Danielle Symons Downs

Bio: Danielle Symons Downs is an academic researcher from Pennsylvania State University. The author has contributed to research in topics: Pregnancy & Overweight. The author has an hindex of 36, co-authored 121 publications receiving 4982 citations. Previous affiliations of Danielle Symons Downs include Penn State Milton S. Hershey Medical Center & University of Florida.

How Much is Too Much? The Development and Validation of the Exercise Dependence Scale

Abstract: This paper presents five studies with 2,420 total participants on the development and validation of the Exercise Dependence Scale (EDS), which is conceptualized based on the Diagnostic and Statistical Manual-IV (APA, 1994) criteria for substance dependence, and differentiates among at-risk, nondependent-symptomatic, and nondependent-asymptomatic exercisers. Results of the studies revealed evidence for the a priori hypothesized components, acceptable test-retest and internal consistency reliability, and content and concurrent validity of the EDS. Individuals at-risk for exercise dependence reported more strenuous exercise, perfectionism, and self-efficacy compared to the nondependent groups. The findings provide initial support for the EDS and indicate the need for a multifaceted approach to its conceptualization and measurement.

The Theories of Reasoned Action and Planned Behavior Applied to Exercise:A Meta-analytic Update

Abstract: Background: Statistical reviews of the theories of reasoned action (TRA) and planned behavior (TPB) applied to exercise are limited by methodological issues including insufficient sample size and data to examine some moderator associations. Methods: We conducted a meta-analytic review of 111 TRA/TPB and exercise studies and examined the influences of five moderator variables. Results: We found that: a) exercise was most strongly associated with intention and perceived behavioral control; b) intention was most strongly associated with attitude; and c) intention predicted exercise behavior, and attitude and perceived behavioral control predicted intention. Also, the time interval between intention to behavior; scale correspondence; subject age; operationalization of subjective norm, intention, and perceived behavioral control; and publication status moderated the size of the effect. Conclusions: The TRA/TPB effectively explained exercise intention and behavior and moderators of this relationship. Researcher...

Factorial validity and psychometric examination of the Exercise Dependence Scale-Revised.

Abstract: The research purposes were to examine the factorial and convergent validity, internal consistency, and test-retest reliability of the Exercise Dependence Scale (EDS) Two separate studies, containing a total of 1,263 college students, were undertaken to accomplish these purposes Participants completed the EDS and measures of exercise behavior and perfectionism Confirmatory factor analysis in Study 1 reduced the scale from 28 to 21 items (ie, 3 items per subscale) and it supported a correlated seven-factor model in Study 2 (Tucker-Lewis Index = 96, comparative fit index = 97, root mean square error of approximation = 05, average absolute standardized residual = 02) Adequate internal consistency and test-rest reliability for the scale was evidenced Consistent with the hypotheses and the EDS classifications for exercise dependence symptoms, individuals at risk for exercise dependence reported more exercise behavior and perfectionistic tendencies, compared to the nondependent-symptomatic and nondepe

Elicitation Studies and the Theory of Planned Behavior: A Systematic Review of Exercise Beliefs. (Psychology)

Abstract: Abstract Background : Elicitation studies are recommended when using the theory of planned behavior (TPB) to establish the cognitive foundation of a population’s salient exercise beliefs. The TPB is frequently used to explain exercise intention and behavior, and its predictive utility is well-established. Limited research, however, has examined people’s salient behavioral, normative, and control beliefs for exercise—and the relative contribution of these beliefs for explaining attitude, subjective norm, and perceived behavioral control. Thus, to extend the explanatory utility of the TPB, a review of exercise elicitation studies is warranted. Purpose : To review TPB and exercise studies that conducted an elicitation study. Methods : A comprehensive literature search yielded 47 TPB studies that had conducted an elicitation study, spanning 22 yr (range: 1975–2002; 59.6% from the 1990s). Results and conclusions : We found that: (a) the most salient behavioral, normative, and control beliefs were that exercise improves physical/psychological health, family members have the strongest normative influence on exercise, and physical limitations obstruct exercise, respectively; (b) the effect size for behavioral beliefs-attitude, normative beliefs-subjective norm, and control beliefs-perceived behavioral control were large; (c) the beliefs explained between 34% and 56% of the variance in attitude, subjective norm, and perceived behavioral control; and (d) insufficient information was reported for the elicitation studies’ methods. The study findings illustrate the importance of conducting elicitation studies as a mechanism for understanding exercise behavior. Future researchers are encouraged to conduct elicitation studies, and to report more detailed information regarding their methods to aid in replication and interpretation.

