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. 2020 Jul 21;8(7):e15331. doi: 10.2196/15331

Table 2.

Physical predictors of 3000-meter running qualification (univariate).

Variable	𝛽	SE	P value	95% CI
Constant	1346.50	207.146	<.001	935.03 to 1757.97
Waist circumference	4.15	1.260	.001	1.64 to 6.66
Smoking	129.60	30.950	<.001	68.13 to 191.07
CFRr.AC.w1i6^a	–47.97	11.060	<.001	–69.94 to –25.99
ACi=1^b	–5.43	1.370	<.001	–8.15 to –2.71

^aCFRr.AC.w1i6: CFI_AC.run at 6th minute divided by CFI_AC.walk at 1st minute.

^bACi=1: activity per second accumulated until the 1st minute after the contestant started to run.