Public Health Commons^™

How Many Steps/Day Are Enough? For Children And Adolescents, Catrine Tudor-Locke, Cora L. Craig, Michael W. Beets, Sarahjane Belton, Greet M. Cardon, Scott Duncan, Yoshiro Hatano, David R. Lubans, Timothy S. Olds, Anders Raustorp, David A. Rowe, John C. Spence, Shigeho Tanaka, Steven N. Blair

Faculty Publications

Worldwide, public health physical activity guidelines include special emphasis on populations of children (typically 6-11 years) and adolescents (typically 12-19 years). Existing guidelines are commonly expressed in terms of frequency, time, and intensity of behaviour. However, the simple step output from both accelerometers and pedometers is gaining increased credibility in research and practice as a reasonable approximation of daily ambulatory physical activity volume. Therefore, the purpose of this article is to review existing child and adolescent objectively monitored step-defined physical activity literature to provide researchers, practitioners, and lay people who use accelerometers and pedometers with evidence-based translations of these public …

How Many Steps/Day Are Enough? For Adults, Catrine Tudor-Locke, Cora L. Craig, Wendy J. Brown, Stacy A. Clemes, Katrien Decocker, Billie Giles-Corti, Yoshiro Hatano, Shigeru Inoue, Sandra M. Matsudo, Nanette Mutrie, Jean-Michel Oppert, David A. Rowe, Michael D. Schmidt, Grant M. Schofield, John C. Spence, Pedro J. Teixeira, Mark A. Tully, Steven N. Blair

Faculty Publications

Physical activity guidelines from around the world are typically expressed in terms of frequency, duration, and intensity parameters. Objective monitoring using pedometers and accelerometers offers a new opportunity to measure and communicate physical activity in terms of steps/day. Various step-based versions and translations of physical activity guidelines are emerging, reflecting public interest in such guidance. However, there appears to be a wide discrepancy in the exact values that are being communicated. It makes sense that step-based recommendations should be harmonious with existing evidence-based public health guidelines that recognized that "some physical activity is better than none" while maintaining a focus …

How Many Steps/Day Are Enough? For Older Adults And Special Populations, Catrine Tudor-Locke, Cora L. Craig, Yukitoshi Aoyagi, Rhonda C. Bell, Karen A. Croteau, Ilse De Bourdeaudhuij, Ben Ewald, Andrew W. Gardner, Yoshiro Hatano, Lesley D. Lutes, Sandra M. Matsudo, Farah A. Ramirez-Marrero, Laura Q. Rogers, Davod A. Rowe, Michael D. Schmidt, Mark A. Tully, Steven N. Blair

Faculty Publications

Older adults and special populations (living with disability and/or chronic illness that may limit mobility and/or physical endurance) can benefit from practicing a more physically active lifestyle, typically by increasing ambulatory activity. Step counting devices (accelerometers and pedometers) offer an opportunity to monitor daily ambulatory activity; however, an appropriate translation of public health guidelines in terms of steps/day is unknown. Therefore this review was conducted to translate public health recommendations in terms of steps/day. Normative data indicates that 1) healthy older adults average 2,000-9,000 steps/day, and 2) special populations average 1,200-8,800 steps/day. Pedometer-based interventions in older adults and special populations …

Adherence To Accelerometer Protocols Among Women From Economically Disadvantaged Neighborhoods, Patricia A. Sharpe, Sarah Wilcox, Laura J. Rooney, Donna Strong, Rosie Hopkins-Campbell, Jean Butel, Barbara E. Ainsworth, Deborah Parra-Medina

Faculty Publications

Background: Objective measurement of physical activity with accelerometers is a challenging task in community-based intervention research. Challenges include distribution of and orientation to monitors, nonwear, incorrect placement, and loss of equipment. Data collection among participants from disadvantaged populations may be further hindered by factors such as transportation challenges, competing responsibilities, and cultural considerations. Methods: Research staff distributed accelerometers and provided an orientation that was tailored to the population group. General adherence strategies such as follow-up calls, daily diaries, verbal and written instructions, and incentives were accompanied by population-specific strategies such as assisting with transportation, reducing obstacles to wearing the accelerometer, …

Results Of The "Active By Choice Today" (Act) Randomized Trial For Increasing Physical Activity In Low-Income And Minority Adolescents, Dawn K. Wilson, M. Lee Van Horn, Heather Kitzman-Ulrich, Ruth P. Saunders, Russell R. Pate, Hannah G. Lawman, Brent Hutto, Sarah Griffin, Nicole Zarrett, Cheryl L. Addy, Leslie Mansard, Gary Mixon, Porschia V. Brown

Faculty Publications

Objective - This study reports the results of the "Active by Choice Today" (ACT) trial for increasing moderate-to-vigorous physical activity (MVPA) in low-income and minority adolescents.

