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- Patterson, Christopher C., et al.
(författare)
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Trends and cyclical variation in the incidence of childhood type 1 diabetes in 26 European centres in the 25year period 1989-2013 : a multicentre prospective registration study
- 2019
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Ingår i: Diabetologia. - : Springer. - 0012-186X .- 1432-0428. ; 62:3, s. 408-417
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Tidskriftsartikel (refereegranskat)abstract
- Aims/hypothesis: Against a background of a near-universally increasing incidence of childhood type 1 diabetes, recent reports from some countries suggest a slowing in this increase. Occasional reports also describe cyclical variations in incidence, with periodicities of between 4 and 6years.Methods: Age/sex-standardised incidence rates for the 0- to 14-year-old age group are reported for 26 European centres (representing 22 countries) that have registered newly diagnosed individuals in geographically defined regions for up to 25years during the period 1989-2013. Poisson regression was used to estimate rates of increase and test for cyclical patterns. Joinpoint regression software was used to fit segmented log-linear relationships to incidence trends.Results: Significant increases in incidence were noted in all but two small centres, with a maximum rate of increase of 6.6% per annum in a Polish centre. Several centres in high-incidence countries showed reducing rates of increase in more recent years. Despite this, a pooled analysis across all centres revealed a 3.4% (95% CI 2.8%, 3.9%) per annum increase in incidence rate, although there was some suggestion of a reduced rate of increase in the 2004-2008 period. Rates of increase were similar in boys and girls in the 0- to 4-year-old age group (3.7% and 3.7% per annum, respectively) and in the 5- to 9-year-old age group (3.4% and 3.7% per annum, respectively), but were higher in boys than girls in the 10- to 14-year-old age group (3.3% and 2.6% per annum, respectively). Significant 4year periodicity was detected in four centres, with three centres showing that the most recent peak in fitted rates occurred in 2012.Conclusions/interpretation: Despite reductions in the rate of increase in some high-risk countries, the pooled estimate across centres continues to show a 3.4% increase per annum in incidence rate, suggesting a doubling in incidence rate within approximately 20years in Europe. Although four centres showed support for a cyclical pattern of incidence with a 4year periodicity, no plausible explanation for this can be given.
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| 2. |
- Prikken, Sofie, et al.
(författare)
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Parental illness intrusiveness and youth glycaemic control in type 1 diabetes: intergenerational associations and processes.
- 2019
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Ingår i: Psychology & health. - : Informa UK Limited. - 1476-8321 .- 0887-0446. ; 34:4, s. 438-455
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Tidskriftsartikel (refereegranskat)abstract
- This study examined associations between the functioning of youth with type 1 diabetes and their parents, including parenting dimensions as intervening mechanisms. The study adds to the existing literature by focusing on (1) the concept of parental illness intrusiveness; (2) the (understudied) periods of adolescence and emerging adulthood; and (3) maternal and paternal functioning.Questionnaires were completed by 317 patient-mother dyads and 277 patient-father dyads. All patients (aged 14-25) had type 1 diabetes. The hypothesised model was compared to an alternative model using structural equation modelling.Youth reported on depressive symptoms and treatment adherence; Physicians provided HbA1c-values. Parents reported on illness intrusiveness, depressive symptoms, and their child's treatment adherence. Patients and parents reported on psychological control and overprotection.The hypothesised path model had a good fit to the data. Parental illness intrusiveness was positively associated with depressive symptoms and both were positively related to overprotection and psychological control. Psychological control was positively related to patients' depressive symptoms and negatively to treatment adherence. Poorer treatment adherence was associated with worse HbA1c-values.These findings underscore the relevance of parental illness intrusiveness and emphasise the importance of mothers' and fathers' roles throughout adolescence and emerging adulthood.
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