Smartwatch-based Intervention for Cardiovascular Health (SWITCH)

Summary

This study aims to employ a cluster randomized controlled trial to evaluate the effectiveness of an mHealth-Based Multi-faceted Cardiovascular Health Intervention Model among Overweight/Obese Individuals with Cardiometabolic Preconditions, thereby providing theoretical foundations and practical guidance for the prevention and management of this population.

Eligibility

Inclusion Criteria:

1. Age \>= 18 years, no gender restriction;
2. Overweight and obesity: Body Mass Index (BMI) 24.0-32.4 kg/m\^2, or waist circumference \>= 90 cm for males and \>= 85 cm for females;
3. Presence of at least one metabolic high-risk state among prehypertension, prediabetes, or borderline elevated blood lipids, and without a diagnosis of hypertension, diabetes mellitus, or dyslipidemia:

(1) Prehypertension: Systolic blood pressure (SBP) 130-139 mmHg and/or diastolic blood pressure (DBP) 80-89 mmHg, without regular use of antihypertensive medication in the past month; (2) Prediabetes: Fasting blood glucose (FBG) 6.1-6.9 mmol/L, or glycated hemoglobin (HbA1c) 5.7%-6.4%, without regular use of hypoglycemic medication in the past month; (3) Borderline elevated blood lipids: Total cholesterol (TC) 5.2-6.1 mmol/L, or low-density lipoprotein cholesterol (LDL-C) 3.4-4.0 mmol/L, or triglycerides (TG) 1.7-2.2 mmol/L, or non-high-density lipoprotein cholesterol (non-HDL-C) 4.1-4.8 mmol/L, without regular use of lipid-lowering medication in the past month; 4. Local permanent residents who will reside in the area for at least 12 month after enrollment; 5. Have basic reading, writing, and comprehension abilities; proficient in using internet-connected smartphones; able to independently complete basic operations of the application; 6. Written informed consent provided.

Exclusion Criteria:

1. Secondary obesity diagnosed by doctors in secondary or higher-level medical institutions;
2. Cardiovascular and cerebrovascular diseases, including myocardial infarction, stroke, heart failure, arrhythmia; or having received coronary intervention therapy, cardiac surgery, etc.; or with a 10-year high risk of cardiovascular disease;
3. Diseases seriously affecting survival, such as malignant tumors, AIDS, hepatic and renal failure;
4. Pregnancy, lactation period, or women who may become pregnant within one year;
5. History of severe neuropsychiatric diseases with potential cognitive or communication impairments, such as dementia, Alzheimer's disease, Parkinson's syndrome;
6. Individuals with limited daily mobility;
7. Individuals undergoing or planning to receive weight loss through surgery, medication, or other methods;
8. Currently participating in other lifestyle intervention-related trials.

Conditions5

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