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. Author manuscript; available in PMC: 2025 Feb 1.
Published in final edited form as: Med Sci Sports Exerc. 2023 Sep 12;56(2):209–220. doi: 10.1249/MSS.0000000000003301

Table 4.

Wear fatigue by quadrant of the day (Mean ± SE min·day−1) for all participants in the 2011–2014 NHANES cycles with seven days of recorded data, regardless of wear time, and by age group across the seven-day assessment period.

Quadrant of the Day All Participants Children Adolescents Adults Older Adults
All Days Early Morning (00:00 – 05:59) −3.8 ± 0.19 −3.4 ± 0.51 −5.9 ± 0.68 −4.4 ± 0.26 −1.4 ± 0.32
Late Morning (06:00 – 11:59) −4.2 ± 0.21 −4.7 ± 0.56 −7.0 ± 0.62 −4.5 ± 0.27 −2.1 ± 0.29
Afternoon (12:00 – 17:59) −4.7 ± 0.21 −4.9 ± 0.59 −6.7 ± 0.68 −5.0 ± 0.27 −2.7 ± 0.27
Evening (18:00 – 23:59) −5.7 ± 0.20 −5.7 ± 0.61 −7.5 ± 0.86 −6.3 ± 0.22 −3.4 ± 0.34