Design - The ACT program was a randomized controlled school-based trial testing the efficacy of a motivational plus behavioral skills intervention on increasing MVPA in underserved adolescents. Twenty-four middle schools were matched on school size, percentage minorities, percentage free or reduced lunch, and urban or rural setting before randomization. A total of 1,563 6th grade students (mean age, 11.3 years, 73% African American, 71% free or reduced lunch, 55% female) participated in either a …

Serum Igf-1 Concentrations Change With Soy And Seaweed Supplements In Healthy Postmenopausal American Women, Jane Teas, Mohammad R. Irhimeh, Susan Druker, Thomas G. Hurley, James R. Hébert, Todd M. Savarese, Mindy S. Kurzer

Faculty Publications

Insulin-like growth factor 1 (IGF-1) is an anabolic hormone important for growth and development. However, high-circulating serum concentrations in adults are associated with increased risk of postmenopausal breast cancer. Nutritional status and specific foods influence serum IGF-1 concentrations. Breast cancer incidence is typically low in Asian countries where soy is commonly consumed. Paradoxically, soy supplement trials in American women have reported significant increases in IGF-1. Seaweed also is consumed regularly in Asian countries where breast cancer risk is low. We investigated the possibility that seaweed could modify soy-associated increases in IGF-1 in American women. Thirty healthy postmenopausal women (mean age …

Media Attention On African Americans With Human Immunodeficiency Virus, Charles S. Beverley Jr., Edith M. Williams, Saundra H. Glover

Faculty Publications

Human immunodeficiency virus (HIV) is a disease that has captured the attention of the media in various ways and to varying degrees. One of the ongoing debates and areas of research in HIV that provide many opportunities for discovery is the disproportionate number of African Americans infected with HIV compared to the amount of attention they receive in the media. This manuscript addresses the question that has preoccupied the minds of many people: Why have African Americans infected with HIV received so little media attention? Analysis of this question suggests that there are many reasons for this lack of media …

Caloric Restriction, Aerobic Exercise Training And Soluble Lectin-Like Oxidized Ldl Receptor-1 Levels In Overweight And Obese Post-Menopausal Women, Tina E. Brinkley, Xuewen Wang, Noriaki Kume, Hirokazu Mitsuoka, Barbara J. Nicklas

Faculty Publications

Background—Elevated circulating levels of soluble lectin-like oxidized low-density lipoprotein receptor-1 (sLOX-1) have been observed in obese persons and are reduced by weight loss. However, it is not known if combining caloric restriction (CR) with exercise training is better in reducing sLOX-1 levels than CR alone.

Objective—We examined whether the addition of aerobic exercise to a weight loss intervention differentially affects sLOX-1 levels in 61 abdominally obese postmenopausal women randomly assigned to a CR only (n=22), CR + moderate-intensity exercise (n=22), or CR + vigorous intensity exercise (n=17) intervention for 20 weeks. The caloric deficit was ~2,800 kcal/week for …

Control Of Reflexive Saccades Following Hemispherectomy, Patricia A. Reuter-Lorenz, Troy M. Herter, Daniel Guitton

Faculty Publications

Individuals who have undergone hemispherectomy for treatment of intractable epilepsy offer a rare and valuable opportunity to examine the ability of a single cortical hemisphere to control oculomotor performance. We used peripheral auditory events to trigger saccades, thereby circumventing dense postsurgical hemianopia. In an antisaccade task, patients generated numerous unintended short-latency saccades toward contralesional auditory events, indicating pronounced limitations in the ability of a single hemicortex to exert normal inhibitory control over ipsilateral (i.e., contralesional) reflexive saccade generation. Despite reflexive errors, patients retained an ability to generate correct antisaccades in both directions. The prosaccade task revealed numerous contralesional express saccades, …

Hub City Steps: Methods And Early Findings From A Community-Based Participatory Research Trial To Reduce Blood Pressure Among African Americans, Jamie M. Zoellner, Carol L. Connell, Michael B. Madson, Bo Wang, Vickie Blakely Reed, Elaine F. Molaison, M. Kathleen Yadrick

Faculty Publications

Background: Community-based participatory research (CBPR) has been recognized as an important approach to develop and execute health interventions among marginalized populations, and a key strategy to translate research into practice to help reduce health disparities. Despite growing interest in the CBPR approach, CBPR initiatives rarely use experimental or other rigorous research designs to evaluate health outcomes. This behavioral study describes the conceptual frameworks, methods, and early findings related to the reach, adoption, implementation, and effectiveness on primary blood pressure outcomes.

