Short Video Viewing, and Not Sedentary Time, Is Associated with Overweightness/Obesity among Chinese Women

Chen, Ke; He, Qiang; Pan, Yang; Kumagai, Shuzo; Zhang, Xianliang

doi:10.3390/nu14061309

Cited by 8 publications

(4 citation statements)

References 54 publications

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“…Approximately one-third of new older adult netizens were short-form video users, and short-form video apps have demonstrated higher user stickiness, indicating that users would stay longer and frequently revisit [ 16 ]. Furthermore, empirical evidence from younger adults demonstrated that social media exposure influences their health behaviors such as food choice and smoking behavior [ 25 , 34 ]. However, less is known about the status of short-form video exposure and its association with PA among older adults.…”

Section: Discussionmentioning

confidence: 99%

“…With the rise of older netizens in the internet world, the challenges of short-form video exposure on older adults’ health also emerge. One recent study found that exposure to food videos and longer duration of exposure to short-form videos had significant effects on the overweight and obesity of older adults [ 25 ]. However, to our knowledge, less is known about PA-related short-form video exposure in older adults, and the impacts of PA-related short-form video exposure and the duration of exposure on the PA of older adults remain unclear.…”

Section: Introductionmentioning

confidence: 99%

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Short-Form Video Exposure and Its Two-Sided Effect on the Physical Activity of Older Community Women in China: Secondary Data Analysis

Wu,

Chen,

Wang

et al. 2023

JMIR Mhealth Uhealth

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Background There is a tendency for older adults to become more physically inactive, especially older women. Physical inactivity has been exacerbated since the COVID-19 pandemic. Lockdowns and information-based preventive measures for COVID-19 increased the number of short-form video app users and short-form video exposure, including content exposure and the duration of exposure, which has demonstrated important effects on youths’ health and health-related behaviors. Despite more older adults viewing short-form videos, less is known about the status of their short-form video exposure or the impacts of the exposure on their physical activity. Objective This study aims to describe physical activity–related content exposure among older adults and to quantify its impacts along with the duration of short-form video exposure on step counts, low-intensity physical activity (LPA), and moderate-to-vigorous physical activity (MVPA). Methods We analyzed a subsample (N=476) of older women who used smartphones and installed short-form video apps, using the baseline data collected from an ongoing cohort study named the Physical Activity and Health in Older Women Study (PAHIOWS) launched from March to June 2021 in Yantai, Shandong Province, China. The information on short-form video exposure was collected by unstructured questions; physical activity–related content exposure was finalized by professionals using the Q-methodology, and the duration of exposure was transformed into hours per day. Step counts, LPA, and MVPA were assessed with ActiGraph wGT3X-BT accelerometers. Multiple subjective and objective covariates were assessed. Linear regression models were used to test the effects of short-form video exposure on step counts, LPA, and MVPA. MVPA was dichotomized into less than 150 minutes per week and 150 minutes or more per week, and the binary logistic regression model was run to test the effects of short-form video exposure on the achievement of spending 150 minutes or more on MVPA. Results Of 476 older women (mean age 64.63, SD 2.90 years), 23.7% (113/476) were exposed to physical activity–related short-form videos, and their daily exposure to short-form videos was 1.5 hours. Physical activity–related content exposure increased the minutes spent on MVPA by older women (B=4.14, 95% CI 0.13-8.15); the longer duration of short-form video exposure was associated with a reduced step count (B=−322.58, 95% CI −500.24 to −144.92) and minutes engaged in LPA (B=−6.95, 95% CI −12.19 to −1.71) and MVPA (B=−1.56, 95% CI −2.82 to −0.29). Neither content exposure nor the duration of exposure significantly increased or decreased the odds of older women engaging in MVPA for 150 minutes or more per week. Conclusions Short-form video exposure has both positive and negative impacts on the physical activity of older adults. Efforts are needed to develop strategies to leverage the benefits while avoiding the harms of short-form videos.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Short-Form Video Exposure and Its Two-Sided Effect on the Physical Activity of Older Community Women in China: Secondary Data Analysis

Wu,

Chen,

Wang

et al. 2023

JMIR Mhealth Uhealth

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“…Cross-sectional data were taken from the Physical Activity and Health in Older Women Study (PAHIOWS) baseline survey (March to June 2021) [30] . PAHIOWS is an ongoing community-based cohort study aimed at exploring the association between PA, SB and health status in older women, details have been reported in previous articles [31][32][33] .…”

Section: Study Populationmentioning

confidence: 99%

Daily step counts and intensity both associated with obesity in Chinese older women

Zhang

Yin³

et al. 2023

Preprint

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OBJECTIVES: To investigate the associations of objectively measured daily step counts and intensity with overweightness/obesity in older women. METHODS: Totally, 1 085 community-dwelling older women were included. Overweightness/obesity indicators were measured by body composition analyzer. Daily step counts, peak 1-minute cadence (peak 1 cadence), and peak 30-minute cadence (peak 30 cadence) were measured via tri-axial accelerometer. Multiple linear regression analyses were used to assess the association of total daily step counts, peak cadence and their joint effects with different overweightness/obesity indicators. Receiver operating characteristic curve (ROC) analysis was used to determine the optimal daily steps, peak 1 cadence, peak 30 cadence cut-off values to distinguish overweightness/obesity. RESULTS:After adjusting for confounders, a significant association was found between daily step counts, cadence or intensity and the overweightness/obesity. Each 1 000 step increase in daily step counts was associated with a 0.2% reduction in body fat ratio (BFR). Each 1 steps/min increase in peak 1 cadence and peak 30 cadence was associated with a decrease in BFR 0.09% and 0.07%, respectively. The joint effect showed that the high step and intensity (HSHI) group had the best effect on reducing obesity. ROC curve analysis showed that the optimal cut-off points of daily step count, peak 1 cadence and peak 30 cadence for predicting overweightness/obesity were 9 135 steps, 126.9 steps/min and 89.0 steps/min, respectively. CONCLUSION: Increasing daily step count and intensity in walking activities is an effective way to lose weight although daily step count is not associated with BMI. It is recommended that older women walk more than 9 135 steps a day. Different steps and intensity combination can be considered according to the actual condition of older women, and increase daily step count or step intensity appropriately.

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“…The study authors found a significant independent association between screen time and body weight, which was statistically significant in boys. Chen et al [ 5 ] were also interested in the impact of screen time on weight status. In this context, they conducted a cross-sectional analysis of baseline data from the Physical Activity and Health in Older Women Study (PAHIWOS cohort study) to examine associations between sedentary time, short video viewing, and overweight/obesity in Chinese community-dwelling older women.…”

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confidence: 99%

Overweight and Obesity: The Interplay of Eating Habits and Physical Activity

Moschonis

Trakman

2023

Nutrients

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Short Video Viewing, and Not Sedentary Time, Is Associated with Overweightness/Obesity among Chinese Women

Cited by 8 publications

References 54 publications

Short-Form Video Exposure and Its Two-Sided Effect on the Physical Activity of Older Community Women in China: Secondary Data Analysis

Short-Form Video Exposure and Its Two-Sided Effect on the Physical Activity of Older Community Women in China: Secondary Data Analysis

Daily step counts and intensity both associated with obesity in Chinese older women

Overweight and Obesity: The Interplay of Eating Habits and Physical Activity

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