This thesis investigates how people make judgements of their sleep quality and the temporal association between sleep and physical activity in people with and without chronic pain. In doing so, the thesis used a multi-methodological approach comprising qualitative (Chapter 3), experimental (Chapter 4) and daily process studies (Chapters 5 and 6). The qualitative study presented in Chapter 3 explored how people with and without chronic pain define their sleep quality and to what extent judgments of sleep quality differ with the presence of pain (n= 17). The experimental study presented in Chapter 4 quantitatively examined the relative importance of 17 parameters of sleep quality in good and poor sleepers (n= 100). This study conceptualised sleep quality as a decision-making process and used a choice-based conjoint analysis to identify parameters that shape people's judgement of sleep quality. Then the thesis shifts its focus to the relationship between sleep and physical acti.....

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The aim of the present cross-sectional study is to investigate the relationship between illness  representations, coping and quality of life among  patients undergoing haemodialysis in Malaysian  NGO-based  haemodialysis centres. The theoretical framework of the study was Leventhal's Common  Sense Model of Self-regulation of Health and Illness (1984). The Illness representations, coping  and quality of life were assessed by the Revised Illness Perception Questionnaire (IPQ-R), Brief  COPE and Short Form 12-ltem Health Survey Questionnaire v2 (SF-l 2v2) respectively. One hundred and  four patients undergoing haemodialysis (79 males and 25 females) participated in the study based on  purposive and convenience sampling. The analyses supported Hypothesis One but failed to support  Hypothesis Two. The results indicate that perceived consequences (r = -0.365, p < 0.0 I), illness coherence (r = 0.203, p ..

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