Methods: The CBPR, social support, and motivational interviewing frameworks are applied to test treatment effects of a two-phased CBPR walking …

Cardiometabolic Results From An Armband-Based Weight Loss Trial, John C. Sieverdes, Xuemei Sui, Gregory A. Hand, Vaughn W. Barry, Sarah Wilcox, Rebecca A. Meriwether, James W. Hardin, Amanda C. Mcclain, Steven N. Blair

Faculty Publications

Purpose: This report examines the blood chemistry and blood pressure (BP) results from the Lifestyle Education for Activity and Nutrition (LEAN) study, a randomized weight loss trial. A primary purpose of the study was to evaluate the effects of real-time self-monitoring of energy balance (using the SenseWear^TM Armband, BodyMedia, Inc Pittsburgh, PA) on these health factors.

Methods: 164 sedentary overweight or obese adults (46.8 ± 10.8 years; BMI 33.3 ± 5.2 kg/m²; 80% women) took part in the 9-month study. Participants were randomized into 4 conditions: a standard care condition with an evidence-based weight loss manual (n …

Electronic Feedback In A Diet- And Physical Activity-Based Intervention For Weight Loss: A Randomized Controlled Trial, Sara L. Shuger, Vaughn W. Barry, Xuemei Sui, Amanda C. Mcclain, Gregory A. Hand, Sarah Wilcox, Rebecca A. Meriwether, James W. Hardin, Steven N. Blair

Faculty Publications

Background: The SenseWear^TM Armband (SWA) (BodyMedia, Inc. Pittsburgh, PA) is a physical activity and lifestyle monitor that objectively and accurately measures free-living energy balance and sleep and includes software for self-monitoring of daily energy expenditure and energy intake. The real-time feedback of the SWA can improve individual self-monitoring and, therefore, enhance weight loss outcomes.

Methods: We recruited 197 sedentary overweight or obese adults (age, 46.8 ± 10.8 y; body mass index (BMI), 33.3 ± 5.2 kg/m²; 81% women, 32% African-American) from the greater Columbia, South Carolina area. Participants were randomized into 1 of 4 groups, a self-directed …

Bmi Trajectories During The Transition To Older Adulthood: Persistent, Widening, Or Diminishing Disparities By Ethnicity And Education?, Katrina M. Walsemann, Jennifer A. Ailshire

Faculty Publications

Previous research has produced inconsistent results on whether education and ethnic disparities in BMI persist, widen, or diminish over time. We investigate how education and ethnicity, independently and conditionally, influence BMI trajectories during the transition to older adulthood. Employing random coefficient modeling, we analyzed 8 biennial waves of data (1992-2006) from the Health and Retirement Study, a nationally representative longitudinal study of individuals born between 1931 and 1941. After adjusting for health behaviors and health status, education and ethnic disparities in BMI persisted for most groups, but narrowed between high-educated white men and both low-educated Hispanic men and high-educated black …

Physical Activity And Sedentary Activity Patterns Among Children And Adolescents: A Latent Class Analysis Approach, Carrie D. Patnode, Leslie A. Lytle, Darin J. Erickson, John R. Sirard, Daheia J. Barr-Anderson, Mary Story

Faculty Publications

Background: While much is known about the overall levels of physical activity and sedentary activity among youth, few studies have attempted to define clusters of such behaviors. The purpose of this study was to identify and describe unique classes of youth based on their perception in a variety of physical activity and sedentary behaviors. Methods: Latent class analysis was used to characterize segments of youth based on patterns of self-reported and accelerometer-measured participation in 12 behaviors. Children and adolescents (N =720) from 6th-11th grade were included in the analysis. Differences in class membership were examined using multinomial logistic …

Trends Over 5 Decades In U.S. Occupation-Related Physical Activity And Their Associations With Obesity, Timothy S. Church, Diana M. Thomas, Catrine Tudor-Locke, Peter T. Katzmarzyk, Conrad P. Earnest, Ruben Q. Rodarte, Corby K. Martin, Steven N. Blair, Claude Bouchard

Faculty Publications

Background: The true causes of the obesity epidemic are not well understood and there are few longitudinal population-based data published examining this issue. The objective of this analysis was to examine trends in occupational physical activity during the past 5 decades and explore how these trends relate to concurrent changes in body weight in the U.S.

