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Table 3 Logistic analysis of work duration and functional status by job category

From: The impact of occupational experience on cognitive and physical functional status among older adults in a representative sample of Korean subjects

Work duration (year)

Non-manual worker

Manual worker

Other workers

Model 1

Model 2

Model 3

Model 1

Model 2

Model 3

Model 1

Model 2

Model 3

MMSE

         
 

15

1.168

1.098

1.174

1.107

0.825

0.803

1.136

0.869

0.950

(0.569,2.399)

(0.519,2.323)

(0.536,2.572)

(0.895,1.369)

(0.661,1.029)

(0.637,1.012)

(0.724,1.784)

(0.541,1.395)

(0.586,1.542)

 

8-14

0.670

0.692

0.766

1.440

1.127

1.106

1.238

1.030

1.074

(0.339,1.324)

(0.335,1.432)

(0.356,1.647)

(1.141,1.818)

(0.885,1.434)

(0.861,1.420)

(0.838,1.830)

(0.680,1.559)

(0.702,1.641)

 

1-7

0.861

0.737

0.756

1.062

0.948

0.917

1.051

0.843

0.784

(0.444,1.670)

(0.365,1.491)

(0.356,1.603)

(0.839,1.345)

(0.744,1.209)

(0.712,1.180)

(0.711,1.554)

(0.560,1.270)

(0.512,1.199)

 

0

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

P for trend

0.3908

0.4833

0.5995

0.0119

0.0328

0.0328

0.7545

0.7777

0.6219

IADL

         
 

15

0.214

0.263

0.354

0.193

0.165

0.234

0.166

0.152

0.118

(0.035,1.309)

(0.040,1.718)

(0.040,3.159)

(0.090,0.413)

(0.076,0.355)

(0.101,0.541)

(0.020,1.357)

(0.018,1.255)

(0.013,1.116)

 

8-14

0.527

0.689

1.092

1.036

0.917

0.997

0.849

0.816

0.662

(0.141,1.968)

(0.178,2.664)

(0.189,6.304)

(0.613,1.751)

(0.538,1.563)

(0.547,1.816)

(0.277,2.607)

(0.257,2.598)

(0.175,2.511)

 

1-7

0.277

0.358

0.212

0.802

0.790

0.841

1.412

1.332

1.149

(0.066,1.162)

(0.082,1.553)

(0.027,1.685)

(0.469,1.373)

(0.460,1.357)

(0.450,1.572)

(0.581,3.436)

(0.538,3.296)

(0.421,3.134)

 

0

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

P for trend

0.2154

0.3646

0.2798

0.0001

<.0001

0.0044

0.2541

0.2565

0.2595

ADL

         
 

15

0.237

0.268

0.325

0.270

0.240

0.332

0.205

0.197

0.179

(0.054,1.033)

(0.060,1.202)

(0.062,1.710)

(0.166,0.439)

(0.147,0.393)

(0.197,0.561)

(0.044,0.945)

(0.042,0.915)

(0.034,0.941)

 

8-14

0.437

0.491

0.517

0.800

0.734

0.803

0.959

0.964

1.001

(0.141,1.350)

(0.158,1.524)

(0.131,2.032)

(0.529,1.211)

(0.482,1.118)

(0.506,1.274)

(0.399,2.303)

(0.391,2.380)

(0.350,2.863)

 

1-7

0.405

0.456

0.331

0.857

0.830

0.876

0.977

0.923

0.875

(0.136,1.208)

(0.150,1.389)

(0.082,1.331)

(0.574,1.280)

(0.554,1.244)

(0.558,1.377)

(0.437,2.184)

(0.407,2.091)

(0.348,2.198)

 

0

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

Reference

P for trend

0.1987

0.3049

0.3759

<.0001

<.0001

0.0004

0.2261

0.2132

0.2269

  1. The reported values indicate odds ratios (95% CI).
  2. Model 1: controlling for age and sex.
  3. Model 2: controlling for marital status, educational level, household income, and a component in Model 1.
  4. Model 3: controlling for chronic disease, BMI, smoking, drinking, and components in Models 1 and 2.
  5. Bold numbers indicate p < 0.05 in final models.