This dissertation comprised four prospective studies. In study I, health-related quality of life was evaluated with the Psychological General Well-Being (PGWB) questionnaire and the results compared to those of 110 adult non-coeliac controls at diagnosis and in the follow-up.
The patients were asked to grade their subjective health status and concern about their heath in general. Study II assessed patients' thoughts of coeliac disease, how the diagnosis was established, and treatment with a gluten-free diet. In addition, they indicated their special wishes or needs related to the disease. Initial body mass index (BMI) and the impact of a gluten-free diet on it, in addition to items explaining favourable or poor BMI outcome were assessed in study III. BMI values at diagnosis and on dietary treatment were compared to those of a random sample of the general population during the same periods. Study IV measured use of health care services, consumption of pharmaceutical agents and number of days of sickness absence from work in the years prior to and following the diagnosis to establish the possible effect of dietary treatment on these parameters. The number of consultations with a physician and days of sickness absence were compared to those in a sample of the general population.
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