Changes in behaviors after diagnosis of type 2 diabetes and 10-year incidence of cardiovascular disease and mortality.
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Strelitz, J., Ahern, A., Long, G. H., Boothby, C., Wareham, N., & Griffin, S. (2019). Changes in behaviors after diagnosis of type 2 diabetes and 10-year incidence of cardiovascular disease and mortality.. Cardiovascular diabetology, 18 (1), 98. https://doi.org/10.1186/s12933-019-0902-5
ABSTRACT Background: Large changes in health behaviors achieved through intensive lifestyle intervention programs reduce cardiovascular disease (CVD) risk factors among adults with type 2 diabetes. However, such interventions are not widely available, and there is limited evidence as to whether changes in behaviors affect risk of CVD events. Methods: Among 852 adults with screen-detected type 2 diabetes in the ADDITION-Cambridge study, we assessed changes in diet, physical activity, and alcohol use in the year following diabetes diagnosis. Participants were recruited from 49 general practices in Eastern England from 2002-2006, and were followed through 2014 for incidence of CVD (n=116) and all-cause mortality (n=127). We used Cox proportional hazards regression to estimate hazard ratios (HR) for the associations of changes in behaviors with CVD and all-cause mortality. We estimated associations with CVD risk factors using linear regression. We considered changes in individual behaviors and overall number of healthy changes. Models adjusted for demographic factors, bodyweight, smoking, baseline value of the health behavior, and cardio-protective medication use. Results: Decreasing alcohol intake by ≥2 units/week was associated with lower hazard of CVD vs maintenance [HR: 0.56, 95% CI: 0.36, 0.87]. Decreasing daily calorie intake by ≥300 kcal was associated with lower hazard of all-cause mortality vs maintenance [HR: 0.56, 95%CI: 0.34, 0.92]. Achieving ≥2 healthy behavior changes was associated with lower hazard of CVD vs no healthy changes [HR: 0.39, 95%CI: 0.18, 0.82]. Conclusions: In the year following diabetes diagnosis, small reductions in alcohol use were associated with lower hazard of CVD and small reductions in calorie intake were associated with lower hazard of all-cause mortality in a population-based sample. Where insufficient resources exist for specialist-led interventions, achievement of moderate behavior change targets is possible outside of treatment programs and may reduce long-term risk of CVD complications.
ADDITION-Cambridge was supported by the Wellcome Trust (grant reference no: G061895), the Medical Research Council (grant reference no: G0001164 and Epidemiology Unit programme: MC_UU_12015/4), the NIHR Health Technology Assessment Programme (grant reference no: 08/116/300), NIHR Programme Grants for Applied Research (RP-PG-0606-1259) National Health Service R&D support funding (including the Primary Care Research and Diabetes Research Networks) and the National Institute for Health Research. SJG is an NIHR Senior Investigator. The University of Cambridge has received salary support in respect of SJG from the NHS in the East of England through the Clinical Academic Reserve.
NIHR Evaluation, Trials and Studies Coordinating Centre (NETSCC) (HTA/08/116/300)
NIHR Central Commissioning Facility (NIHRDH-RP-PG-0606-1259)
Department of Health (via National Institute for Health Research (NIHR)) (RP-PG-0216-20010)
Wellcome Trust (061895/Z/00/Z)
Department of Health (via National Institute for Health Research (NIHR)) (NF-SI-0617-10149)
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External DOI: https://doi.org/10.1186/s12933-019-0902-5
This record's URL: https://www.repository.cam.ac.uk/handle/1810/295139
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