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. Author manuscript; available in PMC: 2023 Aug 1.
Published in final edited form as: J Sports Sci. 2022 Jul 24;40(15):1732–1740. doi: 10.1080/02640414.2022.2103622

Table 3.

Confusion matrix displaying the classification of moderate intensity (≥ 3 METs) using the identified age-specific speed thresholds

Age Group ≥ Age-specific speed thresholds ≥ 3 METs
Yes No
Young Yes 32 (42.7%) 3 (4.0%)
No 27 (46.0%) 13 (17.3%)
Middle-aged Yes 45 (56.9%) 2 (2.5%)
No 16 (20.3%) 16 (20.3%)
Older-aged Yes 47 (50.0%) 6 (6.4%)
No 19 (20.2%) 22 (23.4%)

Note: Values represent n (%). Young, middle- and older-aged represents participants 21–40, 41–60 and 61–85 years, respectively. Percentages are calculated as [cell value / total number of bouts] * 100. Abbreviations: METs –metabolic equivalents (1 MET = 3.5 mL/kg/min). Abbreviations: METs, metabolic equivalents (1 MET = 3.5 mL/kg/min).