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Table 4 Association of step width variability with past year fall history: Odds Ratios (95% Confidence interval) and Adjusted Odds Ratios (95% Confidence interval) for age, gender and gait speed.

From: Too much or too little step width variability is associated with a fall history in older persons who walk at or near normal gait speed

  Model 1 Model 2 Model 3
Total Sample n = 503
Mod step width CV* N = 455 1 1 1
Low/High Step width CV N = 48 2.65 (1.36, 5.14) 2.70 (1.37, 5.31) 2.76 (1.40, 5.45)
Age (years)   1.08 (1.02, 1.14) 1.08 (1.02, 1.15)
Gender   .55 (.33, .93) .51 (.30, .89)
Gait speed (m/s)    1.32 (.38, 4.63)
Speed < 1.0 m/s N = 222
Mod Step width CV N = 199 1 1 1
Low/High Step width CV N = 23 1.42 (.49, 4.08) 1.56 (.52, 4.70) 1.56 (.50, 4.79)
Age (years)   1.08 (1.00, 1.17) 1.08 (.99, 1.17)
Gender   .42 (.17, 1.02) .38 (.15, .99)
Gait speed (m/s)    .22 (.01, 4.33)
Speed ≥ 1.0 m/s N = 281
Mod Step width CV N = 256 1 1 1
Low/High Step width CV N = 25 4.35 (1.81, 10.47) 4.38 (1.79, 10.72) 4.38 (1.79, 10.72)
Age (years)   1.09 (1.00, 1.18) 1.09 (1.00, 1.19)
Gender   .67 (.33, 1.33) .65 (.32, 1.31)
Gait speed (m/s)    1.62 (.12, 21.11)
  1. *CV = coefficient of variation