Sitting Time and Cardiometabolic Risk Factors in African American Overweight Women

Findings from previous research linking sedentary time with cardiometabolic risk factors and body composition are inconsistent, and few studies address population groups most vulnerable to these compromising conditions. The purpose of this paper was to investigate the relationship of sitting time to cardiometabolic risk factors and body composition among African American women. A subsample of African American women (N = 135) completed health and laboratory assessments, including measures of blood pressure, resting heart rate, cholesterol, triglycerides, glucose, body mass index, body fat, sitting time, and demographics. Simultaneous, adjusted regression models found a positive association between weekend sitting time and glucose and an inverse association between weekly sedentary time and cholesterol (ps < .05). There were no significant associations between sedentary behavior and body composition. The unexpected relationship between sedentary time and cholesterol suggests that the relationship of sedentary behavior to cardiometabolic risk factors may depend on existing characteristics of the population and measurement definition of sedentary behavior. Results suggest distinctly different relationships between weekend and weekday sitting time, implicating a need for careful measurement and intervention that reflects these differences

A Culturally Friendly Web-based Hybrid Intervention to Prevent Obesity: The SALSA Study

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Association of Fat and Alcohol Consumption with Physical Activity Among Obese Women of Color

African American (AA) and Hispanic or Latina (HL) women are highly vulnerable to obesity and related conditions. Although it has been suggested increasing physical activity (PA) may lead to weight loss and consuming high fat foods and alcohol may contribute to weight gain, it is not clear how increased PA may be associated with improved dietary habits (DH). The purpose of this study was to determine whether increased PA was associated with decreased fat and alcohol consumption among AA and HL women participating in Health Is Power (1R01CA109403). Method: One hundred fifty-eight overweight or obese women (102 AA, 56 HL; M age=46.3 years, M BMI=34.8 kg/m2) were measured for BMI and PA (accelerometry). Women were instructed to wear the accelerometer around their waist at hip level and to continue wearing the accelerometer for seven days at all times, except when showering or sleeping. Participants completed interviewer administered questionnaires including the NCI Fat Screener, days drinking in the past 30 days and demographics. Drinks over the last 30 days (M=0.61) was dichotomized into no drinks versus any drinks. Results: Women reported lower rates of physical activity (M=19.9 min/day) and consuming a relatively high fat diet (M=31.6%). 55.1% of the participants reported consuming at least one alcoholic drink per month. PA was significantly correlated with fat consumption (r=.177) but not alcohol consumption, and fat consumption was significantly correlated with alcohol consumption (r=0.168, p\u3c0.05). Simultaneous linear regressions found increased PA was associated with increased fat consumption (R2=0.123, Beta=0.205, p=0.013) after adjusting for ethnicity, age, BMI, education and income. Conclusions: No differences by ethnicity were found, suggesting that women who are more physically active tend to eat more calories from fat, regardless of ethnicity, likely from increased appetite. Low alcohol consumption rates in this sample may explain the lack of relationship between PA and alcohol consumption. Future studies can help elucidate whether feelings of hunger owing to increased PA affect fat consumption

Evaluating “Reach” in the Health Is Power (HIP) Study

Title: EVALUATING “REACH” IN THE HEALTH IS POWER (HIP) STUDY Author(s): Kristin L. Wolfe1, Ygnacio Lopez III, MS1, Scherezade K. Mama, MPH1,2, Ashley V. Medina, BS1, Jacqueline Reese-Smith, PhD1,3, Rebecca E. Lee, PhD1 Affiliations: 1 University of Houston, 2 University of Texas School of Public Health, 3 University of Texas M.D. Anderson Cancer Center Purpose. In the United States, minority women (African American [AA] and Hispanic or Latina [HL]) are most vulnerable to obesity and related health compromising conditions. Health Is Power (HIP; 1R01CA109403) was a randomized controlled community based trial to promote physical activity and vegetable and fruit consumption among AA and HL women. In order to examine the strengths and weaknesses of this intervention, the RE-AIM framework, a system to evaluate studies based on five constructs, was used. The first construct, reach, is an important indicator of the validity of an intervention. It provides information about both the intended and the actual population. The purpose of this study was to examine the reach of HIP using the RE-AIM framework. Method. Women were recruited via posted advertisements in local media and in announcements in bulletins of community partners. Reach was determined using the number of women screened, eligible, and retained. Chi-square analysis was used to determine whether participation rates differed significantly between AA and HL women at screening, baseline (T1), randomization, and post-intervention (T2) time points. Results. In Houston, 691 AA women (M BMI= 35 kg/m2, M age=44.8 years) and 99 HL women (M BMI= 33.8 kg/m2, M age=44.1 years) were screened. Out of the 691 AA women, 257 were eligible to participate, 226 (32.7%) were randomized, and 162 (23.4%) completed T2. Out of the 99 HL women, 50 were eligible, 33 (33.3%) were randomized, and 21 (21.21%) completed T2. In Austin, 176 HL women (M BMI= 34.3 kg/m2, M age=46.7 years) were screened. Of this number, 98 were eligible to participate, 70 (39.8%) were randomized, and 35 (19.89%) completed the post-intervention. Participation rates did not differ significantly between AA and HL women. Conclusion. Approximately one in three women screened were randomized and one in five women completed the intervention. HIP showed moderate levels of reach, with AA and HL women exhibiting similar numbers. Future studies should determine how to increase participation rates among AA and HL women in weight loss interventions, and explore use of other RE-AIM constructs. Keywords: RE-AIM, Obesity, African-American, Hispanic, Latina, women Learning Objectives Please submit two to four learning objects for your presentation. After reviewing this presentation, the viewer will be able to: Objective 1: list reasons for obesity in minority women. Objective 2: define the construct of “reach”. Objective 3: describe the HIP project