Methodology/Principle Findings: Analysis of energy expenditure for occupations in U.S. private industry since 1960 using data from the U.S. Bureau of Labor Statistics. Mean body weight was derived from the U.S. National Health and Nutrition Examination Surveys (NHANES). In the early 1960's almost half …

Discrimination, Perceived Social Inequity, And Mental Health Among Rural-To-Urban Migrants In China, Danhua Li, Xiaoming Li, Bo Wang, Yan Hong, Xiaoyi Fang, Xiong Qin, Bonita Stanton

Faculty Publications

Status-based discrimination and inequity have been associated with the process of migration, especially with economics-driven internal migration. However, their association with mental health among economy-driven internal migrants in developing countries is rarely assessed. This study examines discriminatory experiences and perceived social inequity in relation to mental health status among rural-to-urban migrants in China. Cross-sectional data were collected from 1,006 rural-to-urban migrants in 2004-2005 in Beijing, China. Participants reported their perceptions and experiences of being discriminated in daily life in urban destination and perceived social inequity. Mental health was measured using the symptom checklist-90 (SCL-90). Multivariate analyses using general linear model …

Do Physical Activity Facilities Near Schools Affect Physical Activity In High School Girls?, Jennifer L. Trilk, Dianne S. Ward, Marsha Dowda, Karin A. Pfeiffer, Dwayne E. Porter, James Hibbert, Russell R. Pate

Faculty Publications

Objective - To investigate associations between the number of physical activity facilities within walking distance of school and physical activity behavior in 12^th grade girls during after-school hours.

Methods - Girls (N=1394) from 22 schools completed a self-report to determine physical activity after 3:00 pm. The number of physical activity facilities within a 0.75-mile buffer of the school was counted with a Geographic Information System. Associations between the number of facilities and girls' physical activity were examined using linear mixed-model analysis of variance.

Results - Overall, girls who attended schools with ≥ 5 facilities within the buffer reported more …

Behavioral Contexts, Food-Choice Coping Strategies, And Dietary Quality Of A Multiethnic Sample Of Employed Parents, Christine E. Blake, Elaine Wethington, Tracy J. Farrell, Carole A. Bisogni, Carol M. Devine

Faculty Publications

Employed parents' work and family conditions provide behavioral contexts for their food choices. Relationships between employed parents' food-choice coping strategies, behavioral contexts, and dietary quality were evaluated. Data on work and family conditions, sociodemographic characteristics, eating behavior, and dietary intake from two 24-hour dietary recalls were collected in a random sample cross-sectional pilot telephone survey in the fall of 2006. Black, white, and Latino employed mothers (n=25) and fathers (n=25) were recruited from a low/moderate income urban area in upstate New York. Hierarchical cluster analysis (Ward's method) identified three clusters of parents differing in use of food-choice coping strategies (ie, …

Circadian Rhythm Of Cortisol And Neighborhood Characteristics In A Population-Based Sample: The Multi-Ethnic Study Of Atherosclerosis, D. Phuong Do, Ana V. Diez Roux, Anjum Hajat, Amy Auchincloss, Sharon Merkin, Nalini Ranjit, Steven Shea, Teresa Seeman

Faculty Publications

Although stress is often hypothesized to contribute to the effects of neighborhoods on health, very few studies have investigated associations of neighborhood characteristics with stress biomarkers. This study helps address the gap in the literature by examining whether neighborhood characteristics are associated with cortisol profiles. Analyses were based on data from the Multi-Ethnic Study of Atherosclerosis Stress study which collected multiple measures of salivary cortisol over three days on a population based sample of approximately 800 adults. Multilevel models with splines were used to examine associations of cortisol with neighborhood poverty, violence, disorder, and social cohesion. Neighborhood violence was significantly …

Validation Of The Actical Activity Monitor In Middle-Aged And Older Adults, Steven P. Hooker, Anna Feeney, Brent E. Hutto, Karin A. Pfeiffer, Kerry Mciver, Daniel P. Heil, John E. Vena, Michael J. Lamonte, Steven N. Blair

Faculty Publications

Purpose: This study was designed to validate the Actical activity monitor in middle-aged and older adults of varying body composition to develop accelerometer thresholds to distinguish between light and moderate intensity physical activity (PA).

