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Table 2 Regression model predicting sarcopenia by SARC-F score

From: Sarcopenia and its association with objectively measured life-space mobility and moderate-to-vigorous physical activity in the oldest-old amid the COVID-19 pandemic when a physical distancing policy is in force

N = 151, R2 = 0.295

Beta (SE)

p-value

95%CI

Confounding factors

 Gender

  Female

1.573 (0.403)

< 0.001*

0.776, 2.371

 Male

0

  

 Age

0.017 (0.049)

0.733

−0.080, 0.114

 Education

  Tertiary

−1.820 (1.395)

0.149

−4.579, 0.940

  Secondary

−0.232 (0.618)

0.708

−1.454, 0.990

  Primary

−0.290 (0.359)

0.421

−1.002, 0.421

 Nil

0

  

 Cognitive function (AMT)

−0.333 (0.133)

0.013*

−0.595, − 0.070

 Marital

 

0.141

−0.055, 0.380

  Unmarried

0.432 (1.395)

0.757

−2.328, 3.192

  Married

0.074 (0.409)

0.856

−0.735, 0.883

  Widowed/divorced/separated

0

  

 Living condition

  Living alone

−0.391 (0.352)

0.270

−1.088, 0.307

  Living with family/domestic helper/friends

0

  

 BMI

0.062 (0.045)

0.177

−0.028, 0.151

 Chronic diseases

  Diabetes Mellitus

−0.019 (0.476)

0.968

−0.961, 0.923

  Heart diseases

0.045 (0.425)

0.915

−0.795, 0.886

  Osteoarthritis

0.783 (0.702)

0.267

−0.606, 2.172

  Cancer

0.117, (0.894)

0.896

−1.652, 1.887

  Hypertension

−0.118 (0.375)

0.753

−0.860, 0.623

Predictors

 MVPA minutes per week

−0.002 (0.001)

0.047*

−0.003, −2.572

 Life Space Mobility

0.038 (0.052)

0.464

−0.064, 0.140

  Time spent in each life-space zone

   Zone 1

44.499 (67.279)

0.509

−88.568, 177.566

   Zone 2

6.456 (44.623)

0.877

−75.866, 88.778

   Zone 3

−21.628 (44.954)

0.631

−110.539, 67.282

   Zone 4

−40.724 (62.422)

0.515

− 164.184, 82.735