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Table 4 Predictors of total physical activity

From: Snow removal maintained a high level of physical activity in patients undergoing hemodialysis in heavy snowfall areas

Variable

Total physical activity

Univariate analysis

Multivariate analysis

B (SE)

95% CI for B

p value

B (SE)

95% CI for B

p value

Age

−30.2 (9.3)

−49.4 to −11.0

0.003

−14.6 (8.8)

−32.7 to 3.6

0.11

Gender

345.9 (342.2)

−357.4 to 1049.2

0.321

   

BMI

87.4 (33.5)

−18.6 to 156.2

0.065

   

Dialysis duration

−11.0 (19.6)

−51.3 to 29.3

0.579

   

Hemoglobin

214.8 (215.6)

−228.5 to 658.1

0.328

   

Serum albumin

940.0 (444.9)

−25.5 to 1854.5

0.064

   

C-reactive protein

53.0 (235.7)

−431.5 to 537.4

0.824

   

Grip strength

43.0 (16.7)

8.7 to 77.3

0.016

32.1 (14.4)

2.4 to 61.7

0.035

STS

−44.1 (18.4)

−81.8 to −6.3

0.024

   

Gait speed

1282.9 (486.3)

283.4 to 2282.5

0.044

   

SMI

124.3 (71.2)

−22.3 to 270.6

0.930

   

PHQ-9

10.0 (38.3)

−68.7 to 88.7

0.797

   

Snow removal

1052.3 (281.2)

474.2 to 1630.3

0.001

919.2 (268.8)

365.7 to 1472.8

0.002

  1. model R2 = 0.46, adjusted R2 = 0.41, intercept = 253.5
  2. SE standard error, CI confidence interval, STS sit-to-stand test, SMI Skeletal Muscle Index, PHQ-9 Patient Health Questionnaire-9