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Table 2 Parameters of physical behavior (i.e. physical activity and sedentary behavior) divided into categories and with their explained variance (%), eigenvalues and loading on the PCA components. For each outcome measure, the highest loading is in bold

From: Three distinct physical behavior types in fatigued patients with multiple sclerosis

    Component
    1 2 3 4 5
   %Variance (total = 80.1%) 39.59 13.21 10.53 9.07 7.68
   Eigenvalues 5.94 1.98 1.58 1.36 1.15
Amount and intensity PA %Active 0.97 0.02 0.04 −0.10 −0.04
%MVPA 0.78 0.07 − 0.08 0.36 − 0.10
CPD −0.97 −0.02 − 0.04 0.10 0.03
CPM 0.88 0.09 0.04 0.20 −0.09
SB %SB 0.92 0.07 −0.06 0.18 −0.08
Frequency and duration PA MPVA BL
MVPA NoB
−0.04
− 0.04
0.08
− 0.10
−0.09
0.39
0.64
0.48
0.01
0.04
tt MPVA 0.42 −0.06 0.04 0.67 −0.07
SB SB BL −0.63 0.06 −0.64 0.15 −0.03
SB NoB −0.16 0.07 0.94 −0.01 −0.05
tt SB −0.83 0.16 0.18 0.16 −0.12
Day pattern PA dMVPA1 −0.07 −0.94 0.02 0.05 −0.02
dMVPA2 −0.03 0.21 0.07 −0.21 0.79
SB dSB1 −0.02 0.91 0.05 0.08 0.04
dSB2 0.00 0.07 0.06 −0.21 −0.93
  1. PA physical activity, MVPA moderate to vigorous activity, CPD counts per day, CPM counts per minute, SB sedentary behavior, BL bout length, NoB number of bouts, tt total time, dMPVA1 %MPVA afternoon minus %MVPA morning, dMVPA 2 %MVPA evening minus %MVPA afternoon, dSB1 %SB afternoon minus %SB morning, dSB2 %SB evening minus %SB afternoon