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This study investigated the hypothesis that dietary compliance among hemodialysis patients is related to their health locus of control orientation, as well as other factors. Fifty chronic hemodialysis patients were studied over a 3-month period. Among women interdialytic weight gain as a percentage of body weight (%BWG) was positively correlated with the number of weekly hemodialysis sessions and negatively related to ease of fluid compliance. Among men %BWG was positively correlated with powerful others health locus of control, family support, and hemodialysis tenure, and negatively correlated with employment. The best fitting multiple regression equation explained 26% of the variance for %BWG using ease of fluid compliance, frequency of urination, and powerful others orientation, with sex effects seen for the latter two variables. Staff perceptions of patient dietary compliance were also highly correlated with %BWG, though they never tabulated fluid gain controlled for body weight.

A descriptive study was done to determine the difference in life satisfaction of elderly females who were overweight as compared to elderly females of ideal weight. The sample consisted of 30 females, aged 60 to 80, who were living in the community. No differences in life satisfaction scores were found between the overweight and ideal weight elderly females. The elderly females who were identified as being overweight had a mean life satisfaction score of 14.8 with a standard deviation of 2.45. Elderly females of ideal weight had a mean life satisfaction score of 15.9 with a standard deviation of 2.12. Major differences in summated results of selected demographic variables were not found for the elderly females who were overweight as compared to the elderly females of ideal weight. Findings from the study and implications for nursing are discussed. Recommendations for further research are included.

The aim of this study was to assess the physical activity, attitudes towards physical education, and health related fitness at two points, one year apart (Phase One and Phase Two). Three hundred and ninety four secondary school pupils of mixed ethnicities from National Curriculum school years 7, 8 and 9 (mean age ± S.D. = 12.9 ± 0.81 years) participated in phase one of the study. Two hundred and sixty seven pupils (from the original 394 participants) from National Curriculum school years 8, 9 and 10 (mean age ± S.D. = 13.7 ± 0.79 years) took part in phase two one year later. Physical activity was measured using the four by one-day physical activity recall questionnaire (Cale, 1993). Attitude was measured using the Pre-Adolescent Attitude towards Physical Education Questionnaire (PAAPEQ) (Shropshire, 1997). Five components of health related fitness were measured in a randomly selected sub-sample (35%) of the overall sample: body composition (measured using skinfold measures and body mass index); cardiovascular endurance (measured using the twenty metre multistage fitness test, Brewer et al., 1988); flexibility (measured using the sit and reach test); muscular strength (measured using hand grip dynamometry); and muscular endurance (measured using situps). Results of repeated measures ANOVA revealed a significant decrease in energy expenditure between phase one and phase two (p<0.01) and young people’s energy expenditure was higher during weekends (especially Saturdays) than during school days (p<0.01). Young Asians were found to expend less energy than white and black pupils (p<0.01) and boys expended more energy than girls (p<0.01). No main effect according to school year was found (p>0.05) although a significant ‘time’ by ‘days’ of the week interaction was revealed; pupils in Year 8 were more active on school days than those in Years 7 and 9 (p<0.05). Non-parametric analyses conducted on time spent in moderate physical activity (MPA) and vigorous physical activity (VPA) indicated that: MPA and VPA decreased between phases one and two; Asians consistently spent less time in MPA than white and black pupils (p<0.01); boys engaged in more MPA and VPA than girls (p<0.01). However, the difference in mean reported time for boys and girls decreased between phases one and two. Percentages of the whole sample meeting optimal activity guidelines and percentages classified as active or moderately active decreased between measurements for the whole sample. With regard to attitudes towards PE, results from MANOVA revealed a significant ‘school year’ x ‘ethnicity’ x ‘gender’ interaction (p<0.05). Attitudes of black males became more positive with age whereas the attitudes of other groups followed an age related decline. Significant main effects were found according to school year (p<0.01) and ethnicity (p<0.05). Attitude towards PE became less favourable with school year. Asian pupils had more positive overall attitudes than white and black pupils but univariate analysis revealed that Asian pupils had a less positive attitude towards their PE teacher (p<0.05). Furthermore, Pearson’s product moment correlations indicated weak yet significant positive relationships between total attitude towards PE and energy expenditure (p<0.01), time spent in moderate activity (p<0.05) and time spent in vigorous activity (p<0.01). Results of repeated measures ANOVA conducted on health related fitness data revealed that, for all groups, body fat (p<0.05) and muscular endurance (p<0.01) increased between phases one and two. In both phases, significant positive relationships were found between muscular endurance and energy expenditure (p<0.01) and vigorous activity (p<0.05 and p<0.01 for phases one and two respectively). Therefore, young people who were more active had greater levels of muscular endurance. No further consistent findings were made. Findings indicate that generally young people’s physical activity decreases with age and that girls are less active than boys although as young people age the physical activity gap between the genderes narrows. Findings also lend support to the idea that cultural differences may influence physical activity levels and attitudes towards PE. Furthermore, associations between physical activity and attitude towards PE exist and therefore, attitude may be used to predict physical activity behaviour. Ethnicity, age, and attitude towards PE should be considered in the development of future interventions to increase young people’s physical activity levels. However, as the current study did not reveal strong associations between physical activity and health related fitness, further research is required in the area.

Thesis (Ph. D.)--Open University. BLDSC no. DX214362.

Thesis (M.A.)--University of North Carolina at Wilmington, 2004. / Includes appendixes. Includes bibliographical references (leaves : [59]-66).

Thesis (M.A.)--University of North Carolina, 2003. / Includes bibliographical references (leaves : 68-76).

Thesis (M.A.)--York University, 1998. Graduate Programme in Social Anthropology. / Typescript. Includes bibliographical references (leaves 139-149). Also available on the Internet. MODE OF ACCESS via web browser by entering the following URL: http://wwwlib.umi.com/cr/yorku/fullcit?pMQ27375.