Table 1.
Characteristics of participants eligible for work-related injuries at injury sentinel monitoring hospitals in Guangzhou, China, by season 2016–2020 (n = 28,540).
| Factors | Total N (%) | Spring N (%) | Summer N (%) | Autumn N (%) | Winter N (%) | P-value |
|---|---|---|---|---|---|---|
| Overall | 28,332 | 6,788 | 9,241 | 7,696 | 4,607 | |
| Sex | ||||||
| Male | 23,761 (83.9) | 5,671 (83.5) | 7,822 (84.6) | 6,434 (83.6) | 3,834 (83.2) | 0.091 |
| Female | 4,571 (16.1) | 1,117 (16.5) | 1,419 (15.4) | 1,262 (16.4) | 773 (16.8) | |
| Age | ||||||
| 18–44 | 18,493 (67.2) | 4,588 (69.5) | 5,963 (66.5) | 4,961 (66.4) | 2,981 (66.4) | <0.001 |
| 45–64 | 9,038 (32.8) | 2,015 (30.5) | 3,005 (33.5) | 2,512 (33.6) | 1,506 (33.6) | |
| Education | ||||||
| Middle school and below | 18,764 (66.2) | 4,495 (66.2) | 6,267 (67.8) | 5,048 (65.6) | 2,954 (64.1) | <0.001 |
| High school and above | 9,566 (33.8) | 2,292 (33.8) | 2,973 (32.2) | 2,648 (34.4) | 1,653 (35.9) | |
| Occupation | ||||||
| Agricultural/technical worker | 4,404 (15.8) | 985 (14.7) | 1,437 (15.8) | 1,215 (16.1) | 767 (17.0) | <0.001 |
| Business/service worker | 5,917 (21.2) | 1,205 (18.0) | 1,948 (21.4) | 1,754 (23.2) | 1,010 (22.4) | |
| Production and transportation equipment operator | 17,560 (63.0) | 4,513 (67.3) | 5,711 (62.8) | 4,594 (60.7) | 2,742 (60.7) | |
| Year | ||||||
| 2016 | 6,032 (21.3) | 1,466 (21.6) | 1,961 (21.2) | 1,676 (21.8) | 929 (20.2) | <0.001 |
| 2017 | 5,796 (20.5) | 1,655 (24.4) | 1,879 (20.3) | 1,442 (18.7) | 820 (17.8) | |
| 2018 | 6,055 (21.4) | 1,429 (21.1) | 1,823 (19.7) | 1,671 (21.7) | 1,132 (24.6) | |
| 2019 | 5,410 (19.1) | 1,198 (17.6) | 1,710 (18.5) | 1,477 (19.2) | 1,025 (22.2) | |
| 2020 | 5,039 (17.8) | 1,040 (15.3) | 1,868 (20.2) | 1,430 (18.6) | 701 (15.2) | |
| Alcohol use | ||||||
| Used | 110 (0.4) | 34 (0.5) | 23 (0.2) | 24 (0.3) | 29 (0.6) | 0.002 |
| Unused | 28,213 (99.6) | 6,751 (99.5) | 9,217 (99.8) | 7,671 (99.7) | 4,574 (99.4) | |
| Household register | ||||||
| Provincial domicile | 5,885 (20.8) | 1,424 (21.1) | 1,816 (19.7) | 1,663 (21.6) | 982 (21.4) | <0.001 |
| City domicile | 6,337 (22.4) | 1,277 (18.9) | 2,305 (25.0) | 1,673 (21.8) | 1,082 (23.6) | |
| Out of province | 16,053 (56.8) | 4,063 (60.1) | 5,112 (55.4) | 4,352 (56.6) | 2,526 (55.0) | |
| Cause of injury | ||||||
| Traffic accident | 438 (1.5) | 95 (1.4) | 144 (1.6) | 124 (1.6) | 75 (1.6) | <0.001 |
| Falls | 5,266 (18.6) | 1,281 (18.9) | 1,576 (17.1) | 1,469 (19.1) | 940 (20.4) | |
| Blunt injury | 10,536 (37.2) | 2524 (37.2) | 3,308 (35.8) | 2,906 (37.8) | 1,798 (39.0) | |
| Sprain | 364 (1.3) | 97 (1.4) | 96 (1.0) | 102 (1.3) | 69 (1.5) | |
