Objective To investigate the prevalence and influencing factors of stroke in residents aged 40 years and older in Guangdong province for developing stroke prevention and control policies.
Methods Totally 21 176 permanent residents aged 40 years and older were recruited with multistage random cluster sampling in urban and rural regions of 5 municipalities in Guangdong province for a survey conducted during July – December 2020. All the participants undertook face-to-face interview with a questionnaire designed by domestic experts, physical examination and laboratory tests. Unconditional multivariate logistic regression model was used to analyze influencing factors of stroke.
Results Among 16 993 participants surveyed effectively, 361 stroke sufferers were identified and the crude and age-adjusted stroke prevalence were 2 124.40/100 000 and 1 725.25/100 000, respectively. Multivariate unconditional logistic regression analysis revealed following risk factors of stroke among the participants: ≥ 50 years old, smoking, lack of physical activity, family history of stroke, hypertension, diabetes, dyslipidemia, high homocysteine, and atrial fibrillation or valvular heart disease; while, being female and with an individual annual income of 5 000 – 10 000 or more than 20 000 Chinese yuan were protective factors against stroke.
Conclusion The prevalence of stroke was relatively low and influenced mainly by gender, age, annual personal income, smoking, lack of physical activity, family history of stroke, hypertension, diabetes, dyslipidemia, high homocysteine, atrial fibrillation or valvular heart disease among urban and rural residents aged 40 years and older in Guangdong province.
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