Table 3 Associations of upright and stepping event metrics with handgrip strength

Daily step count^b

0.15 [-0.08,0.38]

0.21 [-0.04,0.46]

0.12 [-0.11,0.36]

0.27 [0.02,0.52]

-

-

(per + 3582 steps)

(0.19)

(0.094)

(0.294)

(0.037)

-

-

Upright events

-0.11 [-0.35,0.13]

-0.15 [-0.39,0.09]

-0.02 [-0.25,0.22]

0.01 [-0.23,0.25]

-0.04 [-0.28,0.20]

0.00 [-0.25,0.24]

(per + 13.1 n)

(0.36)

(0.222)

(0.89)

(0.934)

(0.729)

(0.971)

Stepping events^b

-0.17 [-0.41,0.08]

-0.19 [-0.43,0.06]

-0.17 [-0.42,0.07]

-0.12 [-0.36,0.13]

-0.45 [-0.73,-0.17]

-0.38 [-0.66,-0.10]

(per + 59.1 n)

(0.18)

(0.141)

(0.156)

(0.346)

(0.001)

(0.007)

Duration of stepping events

0.31 [0.09,0.53]

0.60 [0.33,0.88]

0.29 [0.07,0.50]

0.60 [0.32,0.88]

0.35 [0.09,0.61]

0.67 [0.35,0.99]

(per + 8.8 s)

(0.005)

(< 0.001)

(0.01)

(< 0.001)

(0.007)

(< 0.001)

Steps per stepping event

0.24 [0.02,0.45]

0.51 [0.23,0.79]

0.21 [-0.01,0.42]

0.51 [0.22,0.79]

0.22 [-0.03,0.48]

0.52 [0.20,0.84]

(per + 16.7 steps)

(0.029)

(< 0.001)

(0.057)

(< 0.001)

(0.081)

(0.001)

Step-weighted cadence

0.12 [-0.10,0.34]

0.11 [-0.15,0.37]

0.05 [-0.17,0.27]

0.11 [-0.15,0.38]

-0.04 [-0.28,0.20]

0.02 [-0.27,0.30]

(per + 8.6 steps/min)

(0.267)

(0.404)

(0.655)

(0.405)

(0.722)

(0.913)

Duration of upright events

-0.01 [-0.27,0.24]

-0.04 [-0.26,0.19]

-0.07 [-0.33,0.18]

-0.10 [-0.32,0.13]

-0.16 [-0.43,0.10]

-0.16 [-0.38,0.07]

(per + 2.9 min)

(0.911)

(0.746)

(0.577)

(0.398)

(0.233)

(0.176)

Stepping proportion of upright events

0.30 [0.07,0.53]

0.20 [-0.06,0.45]

0.23 [0.00,0.46]

0.13 [-0.12,0.38]

0.18 [-0.05,0.42]

0.09 [-0.17,0.34]

(per + 5.6%)

(0.011)

(0.126)

(0.047)

(0.308)

(0.126)

(0.496)

Step count of upright events

0.20 [-0.03,0.43]

0.20 [-0.04,0.45]

0.13 [-0.10,0.35]

0.15 [-0.09,0.40]

-0.03 [-0.36,0.29]

0.00 [-0.33,0.33]

(per + 82.3 steps)

(0.086)

(0.106)

(0.281)

(0.22)

(0.834)

(0.997)

Stepping events within upright events

-0.03 [-0.28,0.23]

-0.11 [-0.34,0.11]

-0.06 [-0.31,0.20]

-0.14 [-0.37,0.08]

-0.15 [-0.42,0.12]

-0.22 [-0.45,0.01]

(per + 3.0 n)

(0.845)

(0.322)

(0.671)

(0.217)

(0.266)

(0.065)

Upright event burstiness

-0.24 [-0.48,-0.00]

-0.02 [-0.28,0.24]

-0.20 [-0.44,0.04]

0.05 [-0.21,0.31]

-0.22 [-0.46,0.02]

0.04 [-0.22,0.30]

(per + 0.09)

(0.05)

(0.882)

(0.1)

(0.697)

(0.075)

(0.75)

Sedentary event burstiness

0.07 [-0.15,0.29]

0.24 [-0.02,0.50]

0.08 [-0.14,0.29]

0.29 [0.03,0.55]

0.03 [-0.20,0.25]

0.26 [-0.01,0.52]

(per + 0.08)

(0.545)

(0.074)

(0.486)

(0.029)

(0.816)

(0.058)