Research Article

Physical Activity across Frailty Phenotypes in Females with Parkinson’s Disease

Table 3

The relationship of physical activity variables to frailty severity in non-PD females.

ANOVASpearman correlationLinear regression
Main effect ( 𝑃 )Correlation coefficient ( 𝑟 )Significance ( 𝑃 )Beta coefficient ( 𝛽 )Significance ( 𝑃 )

Accelerometer: total counts
 Total steps counts*0.046−0.790.0011.1130.202
 Total activity countsNS−0.750.001
 Total activity time (min)NS−0.590.001
Accelerometer: intensity
 % time spent sedentary*0.0020.840.0002.6020.110
 % time at light activity*0.012−0.820.0001.2250.226
 % time at MV activityNS−0.810.000
GPS
 Total distance travelled (km)NS−0.630.012
 Average travel speed (km/h)NS−0.580.023
 Physical activity time (min)NS−0.540.036
Self-reported activity
 MLTA questionnaire (kcal/week)*0.007−0.820.000−0.3860.108

%: percentage; GPS: global positioning system; h: hour; kcal: kilocalories; km: kilometers; MLTA: Minnesota Leisure Time Activity; min: minutes; MV: moderate-vigorous; PD: Parkinson’s disease; NS: nonsignificant ( 𝑃 > 0 . 0 5 ).
*Significant main effects, therefore included in regression model.