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Table 1 Study outcomes and definitions

From: The effect of community groups and mobile phone messages on the prevention and control of diabetes in rural Bangladesh: study protocol for a three-arm cluster randomised controlled trial

Outcome type

Outcome

Definition

Primary

The prevalence of intermediate hyperglycaemia and T2DM

Proportion of adults aged 30 years or older with WHO categorisations for intermediate hyperglycaemia (impaired fasting glucose or impaired glucose tolerance) and T2DM

Two-year cumulative incidence of T2DM among individuals with intermediate hyperglycaemia at baseline

Proportion of adults aged 30 years or older with plasma glucose cut-off categorisations for intermediate hyperglycaemia at baseline who are categorised as T2DM at endline

Secondary

Blood pressure

Mean population diastolic and systolic blood pressure

Prevalence of hypertension

Proportion of adults aged 30 years or older with systolic blood pressure ≥140 mmHg or diastolic blood pressure ≥90 mmHg or self-reported current treatment with anti-hypertensive medication

Body mass index

Mean population BMI

Prevalence of overweight and obesity

Proportion of adults aged 30 years or older with a BMI of 23 kg/m2 or more

Abdominal obesity

Proportion of adult men and women aged 30 years or older with waist-to-hip circumference ratio >0.9 or >0.85, respectively

Quality of life score

Mean health-related quality of life (EQ-5D)

Psychological distress among self-reported diabetics

Mean SRQ score among adults aged 30 years and older with self-reported diabetes

Explanatory

Physical activity

Proportion of adults aged 30 years and older engaged in 30 minutes or more of physical activity per day on at least 5 days per week

Intake of fruit and/or vegetables

Mean number of portions of fruit or vegetables consumed per adult aged 30 years or older per day

Population knowledge about diabetes risk factors, symptoms and complications

Proportion of adults aged 30 years and above who are (a) able to name at least one cause of diabetes, (b) able to report at least one symptom of diabetes, (c) able to report at least one complication of diabetes, (d) able to recognise complications of diabetes when prompted, (e) able to report at least one way to reduce the risk of getting diabetes and (f) able to report at least one way to control diabetes if diagnosed

Self-awareness of diabetic status

Proportion of diabetics who correctly report their diabetic status

Receipt of treatment or advice for diabetes

Proportion of diabetics receiving care or advice from a medical professional

  1. Abbreviations: BMI Body mass index, SRQ Self-Reporting Questionnaire, T2DM Type 2 diabetes mellitus, WHO World Health Organisation