Thèse--Droit--Lausanne, 1976. / Bibliogr. p. 125-131.

Theses (Ed.S.)--Marshall University, 2005. / Title from document title page. Includes abstract. Document formatted into pages: contains 25 p. Bibliography: p. 24-25.

abstract: Obesity in Hispanic youth has reached alarmingly high levels, increasing the risk of type 2 diabetes, hyperlipidemia, hypertension, and cardiovascular disease. In Mexican American children ages 6-11 years, 41.7% are overweight and obese, 24.7% are obese and 19.6% have a Body Mass Index (BMI) greater than the 97th percentile. While personal, behavioral, and environmental factors contribute to these high rates, emerging literature suggests acculturation, self-efficacy and social support are key influences. The one-group, pre- and post-test, quasi-experimental design used a community-based participatory research (CBPR) method to test the feasibility, acceptability, and preliminary efficacy of the 8-week intervention. Social Cognitive Theory (SCT) was used to guide the design. Measurements included an analysis of recruitment, retention, participant satisfaction, observation of intervention sessions, paired t-tests, effect sizes, and bivariate correlations between study variables (acculturation, nutrition and physical activity [PA] knowledge, attitude and behaviors, perceived confidence and social support) and outcome variables (BMI z-score, waist circumference and BP percentile) Findings showed the SSLN program was feasible and acceptable. Participants (n = 16) reported that the curriculum was fun and they learned about nutrition and PA. The retention rate was 94%. The preliminary effects on adolescent nutrition and PA behaviors showed mixed results with small-to-medium effect sizes for nutrition knowledge and attitude, PA and sedentary behavior. Correlation analysis among acculturation and study variables was not significant. Positive associations were found between perceived confidence in eating and nutrition attitude (r = .61, p < .05) and nutrition behavior (r = .62, p < .05), perceived confidence in exercise and nutrition behavior (r = .66, p < .05), social support from family for exercise and PA behavior (r = .67, p < .01) and social support from friends for exercise and PA behavior (r = .56, p < .05). These findings suggest a culturally specific healthy eating and activity program for adolescents was feasible and acceptable and warrants further investigation, since it may fill a gap in existing obesity programs designed for Hispanic youth. The positive correlations suggest further testing of the theoretical model. / Dissertation/Thesis / Ph.D. Nursing and Healthcare Innovation 2011

Thesis (M.S.)--Boston University

Thesis (M.S.)--Boston University

Recreational screen time activities (e.g., computer use, television viewing, and videogame engagement) have become increasingly embedded in modern day culture, posing both physical and psychological health consequences (Babic et al., 2017; Goldfield et al., 2013). Despite the established link between recreational screen time and adolescent depressive symptomatology, little is known about mechanisms that may explain or influence this relationship. The overarching objective of the present dissertation, which includes two separate studies, was to examine cognitive, behavioural, affective, and interpersonal factors associated with the relationship between adolescents’ total daily recreational screen time activities and depressive symptomatology over time. The dissertation includes archival data from the Research on Eating and Adolescent Lifestyle (REAL) Study, which examined a large sample of students from the National Capital Region of Canada. Both Study 1 and Study 2 examined a subsample of these students. Given that exposure to screen time occupies up to 10 hours of Canadian children and adolescents’ waking hours (Active Healthy Kids Canada, 2013; Leatherdale & Ahmed, 2011; Leatherdale & Harvey, 2015), the independent variable examined in the model was total daily recreational screen time activities. Because trajectories of depressive symptomatology typically increase during adolescence (Duchesne & Ratelle, 2014), the dependent variable examined in the model was depressive symptomatology. The time points spanned over 7 years. The purpose of Study 1 was to test a prospective longitudinal path analysis model. The model examined the relationship between total daily recreational screen time at baseline (T0) and depressive symptomatology at Time 4 (T4), with body image and disordered eating behaviours at Time 2 (T2) as potential mediating variables. The final sample included 304 English-speaking students (194 females, Mage = 13.40 years, SD = 1.10). Total daily recreational screen time at T0 was significantly predictive of depressive symptomatology at T4. Appearance (dis)satisfaction at T2 mediated the relationship between total daily recreational screen time at T0 and depressive symptomatology at T4. Total daily recreational screen time at T0 was significantly predictive of emotional eating and decreased body image satisfaction at T2. Restrained eating and appearance satisfaction were negatively associated with depressive symptomatology at T4. Results were independent of age and depressive symptomatology at T0. The purpose of Study 2 was to test a longitudinal moderation model including total daily recreational screen time at T0 and depressive symptomatology at T4, with attachment style, coping style, and perceived social support at T0 as potential moderating variables. The final sample included 170 English-speaking students (106 females; Mage = 13.01, SD = 0.96). Contrary to expectation, attachment style, coping style, and perceived social support did not moderate the relationship between total daily recreational screen time at T0 and depressive symptomatology at T4. However, insecure attachment was identified as a risk factor for depressive symptomatology among males. A trend emerged in that avoidance-oriented coping appeared to be a risk factor for depressive symptomatology among females and a protective factor for males. There was also a three-way interaction between total daily recreational screen time, gender, and perceived social support. That is, when perceived social support was high, higher levels of total daily recreational screen time at T0 was associated with higher levels of depressive symptomatology at T4 for both males and females, but the relationship was significant for males only. Findings from the present dissertation offer important theoretical, methodological, and clinical implications.

