Key result
High leisure and household physical activity linked to ~60% lower incident CVD risk.
Why the study?
It is unclear whether the number of types of leisure-time physical activities is related to new-onset cardiovascular disease.
Does a higher amount and greater variety of leisure-time and household physical activity reduce the incidence of cardiovascular disease in a general population without prior CVD?
Cohort (n=3,741)
No
Does a higher amount and greater variety of leisure-time and household physical activity reduce the incidence of cardiovascular disease in a general population without prior CVD?
Higher amounts and a greater variety of leisure-time and household physical activities are associated with a significantly lower risk of incident cardiovascular disease in the general population.
BACKGROUND: High levels of participation in leisure-time and household physical activity lower the risk of cardiovascular disease (CVD), although it is unclear whether the number of activity types is related to new-onset CVD. We aimed to evaluate the effect of the amount of leisure-time physical activity and the number of types of leisure-time physical activities on the risk of CVD incidence. METHODS: From 2002 to 2003, 3,741 participants without any history of CVD participated in the Takashima Study. Data on the amount of leisure-time and household physical activity and the types of leisure-time and household physical activity were obtained from a self-administered questionnaire. Hazard ratios for CVD (acute myocardial infarction and stroke) incidence (follow-up data from 2002 to 2013), according to the participation level and number of activity types, were calculated using Cox proportional hazards models. RESULTS: The mean age of the subjects was 58.7 ± 13.1 years. During the mean follow-up period of 8.0 ± 1.1 years, 92 participants developed CVD. An inverse dose-response relationship was noted between the amount of leisure-time and household physical activity and CVD events. After adjusting for baseline characteristics, lifestyle-related diseases, and the amount of physical activity other than leisure-time and household, the risk of CVD onset was compared by dividing the participants into two groups by the level of participation; the highest activity group had an adjusted hazard ratio (95% confidence interval) of 0.40 (0.20-0.82) compared to the lowest activity group. Compared to participants who engaged in 0-1 type of activity, participants who engaged in two or more types of activities had a multivariable-adjusted hazard ratio (95% confidence interval) of 0.31 (0.12-0.79). CONCLUSION: Increasing the amount of leisure-time and household physical activity and promoting engagement in two or more types of such activities may reduce the rate of CVD incidence in the Japanese general population.
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Iwase et al. (2022) conducted a cohort in Cardiovascular disease (n=3,741). High levels of leisure-time and household physical activity vs. Lowest levels of leisure-time and household physical activity was evaluated on Cardiovascular disease incidence (acute myocardial infarction and stroke) (HR 0.40, 95% CI 0.20-0.82, p=0.012). High levels of leisure-time and household physical activity were associated with a significantly lower risk of cardiovascular disease incidence compared to the lowest activity levels (HR 0.40).
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