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Accelerometry-assessed Physical Activity and Sedentary Behavior Patterns Using Single- and Multi-component Latent Class Analysis Among Postmenopausal Women

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Date 2024 May 28
PMID 38805324
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Abstract

Background: Patterns of physical activity and sedentary behavior among postmenopausal women are not well characterized.

Objectives: To describe the patterns of accelerometer-assessed physical activity and sedentary behavior among postmenopausal women.

Design: Cross-sectional study.

Methods: Women 63-97 years (n = 6126) wore an ActiGraph GT3X + accelerometer on their hip for 1 week. Latent class analysis was used to classify women by patterns of percent of wake time in physical activity and sedentary behavior over the week.

Results: On average, participants spent two-thirds of their day in sedentary behavior (62.3%), 21.1% in light low, 11.0% in light high, and 5.6% in moderate-to-vigorous physical activity. Five classes emerged for each single-component model for sedentary behavior and light low, light high, and moderate-to-vigorous physical activity. Six classes emerged for the multi-component model that simultaneously considered the four behaviors together.

Conclusion: Unique profiles were identified in both single- and multi-component models that can provide new insights into habitual patterns of physical activity and sedentary behavior among postmenopausal women.

Implications: The multi-component approach can contribute to refining public health guidelines that integrate recommendations for both enhancing age-appropriate physical activity levels and reducing time spent in sedentary behavior.

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