| Penetrating injury | 11,728 (41.4) | 2,791 (41.1) | 4,117 (44.6) | 3,095 (40.2) | 1,725 (37.4) | |
| Location of injury | ||||||
| Industrial/building site | 20,551 (72.5) | 5,106 (75.2) | 6,682 (72.3) | 5,492 (71.4) | 3,271 (71.0) | <0.001 |
| Roads/street | 488 (1.7) | 80 (1.2) | 180 (1.9) | 142 (1.8) | 86 (1.9) | |
| Trade and service venue | 5,520 (19.5) | 1,272 (18.7) | 1,729 (18.7) | 1,562 (20.3) | 957 (20.8) | |
| Farm/farmland | 468 (1.7) | 121 (1.8) | 138 (1.5) | 124 (1.6) | 85 (1.8) | |
| School/public place | 1,303 (4.6) | 208 (3.1) | 511 (5.5) | 376 (4.9) | 208 (4.5) | |
| Glass/ceramic/mineral product | 1,672 (7.4) | 313 (5.8) | 706 (9.5) | 487 (7.9) | 166 (4.5) | <0.001 |
| Building/ground/obstacle | 4,241 (18.7) | 1,038 (19.2) | 1,238 (16.6) | 1,179 (19.2) | 786 (21.3) | |
| Metal product | 10,423 (45.9) | 2,443 (45.1) | 3,537 (47.4) | 2,837 (46.2) | 1,606 (43.4) | |
| Equipment | 6,033 (26.5) | 1,551 (28.6) | 1,871 (25.1) | 1,548 (25.2) | 1,063 (28.8) | |
| Biology | 210 (0.9) | 36 (0.7) | 68 (0.9) | 62 (1.0) | 44 (1.2) | |
| Plastic/rubber product | 147 (0.6) | 39 (0.7) | 46 (0.6) | 30 (0.5) | 32 (0.9) | |
| Category of injury | ||||||
| Contusion/sprain/strain | 11,168 (39.5) | 2,896 (42.7) | 3,247 (35.2) | 3,057 (39.8) | 1,968 (42.8) | <0.001 |
| Fracture | 2,791 (9.9) | 701 (10.3) | 833 (9.0) | 744 (9.7) | 513 (11.2) | |
| Brain/internal organ injury | 555 (2.0) | 138 (2.0) | 145 (1.6) | 157 (2.0) | 115 (2.5) | |
| Penetrating/open wound | 13,781 (48.7) | 3,046 (44.9) | 5,006 (54.2) | 3,726 (48.5) | 2,003 (43.6) | |
| Affected body part | ||||||
| Multi-part | 881 (3.1) | 210 (3.1) | 282 (3.1) | 246 (3.2) | 143 (3.1) | <0.001 |
| Torso | 2,587 (9.1) | 617 (9.1) | 780 (8.4) | 739 (9.6) | 451 (9.8) | |
| Upper extremities | 14,838 (52.4) | 3,643 (53.7) | 4,816 (52.1) | 3,885 (50.5) | 2,494 (54.1) | |
| Head | 3,588 (12.7) | 858 (12.6) | 1,088 (11.8) | 1,010 (13.1) | 632 (13.7) | |
| Lower extremities | 6,436 (22.7) | 1,460 (21.5) | 2,274 (24.6) | 1,815 (23.6) | 887 (19.3) | |
| Severity | ||||||
| moderate | 25,906 (91.4) | 6,206 (91.4) | 8,459 (91.5) | 7,048 (91.6) | 4,193 (91.0) | 0.705 |
| severe | 2,425 (8.6) | 582 (8.6) | 781 (8.5) | 648 (8.4) | 414 (9.0) | |
| System involved | ||||||
| Non-movement system | 2,314 (8.2) | 601 (8.9) | 674 (7.3) | 534 (6.9) | 505 (11.0) | <0.001 |
| Movement system | 26,014 (91.8) | 6,184 (91.1) | 8,566 (92.7) | 7,162 (93.1) | 4,102 (89.0) | |
The difference of work-related injuries between seasons was tested by Chi-square. P < 0.05 indicated that there was statistically significant difference in work-related injuries between seasons.