Methods: Nonobese 45 to 64 yr (N = 29), obese 45 to 64 yr (N = 21), and ≥65 yr (N = 23; varying body composition) participants completed laboratory-based sitting, household, and locomotive activities while wearing an Actical monitor and a portable metabolic measurement system. Non-linear regression analysis was used to identify activity count (AC) cut-points to differentiate between light intensity (<3 METs) and moderate intensity (≥3 METs) PA.

Results: Using group-specific algorithms, …

A Geographic Information Assessment Of Exposure To A Toxic Waste Site And Development Of Systemic Lupus Erythematosus (Sle): Findings From The Buffalo Lupus Project, Edith M. Williams, Robert Watkins, Judith Anderson, Laurene Tumiel-Berhalter

Faculty Publications

The Buffalo Lupus Project was a community-based participatory research partnership formed to address the relationship between an identified hazardous waste site and high rates of lupus and other autoimmune diseases in the surrounding community. Most cases identified began experiencing symptoms and were diagnosed in the periods when the site was inactive. Trends suggest that the impact of the site was more likely due to chronic exposure to waste rather than it being an acute trigger.

Consumption Of Single Cigarettes And Quitting Behavior: A Longitudinal Analysis Of Mexican Smokers, James F. Thrasher, Victor Villalobos, Joaquin Barnoya, Raul Sansores, Richard J. O'Connor

Faculty Publications

Background: Previous cross-sectional research has suggested single cigarettes could either promote or inhibit consumption. The present study aimed to assess the effects of single cigarette availability and consumption on downstream quit behavior.

Methods: We analyzed population-based, longitudinal data from adult smokers who participated in the 2008 and 2010 administrations of the International Tobacco Control Policy Evaluation Survey in Mexico.

Results: At baseline, 30% of smokers saw single cigarettes for sale on a daily basis, 17% bought singles at their last purchase, and 7% bought singles daily. Smokers who most frequently purchased singles, both in general and specifically to control their …

Consumption Of Single Cigarettes And Quitting Behavior: A Longitudinal Analysis Of Mexican Smokers, Jim Thrasher, Victor Villalobos, Joaquin Barnoya, Raul Sansores, Richard O’Connor

Faculty Publications

Background: Previous cross-sectional research has suggested single cigarettes could either promote or inhibit consumption. The present study aimed to assess the effects of single cigarette availability and consumption on downstream quit behavior.

Methods: We analyzed population-based, longitudinal data from adult smokers who participated in the 2008 and 2010 administrations of the International Tobacco Control Policy Evaluation Survey in Mexico.

Results: At baseline, 30% of smokers saw single cigarettes for sale on a daily basis, 17% bought singles at their last purchase, and 7% bought singles daily. Smokers who most frequently purchased singles, both in general and specifically to control their …

Consumption Of Single Cigarettes And Quitting Behavior: A Longitudinal Analysis Of Mexican Smokers, Jim Thrasher, Victor Villalobos, Joaquin Barnoya, Raul Sansores, Richard O'Connor

Faculty Publications

Background: Previous cross-sectional research has suggested single cigarettes could either promote or inhibit consumption. The present study aimed to assess the effects of single cigarette availability and consumption on downstream quit behavior.

Methods: We analyzed population-based, longitudinal data from adult smokers who participated in the 2008 and 2010 administrations of the International Tobacco Control Policy Evaluation Survey in Mexico.

Results: At baseline, 30% of smokers saw single cigarettes for sale on a daily basis, 17% bought singles at their last purchase, and 7% bought singles daily. Smokers who most frequently purchased singles, both in general and specifically to control their …

Using A Technology-Based Intervention To Promote Weight Loss In Sedentary Overweight Or Obese Adults: A Randomized Controlled Trial Study Design, Vaughn W. Barry, Amanda C. Mcclain, Sara L. Shuger, Xuemei Sui, James W. Hardin, Gregory A. Hand, Sarah Wilcox, Steven N. Blair

Faculty Publications

Purpose: The SenseWear^TM Armband is an activity monitor developed to improve lifestyle self-monitoring. Currently, few studies assess electronic self-monitoring and weight loss with a lifestyle intervention program. To our knowledge, only one study has used the SenseWear Armband in combination with a lifestyle intervention to improve weight loss, and no studies have evaluated whether a self-monitoring intervention based solely on the armband can promote weight loss. Consequently, the aims of the study were to assess weight loss from electronic self-monitoring, to compare these values to the lifestyle intervention and standard care groups, and to compare weight loss with lifestyle …

