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Table 3 The relationship between physical performances and physical activity and fall incidence over the 6-month in older people (n = 255)

From: Association between walking 5000 step/day and fall incidence over six months in urban community-dwelling older people

Fall risk factors Total (n = 255) Fallers (n = 33) Person-day (days)   Incidence density (per 1000 person day) Cox-proportional hazard model
HRunadj 95%CI p-value HRadj 95%CI p-value
FTSTS
  > 13 s. 148 26 23,339 1.11 2.92 1.27–6.73 0.01* 1.02 0.36–2.91 0.97
  ≤ 13 s. 107 7 18,317 0.38 1.00      
BBS
  ≤ 45 scores 20 7 2859 2.44 3.67 1.59–8.46 0.002* 1.27 0.45–3.61 0.66
  > 45 scores 235 26 38,797 0.67 1.00      
TUG
  > 13.5 s. 142 27 17,189 1.57 6.43 2.65–15.57 0.001* 4.22 1.69–10.56 0.002*
  ≤ 13.5 s. 57 6 24,467 0.25 1.00      
10mWT
  ≤ 0.6 m/s 57 17 8579 1.98 4.13 2.08–8.17 0.001* 1.01 0.42–2.39 0.98
  > 0.6 m/s 198 16 33,077 0.48 1.00      
6MWT
  < 306 m 138 27 21,453 1.26 4.25 1.75–10.29 0.001* 1.99 0.68–5.83 0.21
  ≥ 306 m 117 6 20,203 0.30 1.00      
PASE
  < 100 scores 169 29 28,027 1.03 3.53 1.24–10.04 0.02* 1.44 0.47–4.43 0.53
  ≥ 100 scores 78 4 13,629 0.29 1.00      
Accelerometer
 Walking
   < 5000step/day 84 21 13,570 1.55 3.60 1.76–7.31 0.001* 2.62 1.27–5.42 0.009*
   ≥ 5000step/day 163 12 28,086 0.43 1.00      
 MVPA
   < 150 min/wk. 227 31 38,261 0.81 1.37 0.33–5.75 0.66 1.44 0.47–4.43 0.53
   ≥ 150 min/wk. 20 2 3395 0.59 1.00      
   < 60 min/wk. 183 30 30,477 0.98 3.66 1.12–12.01 0.03* 1.55 0.42–5.76 0.51
   ≥ 60 min/wk. 64 3 11,179 0.27 1.00      
  1. Adjusted by age, polypharmacy/psychotics drugs, medical condition and urinary incontinence