Accepted for/Published in: JMIR Public Health and Surveillance
Date Submitted: Aug 16, 2022
Date Accepted: Dec 4, 2022
Explorations of association between weekend warrior with visceral adiposity index in American adults: a repeated cross sectional study based on NHANES 2007-2016
ABSTRACT
Background:
According to previous reports, obesity especially visceral fat became an important public health problem, causing an estimation of 20.5 DALYs per 1000 inhabitants. Those who did all exercise on one or two days for a week were usually defined as "weekend warriors" (WW) activity mode. The association of WW for VAI and difference between WW and regular PA were waiting for exploration.
Objective:
To explore the association between weekend warrior (WW) and other physical activity pattern with visceral adiposity index (VAI) in American adults.
Methods:
NHANES 2007-2016 was derived and the analytic sample was limited to adults aged 20 years old and above with complete information about VAI, PA pattern and other covariates. Participants characteristics in different PA pattern groups were tested using the Rao & Scott adjusted χ2 test and Analysis of Variance. Then univariate and multivariate stepped linear regression models were employed to explore the association between physical activity pattern and visceral adiposity index. Finally, stratified analyses and interaction effect were conducted to investigate whether the association was stable among subgroups.
Results:
The final sample included 9642 adults aged 20 years and older, which is representative for 158.1 million non-institutionalized U.S. adults, with 52.15% being male and 70.80% being non-Hispanic White. Gender, age group, race, education level, income level, marital status, smoking status, alcoholism, VAI, CVD and diabetes were all correlated with the PA pattern, but no relationship between hypertension and PA pattern was observed. After adjusted for demographics covariates, smoking status, alcoholism, CVD, diabetes and hypertension, weekend warrior and regularly active adults had 0.307 (95%CI: -0.611 ~ -0.003) and 0.354 (95%CI: -0.467 ~ -0.241) reduced VAI, but no significant effect of lowering VAI (β: -0.132, 95%CI: -0.282 ~ 0.018) was observed in insufficiently active adults. Besides, no significant difference was exhibited between weekend warrior adults and regularly active adults, suggesting weekend warrior adults had the same benefit of decreasing VAI with regularly active adults.
Conclusions:
Compared with inactive adults, weekend warriors could reduce VAI, and there was no significant difference between weekend warriors and regular active adults in decreasing of VAI.
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