Examining The Role Of Churches In Adolescent Girls' Physical Activity, Karin A. Pfeiffer, Natalie Colabianchi, Marsha Dowda, Dwayne E. Porter, James Hibbert, Russell R. Pate

Faculty Publications

Background: In adults, associations between church attendance and positive health behaviors exist; however, similar evidence among children and youth is lacking. The purposes of this investigation were to examine the associations between physical activity (PA) and church attendance, PA and use of church as a PA facility, and PA and proximity to churches among those who use church as a PA facility (while addressing racial and geographic differences). Methods: High school girls (N=915, age=17.7 ± 0.6 years, 56% African American) completed the 3-Day Physical Activity Recall and surveys including demographics and use of PA facilities. Geographic Information Systems data were …

Education And Levels Of Salivary Cortisol Over The Day In Us Adults, Jennifer B. Dowd, Nalini Ranjit, D. Phuong Do, Elizabeth A. Young, James S. House, George A. Kaplan

Faculty Publications

Background - Dysregulation of the hypothalamic-pituitary-adrenal (HPA) axis is hypothesized to be an important pathway linking socioeconomic position and chronic disease.

Purpose - This paper tests the association between education and the diurnal rhythm of salivary control.

Methods - Up to 8 measures of cortisol (mean of 5.38 per respondent) over two days were obtained from 311 respondents aged 18-70, drawn from 2001-2002 Chicago Community Adult Health Study. Multi-level models with linear splines were used to estimate waking level, rates of cortisol decline, and area-under-the-curve over the day, by categories of education.

Results - Lower education (0-11 years) was associated …

Cardiorespiratory Fitness And Risk Of Prostate Cancer: Findings From The Aerobics Center Longitudinal Study, Wonwoo Byun, Xuemei Sui, James R. Hébert, Timothy S. Church, I-Min Lee, Charles E. Matthews, Steven N. Blair

Faculty Publications

Objective - To examine the association between cardiorespiratory (CRF) and risk of incident prostate cancer (PrCA).

Methods - Participants were 19,042 male subjects in the Aerobics Center Longitudinal Study (ACLS), ages 20 to 82 years, who received a baseline medical examination including a maximal treadmill exercise test between 1976 and 2003. CRF levels were defined as low (lowest 20%), moderate (middle 40%), and high (upper 40%) according to age-specific distribution of treadmill duration from the overall ACLS population. PrCA was assessed from responses to mail-back health surveys during 1982 to 2004. Cox proportional hazards regression models, adjusted for potential confounders, …

Who Tests, Who Doesn't, And Why? Uptake Of Mobile Hiv Counseling And Testing In The Kilimanjaro Region Of Tanzania, Jan Ostermann, Elizabeth A. Reddy, Meghan M. Shorter, Charles Muiruri, Antipas Mtalo, Dafrosa K. Itemba, Bernard Njau, John A. Bartlett, John A. Crump, Nathan M. Thielman

Faculty Publications

Background: Optimally, expanded HIV testing programs should reduce barriers to testing while attracting new and highrisk testers. We assessed barriers to testing and HIV risk among clients participating in mobile voluntary counseling and testing (MVCT) campaigns in four rural villages in the Kilimanjaro Region of Tanzania.

Methods: Between December 2007 and April 2008, 878 MVCT participants and 506 randomly selected community residents who did not access MVCT were surveyed. Gender-specific logistic regression models were used to describe differences in socioeconomic characteristics, HIV exposure risk, testing histories, HIV related stigma, and attitudes toward testing between MVCT participants and community residents who …

Changes In Cvd Risk Factors In The Activity Counseling Trial, Meghan Baruth, Sarah Wilcox, James F. Sallis, Abby C. King, Bess H. Marcus, Steven N. Blair

Faculty Publications

Primary care facilities may be a natural setting for delivering interventions that focus on behaviors that improve cardiovascular disease (CVD) risk factors. The purpose of this study was to examine the 24-month effects of the Activity Counseling Trial (ACT) on CVD risk factors, to examine whether changes in CVD risk factors differed according to baseline risk factor status, and to examine whether changes in fitness were associated with changes in CVD risk factors. ACT was a 24-month multicenter randomized controlled trial to increase physical activity. Participants were 874 inactive men and women aged 35-74 years. Participants were randomly assigned to …