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4. Occupational Diseases

(1) Trends in Occupational Diseases

  The number of patients with occupational diseases that required an absence of four days or more exceeded 20,000 in 1979, but then steadily declined. The figure for 2002 was 7,502, down 4.0% from the preceding year.
  By cause, diseases stemming from occupational injuries came to 5,277 in 2002, representing 70.3% of the total. The number of patients with lumbago caused by accidents was 4,334, representing 82.1%. Patients with pneumoconiosis and its complications represented 12.7% of all patients with occupational diseases diagnosed in 2002.

Fig. 23 Trends in the Number of Occupational Diseases by Industry (1975-2002)


year
1975 1980 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002
Other 3969 3147 3369 3445 2883 3023 3090 2989 3592 3016 2732 2919 2773 2888 2615 3098 2916 3101 3240 3164
Construction 4618 3965 2679 2677 2299 2197 2162 2078 1983 1982 1661 1846 1843 1834 1653 1364 1230 1216 1157 1055
Transportation 2975 2518 1835 2027 1757 2073 1998 1708 1523 1533 1400 1329 1157 1187 1143 1100 963 971 1062 998
Metals 3025 1811 881 870 715 648 725 624 553 564 451 439 418 427 388 490 465 489 428 377
Machinery and instruments 2409 1473 1110 988 878 913 880 785 872 734 572 560 543 490 498 470 418 445 405 364
Mining 1416 1394 974 909 831 789 615 583 572 507 462 539 482 572 543 468 490 480 386 359
Ceramics and earthenware 951 947 600 540 524 504 491 425 435 383 340 344 320 322 306 306 284 272 254 245
Chemicals 938 493 325 351 281 315 273 243 290 289 268 282 235 189 246 221 162 184 176 155
Cargo handling 1166 600 433 406 357 257 259 233 354 217 221 159 131 138 86 87 82 107 85 73
Textiles 413 263 162 182 184 145 176 163 156 134 114 106 113 92 72 87 52 71 50 52

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