Smartwatches and coaching aim to prevent heart disease in 1,400 overweight adults

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

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.