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Table 4 Associations between total duration of static and dynamic standing at work (per 100 min) and change in LEPi during follow-up Approach 2)

From: Associations of objectively measured total duration and maximum bout length of standing at work with lower-extremity pain intensity: a 2-year follow-up of construction and healthcare workers

  

Static standing

Dynamic standing

Model 1

Model 4

Model 1

Model 4

Observations = 426/215/211

Observations = 412/212/200

Observations = 426/215/211

Observations = 412/212/200

Coef.

95% CI

P-value

Coef.

95% CI

P-value

Coef.

95% CI

P-value

Coef.

95% CI

P-value

Total

T2

−0.03

− 0.46,0.40

0.896

− 0.07

− 0.50,0.37

0.761

0.02

− 0.28,0.31

0.920

0.003

−0.29,0.30

0.987

 

T3

0.02

−0.48,0.53

0.926

0.03

−0.49,0.54

0.921

0.08

−0.24,0.40

0.609

0.09

−0.24,0.42

0.580

 

T4

−0.33

−0.80,0.15

0.177

−0.33

− 0.84,0.17

0.197

− 0.04

−0.45,0.17

0.383

−0.13

− 0.45,0.20

0.440

 

T5

0.10

−0.42,0.61

0.714

0.002

−0.52,0.53

0.995

0.14

−0.19,0.49

0.399

0.08

−0.27,0.43

0.648

Construction

T2

−0.07

−0.57,0.44

0.789

−0.12

− 0.63,0.39

0.651

− 0.05

− 0.38,0.28

0.766

− 0.09

− 0.43,0.25

0.604

 

T3

0.24

−0.38,0.86

0.444

0.16

−0.48,0.80

0.617

0.19

−0.19,0.56

0.331

0.14

−0.25,0.53

0.490

 

T4

− 0.35

− 0.91,0.21

0.223

−0.34

− 0.97,0.30

0.297

− 0.13

− 0.48,0.23

0.490

− 0.12

− 0.50,0.26

0.535

 

T5

0.25

−0.34,0.83

0.410

0.25

−0.36,0.85

0.426

0.14

−0.24,0.52

0.482

0.14

−0.25,0.52

0.485

Healthcare

T2

− 0.05

−0.82,0.71

0.894

− 0.16

− 0.93,0.62

0.695

0.08

−0.48,0.63

0.786

0.03

−0.54,0.60

0.928

 

T3

−0.44

−1.31,0.42

0.315

−0.44

−1.32,0.44

0.330

−0.28

− 0.92,0.36

0.385

− 0.25

− 0.91,0.41

0.458

 

T4

−0.40

−1.22,0.43

0.347

−0.52

−1.37,0.33

0.232

−0.23

− 0.84,0.38

0.458

− 0.26

− 0.89,0.37

0.420

 

T5

−0.59

−1.53,0.34

0.213

−0.85

−1.81,0.11

0.082

−0.32

−1.04,0.39

0.377

−0.54

−1.29,0.20

0.154

  1. T2: 6 months, T3: 12 months, T4: 18 months, T5: 24 months; Observations: total observations included in models for total/construction/healthcare; P-values ≤0.05 in bold
  2. Dependent variable: Change in pain between T1 and TX. Independent variables: Model 1: Static standing or dynamic standing at work (minutes per work day), Model 4: As model 1 + Age, Gender, BMI, Smoking, Heavy lifting, Kneeling, Social climate, Decision control, Fair leadership, Empowering leadership
  3. Tables including all models (Model 2 and Model 3) are shown in supplementary Tables A and B