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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.
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