Trends in age-standardised prevalence of hypertension, adiposity, and current smoking in Vietnam population aged 25–74 between 2001 and 2009, stratified by sex, and residential areas.

†(1) NESH: the national epidemiological survey on hypertension and its risk factors; (2) HF-S: the survey on heart failure and its risk factors; (3) DM-S: the survey on diabetes and its risk factors; (4) NCDS: the survey on non-communicable disease risk factors; (5) HMPS: the hypertension management programme in rural communes. ††Prevalence in hypertensive population. †††Waist circumference ≥90 cm in men or ≥80 cm in women. *p for trend was estimated from univariable linear regression between the variable of interest with time (year).