This thesis seeks to identify the psychosocial factors that influence adolescent smoking and to make suggestions for a smoking prevention/intervention programme. It is of particular interest to explore adolescent smoking in the Greek setting, where both teachers and pupils smoke on the school premises and smoking is socially acceptable. The participants are 672 pupils who attend six Greek schools - 351 aged 12-13 years old (mean age=12.6 years) and 321 aged 15-16 years old (mean age=15.8 years). Self-report, anonymous and confidential questionnaires are completed at the beginning and at the end of the academic year (7 months apart). The participants are grouped into four categories according to their smoking behaviour and 150 of them are randomly selected and interviewed. The interviews are semi-structured and employed to validate the self-reports and to provide more in-depth information on certain issues. Information on the situation in Greek schools is collected from 120 teachers who are interviewed at the beginning of the academic year. There is a significant increase in the smoking prevalence of both age groups at phase two. The patterns of the changes in smoking support the theory of stages. Psychosocial factors, such as school, teachers, parents, siblings and friends exert different levels of influence on the adolescents, who are not merely passive recipients. Personality factors are equally important determinants of the adolescents' decision to experiment with cigarettes and take up the habit of smoking or not. Adolescents foster many misconceptions about cigarettes, which may differ according to their gender. Their knowledge tends to mirror a reproduction of statements they do not fully understand. Intention to smoke in the future seems to be a fairly accurate predictor of taking up smoking eventually. Suggestions for smoking prevention/intervention programmes and a model of layers of influence on adolescent smoking are discussed.

Objective: To determine the association between body image dissatisfaction (BID) and depressive symptoms in adolescents from a school in Lima, Peru. Methods: A cross-sectional study was performed through a census of 875 high-school students, aged 13 to 17 years, from a school in Lima. Participants completed a survey containing the Body Shape Questionnaire (BSQ) and the Patient Health Questionnaire-9 (PHQ-9). Data regarding demographics, alcohol and tobacco use, self-esteem, and family history of depression were also obtained. To identify associated factors, Poisson regression with robust variance was used. Prevalence ratios with 95% confidence intervals were calculated. Results: Of the 875 adolescents, 55.8% were male. The mean age was 14.161.5 years. Depressive symptoms were observed in 19.9% of participants. An association between BID and depressive symptoms was found. Alcohol and tobacco use were also associated with the outcome of interest. Conclusions: Teens who had BID were 3.7 times more likely to report depressive symptoms. Additionally, those who used tobacco or alcohol were 1.5 and 1.4 times more likely to have depressive symptoms, respectively. Further studies targeting other populations and using longitudinal designs are recommended.

The capacity of psychotherapeutic metaphors to play a facilitating role in the process of psychotherapy with adolescents is the research question under investigation in this study. To determine whether this process-facilitating capacity exists, the researcher will describe various case studies to illustrate this occurrence. To this end and because of the lack of research in this area, the aim of this study is to determine the facilitating role of metaphor in psychotherapy with adolescents. To achieve this, the basic concepts of cybernetic epistemology are explored, as well as the psychotherapeutic use of metaphors. These theoretical constructs are then applied to the therapeutic case studies where the facilitating role of metaphors are described, thus satisfYing the initial aim of this study. It is important to remember that the aim of this study is not to provide guidelines for therapeutic interventions, nor is it to propose a new psychotherapeutic technique. Rather, the aim of this study is to describe the facilitating role played by metaphors in psychotherapy. / Dissertation (MA)--University of Pretoria, 2017. / Centre for Scientific Development / Psychology / MA / Unrestricted

Objective: Students from 5 public schools in east Tennessee in grades 6 through 10 were assessed for their risk of eating disorder. Method: The Eating Attitudes Test (EAT40), a self-administered questionnaire, was given anonymously to 1,302 male and female adolescents. Results: The results showed that 19.8% of females and 3.7% of males scored above 29, indicating high risk for development of an eating disorder. There was also a trend toward increased prevalence of risk in areas that are more rural. Conclusions: These findings suggest that the risk for eating disorders may be greater in rural areas than has previously been believed. This has implications for understanding the etiology of these diseases as well as demonstrating the need for more research in these often underserved areas.