 proactively recruited first-, second-, and third-degree relatives of people with CF. One group received pretest education and gene testing in a clinical setting from a certified genetic c...
Article
We contacted and offered free cystic fibrosis (CF) carrier education and testing to the first, second, and third degree relatives of individuals with CF followed at a large Southeastern US CF Clinic. Relatives were offered CF carrier education and testing either in their homes or in a genetic counseling clinic. Overall, of 514 relatives offered fre...
Article
To assess, using both qualitative/inductive and quantitative data, whether people with rheumatoid arthritis (RA) have schemas related to arthritis. Themes identified from interview and focus group transcripts were used to develop 1) questionnaire items, and 2) statements participants were asked to recall during home interviews. Two hundred one peop...
Article
PIP Increasing recognition of the prevalence of date/acquaintance rape (DAR) in the US, especially among college women, has led to an understanding that the techniques needed to fend off attacks from friends and acquaintances differ from those used to prevent rape by strangers. This study developed and tested the reliability and validity of the fol...
Article
Objective. To assess, using both qualitative/inductive and quantitative data, whether people with rheumatoid arthritis (RA) have schemas related to arthritis. Methods. Themes identified from interview and focus group transcripts were used to develop 1) questionnaire items, and 2) statements participants were asked to recall during home interviews....
Article
Based on the Federal Controlled Substances Act of 1970, Schedule II (C-II) pain medications have a high potential for abuse. By identifying areas of prevalent prescribing, this research lays a foundation for future studies to examine issues such as underuse, overuse, and abuse associated with these medications.We identified variables in the 1990 Na...
Article
To identify, contact, and offer free cystic fibrosis (CF) carrier education, testing, and genetic counseling to the first, second, and third degree relatives of individuals with CF, study personnel contacted probands or the parents of minor probands requesting assistance in identifying relatives. We requested family pedigrees, including names, addr...
Article
Full-text available
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 va...
Article
Attempts to estimate the prevalence of depression in people with arthritis are complicated by conceptual, definitional, and measurement problems and inconsistencies. Following a description of these methodologic problems, recent studies of depressive disorders and depressive symptoms in clinical and community samples are reviewed. The review sugges...
Article
Attempts to estimate the prevalence of depression in people with arthritis are complicated by conceptual, definitional, and measurement problems and inconsistencies. Following a description of these methodologic problems, recent studies of depressive disorders and depressive symptoms in clinical and community samples are reviewed. The review sugges...
Article
Full-text available
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 ne...
Article
Full-text available
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 ne...
Article
Full-text available
This article discusses the beneficial effects of setting goals in health behavior change and maintenance interventions. Goal setting theory predicts that, under certain conditions, setting specific difficult goals leads to higher performance when compared with no goals or vague, nonquantitative goals, such as "do your best." In contrast to the grad...
Article
Full-text available
We examined the strategies that people with osteoarthritis (OA) use to cope with illness-related problems in four areas: household activities, leisure activities, pain management, and social relationships. We also examined the relationship between the coping strategies participants reported using upon entry to the study (Time 1) and psychological w...
Article
Consensus exists that genetic counseling and CF carrier testing should be offered to individuals with a positive family history of CF. To learn more about their experience with genetic counseling and testing we conducted a series of structured telephone interviews and focus group discussions with individuals and couples who had undergone genetic co...
Article
Full-text available
To achieve the Healthy People 2000 objectives, public health professionals must develop effective dietary interventions that address psychosocial and behavioral components of change. This study tested the effect of individually computer-tailored messages designed to decrease fat intake and increase fruit and vegetable intake. Adult patients from fo...
Article
Purpose: We examined whether or not there are systematic differences in how people appraise different types of illness-related problems and in how they cope with these problems. Methods: Two hundred thirty-five adults with recently diagnosed rheumatoid arthritis completed a mailed questionnaire followed by a telephone interview. A series of stre...
Article
This developmental study aimed to produce a measure of attitude toward pulmonary disease prevention that yields reliable data from health professionals and students. Systematic scale development procedures, reliability analyses on three samples of 2,852 medical students, and factor analysis were used to develop and refine the attitude scale. Intern...
Article
Full-text available
We describe the development and validation of the Parent Health Locus of Control (PHLOC) scales. Using factor analytic and item analytic methods, 30 items comprising six scales were extracted from a pool of 84 items. The individual scales correspond to beliefs in Child, Divine, Fate, Media, Parental, and Professional Influence over child health. Re...