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Steps, moderate-to-vigorous physical activity, and cardiometabolic profiles

TitleSteps, moderate-to-vigorous physical activity, and cardiometabolic profiles
Year of Publication2018
AuthorsHajna, S., Ross N. A., and Dasgupta K.
JournalPreventive Medicine
Pages69 - 74
Keywordsaccelerometer, blood pressure, bmi, epidemiology, risksk factors

The relative benefits of meeting the current moderate-to-vigorous intensity physical activity (MVPA) and active step count recommendations are unknown. Using robust linear regressions, we compared cardiometabolic marker differences (blood pressure, lipid levels, Homeostatic Model Assessment of Insulin Resistance (HOMA-IR), hemoglobin A1C, C-reactive protein (CRP), and body mass index (BMI)) across MVPA (150 min/week) and step (10,000 steps/day) thresholds and between step categories (low active: 5000 to 7499, somewhat active: 7500 to 9999, and active: => 10,000 steps/day vs. inactive: 10,000 steps/day: - 0.40 kg/m2 (95% CI - 0.63 to - 0.16) and 0.01% (95% CI - 0.01 to 0.03)). In terms of steps categories, the greatest incremental improvement was achieved at the somewhat active threshold (e.g., somewhat active vs. inactive: - 0.90 kg/m2, 95% CI - 1.28 to - 0.53; low active vs. inactive: - 0.36 kg/m2, 95% CI - 0.73 to 0.02). Additional benefits beyond the 10,000 step/day threshold were limited (e.g., - 0.93 kg/m2, 95% CI - 1.30 to - 0.57). Given that most benefits to markers of cardiometabolic health were at the => 7500 step/day threshold and that there was some additional benefit across the 150 min/week MVPA threshold compared to a 10,000 steps/day threshold, we suggest aiming for => 7500 steps/day and then advancing to a 150 min/MVPA goal.

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