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Table 1 General characteristics of participants at baseline

From: Subjective life expectancy is a risk factor for perceived health status and mortality

  Total Perceived health status P-value Death P-value
Bad Good No Yes  
N % N % N % N % N %
Subjective life expectancy (point)        <.0001      <.0001
 0 655 6.4 451 68.9 204 31.2   444 67.8 211 32.2  
 10-20 579 5.7 346 59.8 233 40.2   441 76.2 138 23.8  
 30-40 1063 10.4 519 48.8 544 51.2   869 81.8 194 18.3  
 50-60 2781 27.2 959 34.5 1822 65.5   2469 88.8 312 11.2  
 70-80 2740 26.8 559 20.4 2181 79.6   2560 93.4 180 6.6  
 90-100 2426 23.7 349 14.4 2077 85.6   2318 95.6 108 4.5  
Age        <.0001      <.0001
 45-54 3293 32.2 406 12.3 2887 87.7   3227 98.0 66 2.0  
 55-64 2791 27.3 783 28.1 2008 72.0   2630 94.2 161 5.8  
 65-74 2679 26.2 1143 42.7 1536 57.3   2317 86.5 362 13.5  
 ≥ 74 1481 14.5 851 57.5 630 42.5   927 62.6 554 37.4  
Gender             <.0001
 Male 4458 43.5 1043 23.4 3415 76.6   3844 86.2 614 13.8  
 Female 5786 56.5 2140 37.0 3646 63.0   5257 90.9 529 9.1  
Residential region        0.001      0.003
 Metropolitan 1765 17.2 507 28.7 1258 71.3   1605 90.9 160 9.1  
 Urban 2967 29.0 875 29.5 2092 70.5   2645 89.2 322 10.9  
 Rural 5512 53.8 1801 32.7 3711 67.3   4851 88.0 661 12.0  
Education        <.0001      <.0001
  ≤ Elementary 4823 47.1 2294 47.6 2529 52.4   4017 83.3 806 16.7  
 Middle school 1656 16.2 395 23.9 1261 76.2   1534 92.6 122 7.4  
 High school 2708 26.4 374 13.8 2334 86.2   2550 94.2 158 5.8  
 ≥ College 1057 10.3 120 11.4 937 88.7   1000 94.6 57 5.4  
Smoking status        <.0001      <.0001
 Non-smoker 7291 71.2 2413 33.1 4878 66.9   6580 90.3 711 9.8  
 Former smoker 978 9.6 318 32.5 660 67.5   801 81.9 177 18.1  
 Smoker 1975 19.3 452 22.9 1523 77.1   1720 87.1 255 12.9  
Alcohol consumption        <.0001      <.0001
 Nothing 3884 37.9 803 20.7 3081 79.3   3523 90.7 361 9.3  
 Former drinker 689 6.7 370 53.7 319 46.3   536 77.8 153 22.2  
 Drinker 5671 55.4 2010 35.4 3661 64.6   5042 88.9 629 11.1  
Labor        <.0001      <.0001
 Yes 3953 38.6 612 15.5 3341 84.5   3775 95.5 178 4.5  
 No 6291 61.4 2571 40.9 3720 59.1   5326 84.7 965 15.3  
Number of chronic diseasesa        <.0001      <.0001
 0 5470 53.4 775 14.2 4695 85.8   5043 92.2 427 7.8  
 1 2945 28.8 1140 38.7 1805 61.3   2566 87.1 379 12.9  
 2 1265 12.4 789 62.4 476 37.6   1050 83.0 215 17.0  
 ≥ 3 564 5.5 479 84.9 85 15.1   442 78.4 122 21.6  
Total 10,244 100.0 3183 31.1 7061 68.9   9101 88.8 1143 11.2  
  1. aHypertension, diabetes, cancer, chronic obstructive pulmonary disease, liver disease, heart disease, cerebrovascular diseases, mental illness and arthritis or rheumatoid arthritis