Publications by authors named "Annika Bardel"

Objective: To study age and sex specific prevalence of 30 symptoms in random samples from the general population and to analyze possible secular trends across time.

Study Population: The study was based on data from eight on-going Swedish cohort studies, with baseline investigations performed between 1973 and 2003. Samples were drawn from the general population of the cities of Gothenburg and Eskilstuna, and of Uppsala County.

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Background: Determinants of vitamin D status measured as 25-OH-vitamin D in blood are exposure to sunlight and intake of vitamin D through food and supplements. It is unclear how large the contributions are from these determinants in Swedish primary care patients, considering the low radiation of UVB in Sweden and the fortification of some foods. Asian and African immigrants in Norway and Denmark have been found to have very low levels, but it is not clear whether the same applies to Swedish patients.

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Background: Simple global self-ratings of health (SRH) have become increasingly used in national and international public health monitoring, and in recent decades recommended as a standard part of health surveys. Monitoring developments in population health requires identification and use of health measures, valid in relation to targets for population health. The aim of the present study was to investigate associations between SRH and sick leave, disability pension, hospital admissions, and mortality, adjusted for effects of significant covariates, in a large population-based cohort.

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Objectives: Global self-rated health (SRH) has become extensively used as an outcome measure in population health surveillance. The aim of this study was to analyse the effects of age and secular trend (year of investigation) on SRH.

Design: Prospective cohort study, using population-based data from eight ongoing cohort studies, with sampling performed between 1973 and 2003.

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Background: Symptom prevalence is generally believed to increase with age. The aim of this study was to evaluate the age specific prevalence of 30 general symptoms among Swedish middle-aged women.

Methods: A cross-sectional postal questionnaire study in seven Swedish counties in a random sample of 4,200 women 35-64 years old, with 2,991 responders.

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Objective: To investigate adherence to prescription in a female population aged 35-65 years.

Design: Postal questionnaire study of 2991 randomly sampled 35- to 64-year-old women in seven provinces of central Sweden.

Methods: The study was performed in 1995 as a cross-sectional postal questionnaire study in seven counties in central Sweden.

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Objective: To measure the prevalence rate of hormone replacement therapy (HRT) in the general population and to see whether HRT users report less symptoms, better general health and less use of other palliative than non-users and previous users.

Methods: The study was performed in 1995 as a cross-sectional postal questionnaire study in seven counties in mid-Sweden. The questionnaire was sent to a random sample of 4200 35-64-year-old women of whom 2991 responded.

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