Table 2.
Sex differences for spatiotemporal gait parameters: mean values and association with age.
| Spatiotemporal gait parameters a | mean (SE) | age-association, 3 (SE) | ||||
|---|---|---|---|---|---|---|
| women( N= 162 ) | men( N= 174 ) | p value b | women c( N= 162 ) | men c( N= 174 ) | p value d | |
| Gait speed, m/s | 1.11 (0.02) | 1.14 (0.02) | 0.185 | −0.009 (0.002 )*** | −0.008( 0.001 )*** | 0.475 |
| Cadence, steps/min. | 113.05 (0.72) | 110.09 (0.69) | 0.010 | 0.214 (0.070)** | 0.244 (0.064)*** | 0.724 |
| Stride length, m | 1.19 (0.01) | 1.23 (0.01) | 0.006 | −0.002 (0.001)** | −0.003 (0.001)*** | 0.437 |
| Stride Width, Cm | 10.57 (0.23) | 11.28 (0.22) | 0.046 | 0.034 (0.023) | 0.008 (0.019) | 0.354 |
| Percent of gait cycle (%GC) | ||||||
| Stance | 64.01 (0.16) | 63.67 (0.15) | 0.170 | 0.012 (0.018) | 0.021 (0.013) | 0.642 |
| Hip extension | 52.60 (0.14) | 52.66 (0.13) | 0.780 | −0.041 (0.021)** | −0.060 (0.022)*** | 0.269 |
| Hip flexion | 11.42 (0.15) | 11.01 (0.15) | 0.096 | 0.019 (0.016) | 0.052 (0.014)*** | 0.084 |
| 1st Knee flexion | 12.79 (0.14) | 13.35 (0.14) | 0.016 | −0.008 (0.016) | 0.012 (0.015) | 0.314 |
| Knee extension | 26.39 (0.35) | 27.65 (0.34) | 0.025 | 0.025 (0.037) | 0.024 (0.033) | 0.980 |
| 2nd Knee flexion | 24.83 (0.33) | 22.67 (0.32) | < 0.001 | −0.004 (0.038) | −0.014 (0.033) | 0.825 |
| 1st Ankle plantar flexion | 5.78 (0.18) | 6.12 (0.17) | 0.246 | −0.056 (0.019)** | −0.012 (0.016) | 0.056 |
| Ankle dorsiflexion | 38.11 (0.30) | 38.32 (0.29) | 0.663 | 0.159 (0.031)*** | 0.060 (0.022)** | 0.006 |
| 2nd Ankle plantar flexion | 20.11 (0.28) | 19.23 (0.26) | 0.044 | −0.043 (0.033) | 0.015 (0.019) | 0.105 |
SE: Standard Error.
Gait speed - controlled for age, height, and mass, Others –controlled for age, height, mass, and gait speed
p-values for sex difference in mean values
Asterisks indicate a significant association with age:
p < 0.050;
p < 0.010;
p < 0.001
p-values for interaction term of sex*age (i.e., testing whether the association between age and the given gait parameter differs in men and women)