Spatio-temporal gait variables predicted incident disability

Table 3 The relationship between number of lower gait function measures and disability incidence

Number of lower gait function	Incident disability	Crude HR [95% CI]	P	Adjusted HR [95% CI]	P
4, n = 250	91, 36.4%	10.6 [7.66–14.6]	< .001	3.72 [2.58–5.35]	< .001
3, n = 379	92, 24.3%	6.47 [4.69–8.93]	< .001	2.64 [1.87–3.74]	< .001
2, n = 550	72, 13.1%	3.31 [2.36–4.65]	< .001	2.02 [1.43–2.86]	< .001
1, n = 1430	107, 7.5%	1.81 [1.33–2.48]	< .001	1.59 [1.16–2.17]	.004
0 (robust), n = 1512	63, 4.2%	Reference		Reference

HR was calculated by Cox proportional regression analysis using number measures assessed as lower gait ability based on respective cut-off values. The reference category is 0 (number of lower gait functions) from the analysis. Adjusted HR was calculated using covariates including age, sex, height, weight, medical condition (diseases), physical inactivity and cognitive function
HR hazard ratio, CI confidence interval

ISSN: 1743-0003