Type 2 & other diabetes

Type 2 diabetes mellitus in people with intellectual disabilities: Examining incidence, risk factors, quality of care and related complications. A population-based matched cohort study

Diabetes Res Clin PractPublished Population-based matched cohort study

Main finding · Incidence of T2DMResult — go to the resultAdjusted incidence rate ratio 6.91 95 % CI 5.81–8.22

Authors' conclusion

People with intellectual disabilities are at increased risk of T2DM at younger ages, have specific risk factors, experience inequities in care and are at risk for macrovascular complications.

Study context

Population
People with intellectual disabilities and matched controls; electronic health-record data Jan 2010 to May 2022matched cohort
Participants
189,172 vs 306,697
Exposure
People with intellectual disabilities vs matched controls
  • Intellectual disabilitiesn = 189,172
  • Controlsn = 306,697reference
Outcome
Incidence of T2DM (per 1,000 person-years)
Methodological detailsmatched on age, sex and family practice, electronic health-record data
  • Matched on age, sex and family practice
  • Electronic health-record data

Main finding

Incidence of T2DM

Adjusted incidence rate ratio

6.91

95 % CI 5.81–8.22

By group

Intellectual disabilitiesvs Controls
adjusted IRR 6.91 (95 % CI 5.81–8.22)

As reported in the abstract

Observational data: associations, not effects.

Further findings

Risk factor for T2DM in intellectual disabilities: impaired mobility

Impaired mobility associated with T2DM incidence, OR (5.87-10.15)
7.72

Quality of care

People with intellectual disabilities received HbA1c and cholesterol tests, and eye and foot examinations less often

Macrovascular complications

Higher risk of developing macrovascular complications in people with intellectual disabilities
12 %

Original publication

Type 2 diabetes mellitus in people with intellectual disabilities: Examining incidence, risk factors, quality of care and related complications. A population-based matched cohort study. Diabetes Res Clin Pract. Published 7 March 2025. doi:10.1016/j.diabres.2025.112090

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