Effects of high occupational physical activity, aging, and exercise on heart rate variability among male workers.

Ann Occup Environ Med · 2015 · PMC4582816 · PMID 26413308

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borderline significanceno p-value reported

Whereas high OPA was not related with any HRV items in the younger age group, high OPA increased the occurrence of low cases in all HRV items except LF (borderline significance) in older participants.

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