Skip to main content

Table 2 Parameter estimation of the generalized estimation equation for the reported rate of WRMDs in the past 7 days

From: Effectiveness of a multidimensional intervention program in improving occupational musculoskeletal disorders among intensive care unit nurses: a cluster-controlled trial with follow-up at 3 and 6 months

Variable

Single-factor analysis

Multiple-factor analysis

ORa

Upper

Lower

p-value

ORa

Lower

Upper

p-value

Age

1.042

0.976

1.112

0.220

    

Sex

 Male

2.332

1.320

4.083

0.003

2.465

1.383

4.396

0.002

 Female

1

   

1

   

BMIb

  < 18.5

0.325

0.049

2.165

0.245

    

 18.5–23.9

0.256

0.041

1.590

0.144

    

 24.0–27.9

0.347

0.051

2.344

0.278

    

  ≥ 28

1

       

Marital Status

 Single

1.288

0.784

2.115

0.318

    

 Married

1

       

ICUc employment

 1–2 years

0.418

0.186

0.936

0.034

    

 3–5 years

1.528

0.736

3.173

0.255

    

 5–10 years

1.028

0.520

2.032

0.937

    

  > 10 years

1

       

Job title

 Nurse

0.762

0.403

1.441

0.403

    

 Senior nurse

1.109

0.600

2.048

0.741

    

 Supervisor nurse

1

       

Education

 Junior college

0.492

0.144

1.683

0.258

    

 Bachelor

0.765

0.265

2.212

0.621

    

 Master/Doctoral

1

       

Group

 Group = 0 (Control group)

    

1.953

1.126

3.677

0.037

 Group = 1 (Intervention group)

    

1

   

Time

 Time = 0 (Baseline)

    

1.374

0.740

2.551

0.315

 Time = 1(3 months)

    

1.129

0.766

1.642

0.526

 Time = 2 (6 months)

    

1

   

Group × time

 [Group = 0] × [Time = 0]

    

1.225

0.566

2.782

0.578

 [Group = 0] × [Time = 1]

    

0.965

0.610

1.526

0.878

 [Group = 0] × [Time = 2]

    

1

   

 [Group = 1] × [Time = 0]

    

1

   

 [Group = 1] × [Time = 1]

    

1

   

 [Group = 1] × [Time = 2]

    

1

   
  1. aOR Odds ratio
  2. bBMI Body Mass Index
  3. cICU Intensive care unit