Using Multivariate Statistics

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Standards of Medical Care in Diabetes

Abstract: XI. STRATEGIES FOR IMPROVING DIABETES CARE D iabetes is a chronic illness that requires continuing medical care and patient self-management education to prevent acute complications and to reduce the risk of long-term complications. Diabetes care is complex and requires that many issues, beyond glycemic control, be addressed. A large body of evidence exists that supports a range of interventions to improve diabetes outcomes. These standards of care are intended to provide clinicians, patients, researchers, payors, and other interested individuals with the components of diabetes care, treatment goals, and tools to evaluate the quality of care. While individual preferences, comorbidities, and other patient factors may require modification of goals, targets that are desirable for most patients with diabetes are provided. These standards are not intended to preclude more extensive evaluation and management of the patient by other specialists as needed. For more detailed information, refer to Bode (Ed.): Medical Management of Type 1 Diabetes (1), Burant (Ed): Medical Management of Type 2 Diabetes (2), and Klingensmith (Ed): Intensive Diabetes Management (3). The recommendations included are diagnostic and therapeutic actions that are known or believed to favorably affect health outcomes of patients with diabetes. A grading system (Table 1), developed by the American Diabetes Association (ADA) and modeled after existing methods, was utilized to clarify and codify the evidence that forms the basis for the recommendations. The level of evidence that supports each recommendation is listed after each recommendation using the letters A, B, C, or E.

What is Narrative Analysis

Abstract: Recording of presentation introducing narrative analysis, outlining what it is, why it can be a useful approach, how to do it and where to find out more. Presentation given at methods@manchester seminar at University of Manchester on 4 March 2010.

Weight Gain During Pregnancy: Reexamining the Guidelines

Abstract: Sponsors asked the IOM's Food and Nutrition Board and the Division of Behavioral and Social Sciences and Education Board on Children, Youth, and Families to review and update the IOM (1990) recommendations for weight gain during pregnancy and recommend ways to encourage their adoption through consumer education, strategies to assist practitioners, and public health strategies.The committee was asked to address the following tasks: 1. Review evidence on the relationship between weight gain patterns before, during, and after pregnancy and maternal and child health outcomes, with particular attention to the prevalence of maternal obesity racial/ethnic and age differences, components of GWG, and implications of weight during pregnancy on postpartum weight retention, maternal and child obesity, and later child health. 2. Within a life-stage framework consider factors in relation to GWG that are associated with maternal health outcomes such as lactation performance, postpartum weight retention, cardiovascular disease, metabolic processes including glucose and insulin-related issues, and risk of other chronic diseases; for infants and children, in addition to low birth weight, consider early developmental impacts and obesity-related consequences (e.g., mental health, diabetes). 3. Recommend revisions to the existing guidelines, where necessary, including the need for specific pregnancy weight guidelines for underweight, normal weight, and overweight and obese women and adolescents and women carrying twins or higher-order multiples. 4. Consider a range of approaches to promote appropriate weight gain, including: individual (behavior), psychosocial, community, health care, and health systems; timing and components of interventions; and ways to enhance awareness and adoption of the guidelines, including interdisciplinary approaches, consumer education to men and women, strategies to assist practitioners to use the guidelines, and public health strategies. 5. Identify gaps in knowledge and recommend research priorities.