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298 result(s) for "Johnson, Carolyn C"
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Associations between depressive symptoms, self-efficacy, eating styles, exercise and body mass index in women
This article explores cross-sectional associations between depressive symptoms and body mass index (BMI) in women working in schools in the Greater New Orleans area. Self-efficacy for eating and exercise, eating styles, and exercise are examined as potential pathways. This is a secondary data analysis of 743 women who were participating in a workplace wellness randomized controlled trial to address environmental factors influencing eating and exercise behaviors using baseline data prior to the intervention. BMI was the primary outcome examined. Path analysis suggested that increased depressive symptoms were associated with increased BMI in women. Indirect effects of depressive symptoms on BMI were found for increased healthy eating self-efficacy, increased emotional eating, and decreased exercise self-efficacy. The association between greater healthy eating self efficacy and BMI was unexpected, and may indicate a suppressor effect of eating self-efficacy in the relationship between depressive symptoms and BMI in women. The findings suggest the importance of depressive symptoms to BMI in women. Targets for interventions to reduce BMI include targeting depressive symptoms and related sequelae including self-efficacy for exercise, and emotional eating. Further investigation of eating self-efficacy and BMI are recommended with particular attention to both efficacy for health eating and avoidance of unhealthy foods.
Safe Play Spaces To Promote Physical Activity in Inner-City Children: Results from a Pilot Study of an Environmental Intervention
Objectives. We evaluated the effect of providing a safe play space on the physical activity level of inner-city schoolchildren. Methods. In 1 of 2 matched neighborhoods, we opened a schoolyard and provided attendants to ensure children’s safety. Over the next 2 years we directly observed the number of children and their physical activity levels in the school-yard, as well as in the surrounding intervention and comparison neighborhoods. We also surveyed children in the schools in the intervention and comparison neighborhoods regarding sedentary activities. Results. After the schoolyard was opened, a mean of 71.4 children used it on weekdays and 25.8 used it on weekends during the school year. When observed, 66% of these children were physically active. The number of children who were outdoors and physically active was 84% higher in the intervention neighborhood than the comparison neighborhood. Survey results showed that children in the intervention school reported declines relative to the children in the comparison school in watching television, watching movies and DVDs, and playing video games on weekdays. Conclusion. When children were provided with a safe play space, we observed a relative increase in their physical activity. Provision of safe play spaces holds promise as a simple replicable intervention.
Formative Research in School and Community-Based Health Programs and Studies: \State of the Art\ and the TAAG Approach
Formative research uses qualitative and quantitative methods to provide information for researchers to plan intervention programs. Gaps in the formative research literature include how to define goals, implementation plans, and research questions; select methods; analyze data; and develop interventions. The National Heart, Lung, and Blood Institute funded the Trial of Activity for Adolescent Girls (TAAG), a randomized, multicenter field trial, to reduce the decline in physical activity in adolescent girls. The goals of the TAAG formative research are to (a) describe study communities and schools, (b) help design the trial's interventions, (c) develop effective recruitment and retention strategies, and (d) design evaluation instruments. To meet these goals, a variety of methods, including telephone interviews, surveys and checklists, semistructured interviews, and focus group discussions, are employed. The purpose, method of development, and analyses are explained for each method.
The Role of Peer Social Network Factors and Physical Activity in Adolescent Girls
Objective: To study the relationship between peer-related physical activity (PA) social networks and the PA of adolescent girls. Methods: Cross-sectional, convenience sample of adolescent girls. Mixed-model linear regression analyses to identify significant correlates of self-reported PA while accounting for correlation of girls in the same school. Results: Younger girls were more active than older girls. Most activity-related peer social network items were related to PA levels. More PA with friends was significantly related to self-reported PA in multivariate analyses. Conclusions: Frequency of PA with friends was an important correlate of PA among the peer network variables for adolescent girls.
