| 1. |
- Lindqvist, Roland
(författare)
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Public health burden due to infections by verocytotoxin-producing Escherichia coli (VTEC) and Campylobacter spp. as estimated by cost of illness and different approaches to model disability-adjusted life years
- 2012
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Ingår i: Scandinavian Journal of Public Health. - : SAGE Publications. - 1403-4948 .- 1651-1905. ; 40, s. 294-302
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Tidskriftsartikel (refereegranskat)abstract
- Aims: To estimate disability-adjusted life years (DALY) and cost of illness (COI) associated with the gastrointestinal bacterial pathogens Campylobacter and verocytotoxin-producing Escherichia coli (VTEC) in Sweden and to investigate the impact of variability in health outcomes, data availability, and different assumptions about underreporting on DALY. Methods: Data from the Swedish notification system, public databases, and the literature were used to estimate COI and DALY. DALY was modelled using a deterministic and a stochastic approach, the latter describing variation in health outcomes between individuals. Effects of different assumptions about underreporting of gastroenteritis were evaluated in separate scenarios. Results: COI and DALY were greater for Campylobacter than for VTEC. Years of life lost due to haemolytic uraemic syndrome and years lived with gastroenteritis constituted most of DALY for VTEC and Campylobacter, respectively. Productivity losses due to gastroenteritis constituted the main cost associated with both pathogens. Degree of underreporting had a greater impact on DALY for Campylobacter, due to higher estimated incidence of gastroenteritis associated with campylobacteriosis. Conclusions: Pathogen-specific health outcomes and data quality may influence the preferred modelling approach. There was a fair agreement between modelling approaches, but the stochastic model reflected the contribution of some rare health outcomes not captured in the deterministic model. Health outcomes excluded due to lack of data lead to an underestimation of the total burden associated with the pathogens. Increased knowledge, especially on the degree of underreporting and the contribution of the pathogens to sequelae, is needed to further improve public health burden estimates for these pathogens in Sweden.
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| 2. |
- van den Bosch, Matilda, et al.
(författare)
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Nature-assisted therapy: Systematic review of controlled and observational studies
- 2011
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Ingår i: Scandinavian Journal of Public Health. - : SAGE Publications. - 1403-4948 .- 1651-1905. ; 39, s. 371-388
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Forskningsöversikt (refereegranskat)abstract
- Background: Nature's potentially positive effect on human health may serve as an important public health intervention. While several scientific studies have been performed on the subject, no systematic review of existing evidence has until date been established. Methods: This article is a systematic evaluation of available scientific evidence for nature-assisted therapy (NAT). With the design of a systematic review relevant data sources were scrutinised to retrieve studies meeting predefined inclusion criteria. The methodological quality of studies and abstracted data were assessed for intervention studies on NAT for a defined disease. The final inclusion of a study was decided by the authors together. Results: The included studies were heterogeneous for participant characteristics, intervention type, and methodological quality. Three meta-analyses, six studies of high evidence grade (four reporting significant improvement), and 29 studies of low to moderate evidence grade (26 reporting health improvements) were included. For the studies with high evidence grade, the results were generally positive, though somewhat ambiguous. Among the studies of moderate to low evidence grade, health improvements were reported in 26 cases out of 29. Conclusions: This review gives at hand that a rather small but reliable evidence base supports the effectiveness and appropriateness of NAT as a relevant resource for public health. Significant improvements were found for varied outcomes in diverse diagnoses, spanning from obesity to schizophrenia. Recommendations for specific areas of future research of the subject are provided.
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