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

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

Fall risk factors	Total (n = 255)	Fallers (n = 33)	Person-day (days)	Incidence density (per 1000 person day)	Cox-proportional hazard model
Fall risk factors	Total (n = 255)	Fallers (n = 33)	Person-day (days)	Incidence density (per 1000 person day)	HR_unadj	95%CI	p-value	HR_adj	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

Adjusted by age, polypharmacy/psychotics drugs, medical condition and urinary incontinence

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