Feasibility of Increasing Access to Healthy Foods in Neighborhood Corner Stores
The feasibility of working with neighborhood corner stores to increase the availability of fresh fruit and vegetables in low-income neighborhoods in New Orleans was assessed. Household interviews and 24-hour dietary recalls (n = 97), corner store customer intercept interviews (n = 60) and interviews with corner store operators (owners/managers) (n = 12) were conducted in three neighborhoods without supermarkets. Regional produce wholesalers were contacted by phone. Results indicated that the majority of neighborhood residents use supermarkets or super stores as their primary food source. Those who did shop at corner stores typically purchased prepared foods and/or beverages making up nearly one third of their daily energy intake. Most individuals would be likely to purchase fresh fruit and vegetables from the corner stores if these foods were offered. Store operators identified cost, infrastructure and lack of customer demand as major barriers to stocking more fresh produce. Produce wholesalers did not see much business opportunity in supplying fresh produce to neighborhood corner stores on a small scale. Increasing availability of fresh fruit and vegetables in corner stores may be more feasible with the addition of systems changes that provide incentives and make it easier for neighborhood corner stores to stock and sell fresh produce.
Environmental Influences on Maternal and Child Health
Income inequality and income segregation across communities have increased dramatically in most industrialized countries [10], and these developments have elevated concerns among researchers, policymakers, and the public about the impact of concentrated community poverty on the physical and psychosocial development of future generations of children. Polanska and co-authors found, in a large Polish cohort study, a significant impact of environmental tobacco smoke (ETS) during pregnancy on child neurodevelopment in the first two years of life. Godrch and colleagues examine the role of food insecurity on adequate vegetable consumption among rural Australian children, including the specific types of food insecurity—with promotion, location of food outlets, and price playing significant roles in consumption. Katherine P. Theall 1,2,* and Carolyn C. Johnson 1,3,4 1 Department of Global Community Health and Behavioral Sciences, School of Public Health and Tropical Medicine, Tulane University Health Sciences Center, 1440 Canal St., Mailcode 8319, New Orleans, LA 70112, USA 2 Tulane Mary Amelia Douglas-Whited Community Women’s Health Education Center, 1440 Canal St., Mailcode 8319, New Orleans, LA 70112, USA 3 Tulane Prevention Research Center (PRC), 1440 Canal St., Mailcode 8319, New Orleans, LA 70112, USA 4 Tulane Center of Excellence in Maternal and Child Health (CEMCH), 1440 Canal St., Mailcode 8319, New Orleans, LA 70112, USA * Author to whom correspondence should be addressed.
Individual- and School-Level Factors Related to School-Based Salad Bar Use Among Children and Adolescents
Background. Consumption levels of fruits and vegetables (F/V) among children/adolescents are low. Programs like school-based salad bars (SB) provide children/adolescents increased F/V access. Aims. The purpose of this study was to examine the relationship between SB use and individual and school-level factors among elementary and secondary school students in New Orleans public schools. Method. Twelve schools receiving SB units from the Let’s Move Salad Bars to Schools Campaign participated in this study. Self-reported data were collected from students (n = 1,012), administrators (n = 12), and food service staff (n = 37). School environmental data were obtained through direct observation. Generalized estimating equation regression methods were used to develop a multilevel model including both school-level (e.g., length of lunchtime, SB marketing, vending machines) and individual-level (e.g., sex, food preferences, nutrition knowledge) effects. Results. Female students had higher odds of using the SB compared to males. Students with healthier food preferences had higher odds of using the SB than those who reported less healthy food preferences. Within the multilevel model for all students, only sex and healthy food preferences remained significant. In a multilevel model assessing secondary students only, student encouragement toward others for healthy eating and school-based SB marketing were significantly related to SB use. Conclusions. Little research has examined factors related to school-based SB use. These findings suggest recommendations that may help improve student use of SBs. For example, increasing the promotion of SB, particularly in secondary schools, might encourage their use among students.
