Skip to main content

Table 1 Sample Characteristics (N=4,876)

From: Who loses more? Identifying the relationship between hospitalization and income loss: prediction of hospitalization duration and differences of gender and employment status

  2011 2012 2013 2014 2015 2016
N % N % N % N % N % N %
Age
 18 ≤ age < 45 1,378 28.26           
 45 ≤ age < 65 2,085 42.76           
 age ≥ 65 1,413 28.98           
Education
 Under elementary school 1,015 20.82 1,010 20.71 1,010 20.71 1,011 20.73 1,012 20.75 1,010 20.71
 Middle school 600 12.31 604 12.39 600 12.31 599 12.28 598 12.26 599 12.28
 High school 1,589 32.59 1,582 32.44 1,582 32.44 1,574 32.28 1,570 32.20 1,568 32.16
 College or higher 1,672 34.29 1,680 34.45 1,684 34.54 1,692 34.70 1,696 34.78 1,699 34.84
Poverty
 Yes 926 18.99 1,022 20.96 1,079 22.13 1,053 21.60 1,051 21.55 1,089 22.33
 No 3,950 81.01 3,854 79.04 3,797 77.87 3,823 78.40 3,825 78.45 3,787 77.67
Marital status
 Married couple 3,480 71.37 3,481 71.39 3,503 71.84 3,512 72.03 3,515 72.09 3,509 71.96
 Widowed 393 8.06 413 8.47 422 8.65 439 9.00 460 9.43 487 9.99
 Divorced or Separated 282 5.78 290 5.95 299 6.13 311 6.38 323 6.62 325 6.67
 Single 721 14.79 692 14.19 652 13.37 614 12.59 578 11.85 555 11.38
Public health insurance
 NHI 4,772 97.87 4,778 97.99 4,761 97.64 4,788 98.20 4,776 97.95 4,782 98.07
 Medical aid 104 2.13 98 2.01 115 2.36 88 1.80 100 2.05 94 1.93
Private health insurance
 Yes 3,177 65.16 3,228 66.20 3,224 66.12 3,345 68.60 3,360 68.91 3,410 69.93
 No 1,699 34.84 1,648 33.80 1,652 33.88 1,531 31.40 1,516 31.09 1,466 30.07
Chronic disease
 Yes 2,036 41.76 2,173 44.57 2,363 48.46 2,236 45.86 2,395 49.12 2,588 53.08
 No 2,840 58.24 2,703 55.43 2,513 51.54 2,640 54.14 2,481 50.88 2,288 46.92
Disability
 Yes 336 6.89 345 7.08 353 7.24 357 7.32 364 7.47 364 7.47
 No 4,540 93.11 4,531 92.92 4,523 92.76 4,519 92.68 4,512 92.53 4,512 92.53
Health status
 Very good 821 16.84 658 13.49 655 13.43 615 12.61 581 11.92 493 10.11
 Good 2,612 53.57 2,714 55.66 2,529 51.87 2,703 55.43 2,665 54.66 2,626 53.86
 Nomal 870 17.84 877 17.99 997 20.45 948 19.44 1,010 20.71 1,070 21.94
 Bad 558 11.44 583 11.96 661 13.56 585 12.00 577 11.83 639 13.11
 Very bad 15 0.31 44 0.90 34 0.70 25 0.51 43 0.88 48 0.98
 bIncome (10,000 won) 2,280.40 2,194.07 2,260.50 2,214.42 2,313.36 2,600.96 2,300.19 2,402.01 2,386.94 2,571.99 2,473.38 2,750.91
Employment arrangement
 Standard 1,777 36.44 1,724 35.36 1,718 35.23 1,708 35.03 1,680 34.45 1,683 34.52
 Non-standard 1,692 34.70 1,376 28.22 1,241 25.45 1,157 23.73 1,159 23.77 1,119 22.95
 Self-employed 1,407 28.86 1,317 27.01 1,215 24.92 1,162 23.83 1,121 22.99 1,085 22.25
 Unpaid family worker, unemployed,
or economic inactivity
- - 459 9.41 702 14.40 849 17.41 916 18.79 989 20.28
Hospitalization (≥3days)
 Yes 375 7.69 436 8.94 415 8.51 435 8.92 459 9.41 470 9.64
 No 4,501 92.31 4,440 91.06 4,461 91.49 4,441 91.08 4,417 90.59 4,406 90.36
Hospitalization (≥7days)
 Yes 294 6.03 352 7.22 331 6.79 332 6.81 339 6.95 359 7.36
 No 4,582 93.97 4,524 92.78 4,545 93.21 4,544 93.19 4,537 93.05 4,517 92.64
Hospitalization (≥14days)
 Yes 157 3.22 211 4.33 205 4.20 204 4.18 215 4.41 234 4.80
 No 4,719 96.78 4,665 95.67 4,671 95.80 4,672 95.82 4,661 95.59 4,642 95.20
  1. amean±standard deviation and range were 55.02±15.16, from 22 to 96
  2. bpresented mean and standard deviation
  3. Note: presented the average of income for 3 years from 2009 to 2011 in baseline (2011).