Tobacco advertising/promotions and adolescents’ smoking risk in Northern Africa
Background Comprehensive tobacco advertising/promotion bans are effective against adolescent smoking but many developing countries have implemented only partial bans. This study examines the association between advertising/promotions exposure and adolescent cigarette smoking risk in North Africa, and possible mediation of this association by parent and peer smoking. Methods Adolescent data (n=12 329) from the Global Youth Tobacco Survey were analyzed (Libya, 2007; Egypt, 2005; Morocco, 2006; Tunisia 2007; and Sudan, 2005). Current smoking (any cigarette use in the past 30 days) and never-smokers' initiation susceptibility (composite of openness to accepting a cigarette from a friend and intention to start smoking in the next year) outcomes were examined. Advertising/promotion exposures included media and in-person contacts. Weighted univariate, bivariate and multivariable analyses were conducted. Results Current smoking prevalence ranged from 5.6% (Egypt) to 15.3% (Tunisia) among boys, and 1.1% (Libya and Egypt) to 2.0% (Morocco and Sudan) among girls. Initiation susceptibility ranged from 14.1% (Sudan) to 25.0% (Tunisia) among boys, and from 13.3% (Sudan) to 15.0% (Libya) among girls. Ninety-eight percent of adolescents reported exposure to at least one type of advertising/promotion. In multivariable analyses adjusting for demographics, each type of advertising/promotion was significantly and positively associated with boys' current smoking status; most advertising/promotion exposure types were also positively associated with initiation susceptibility among boys and girls. Peer smoking only partially mediated these associations. Conclusions Tobacco advertising/promotion exposure was highly prevalent and associated with adolescents' smoking risk in these countries. The comprehensiveness and enforcement of advertising/promotion bans needs to be enhanced.
Perceptions of School-Based Kitchen Garden Programs in Low-Income, African American Communities
Introduction. While school-based kitchen garden programs are shown to improve fruit and vegetable consumption and knowledge among children, there has been little research on participant perceptions of these programs, specifically among minority populations that are disproportionately affected by and at high risk for overweight and obesity. This qualitative study examined the perceptions of and values associated with participation in school-based kitchen garden programs implemented through Edible Schoolyard New Orleans in low-income, predominantly African American schools in New Orleans, Louisiana. Method. Qualitative data were collected through semistructured focus group discussions with key stakeholder groups at schools offering Edible Schoolyard New Orleans. Results. A total of 10 focus groups were conducted across 4 middle schools with students (n = 27), parents (n = 17), and teachers (n = 17). Four primary themes emerged during data analysis: development of life skills, food and health, family and community, and experiential and participatory learning. Conclusions. To strengthen the sustainability and potential impact of school-based kitchen garden programs, future intervention strategies should place specific emphasis on the themes that emerged from this study. School-based kitchen garden programs may be a promising strategy to positively influence the individual, social, and physical environmental factors that contribute to overweight and obesity in low-income, African American communities.
Lunch Salad Bars in New Orleans’ Middle and High Schools: Student Intake of Fruit and Vegetables
The school lunch salad bar (SB) is a recommended food environmental strategy to increase access to, and consumption of fruit and vegetables (F/V). In a study to examine use of school lunch SBs, middle and high school students provided data via the Automated Self-Administered 24-h dietary recall (24HDR) tool for kids (ASA24-Kids-2012), a web-based data collection platform. Kilocalories were computed, food groups were assigned and F/V sources were obtained. Students (n = 718) from 12 schools with SBs and nine schools without SBs were approximately 87% African American, over 64% female and most were 7th and 8th graders. SB school students had higher median energy consumption at lunch but a higher percent of non-SB students reported eating fruit at lunch compared to SB students. Most students reporting eating F/V at lunch obtained F/V from the cafeteria main line; only 19.6% reported eating F/V exclusively from the SB. In SB schools median intake of cups F/V was higher among students using the SB (0.92) compared to those not using the SB (0.53). Results of this study are mixed, but encouraging. Additional factors, e.g., nutrition education, marketing, and kinds of foods offered on the SB need to be examined for potential influence on SB use.