Table 1.
Sex-based characteristics of the study cohort
| Characteristic | Total (n = 6184) | Male (n = 4869) | Female (n = 1299) | p |
|---|---|---|---|---|
| Age (years), mean | 27.7 | 28.1 | 26.2 | <0.001* |
| Occupation | ||||
| Small business owner | 19.2 % (1184) | 19.6 % (954) | 17.6 % (229) | 0.01 |
| Casual laborer | 18.0 % (1112) | 20.8 % (1012) | 7.5 % (98) | <0.001 |
| Unemployed | 11.1 % (689) | 9.5 % (462) | 17.4 % (226) | <0.001 |
| Student | 10.6 % (654) | 10.0 % (485) | 12.9 % (168) | 0.001 |
| Housewife | 5.7 % (355) | 0.3 % (15) | 26.1 % (339) | <0.001 |
| Twoa | 5.3 % (327) | 6.5 % (318) | 0.6 % (8) | <0.001 |
| Zerob | 3.9 % (241) | 4.1 % (197) | 3.2 % (42) | 0.006 |
| Others | 22.2 % (1372) | 25.2 % (1227) | 10.2 % (132) | |
| Missing | 4.0 % (250) | 4.0 % (194) | 4.5 % (59) | |
| Transport | ||||
| Private vehicle | 47.7 % (2950) | 48.3 % (2355) | 45.3 % (588) | 0.06 |
| Mini-bus | 21.6 % (1334) | 19.5 % (947) | 29.5 % (383) | <0.001 |
| Police | 10.6 % (655) | 11.5 % (561) | 7.2 % (94) | <0.001 |
| Walked | 7.6 % (470) | 7.4 % (362) | 8.2 % (107) | 0.3 |
| Ambulance | 7.6 % (468) | 7.7 % (375) | 7.0 % (91) | 0.4 |
| Others | 3.8 % (235) | 4.6 % (223) | 1.4 % (18) | |
| Missing | 1.1 % (67) | 1.0 % (47) | 1.4 % (18) | |
| Time to presentation (h) | 3.33 ± 97.6 | 3.18 ± 106.6 | 3.78 ± 53.0 | <0.001** |
| Alcohol use | 22.9 % (1413) | 25.6 % (1238) | 13.6 % (175) | <0.001 |
| Injury type | ||||
| Laceration | 50.9 % (3149) | 54.7 % (2662) | 36.8 % (478) | <0.001 |
| Contusion | 28.9 % (1785) | 24.5 % (1194) | 45.2 % (587) | <0.001 |
| Abrasion | 5.6 % (345) | 5.7 % (277) | 5.2 % (68) | 0.6 |
| Penentrating stab | 5.1 % (316) | 5.7 % (278) | 2.9 % (38) | <0.001 |
| Fracture | 4.2 % (258) | 4.3 % (208) | 3.9 % (50) | 0.5 |
| Others | 3.3 % (204) | 3.3 % (161) | 3.2 % (42) | |
| Missing | 2.0 % (126) | 1.8 % (88) | 2.8 % (36) | |
| Injured body part | ||||
| Head or skull | 32.4 % (2001) | 34.6 % (1683) | 24.2 % (314) | <0.001 |
| Face | 21.8 % (1350) | 21.7 % (1055) | 22.4 % (291) | 0.4 |
| Other | 6.2 % (386) | 6.5 % (314) | 5.5 % (72) | 0.3 |
| Chest/T-spine | 6.2 % (381) | 5.8 % (281) | 7.6 % (99) | 0.01 |
| Hand | 4.6 % (284) | 4.6 % (222) | 4.7 % (61) | 0.8 |
| Abdomen/L-spine | 3.2 % (198) | 2.7 % (132) | 5.1 % (66) | <0.001 |
| Forearm | 3.1 % (194) | 2.9 % (142) | 4.0 % (52) | 0.04 |
| Shoulder/clavicle | 2.9 % (176) | 2.7 % (131) | 3.4 % (44) | 0.2 |
| Lower leg | 2.8 % (174) | 2.9 % (139) | 2.7 % (35) | 0.8 |
| Upper arm | 2.6 % (159) | 2.7 % (129) | 2.3 % (30) | 0.5 |
| Neck/C-spine | 2.4 % (149) | 2.0 % (95) | 4.2 % (54) | <0.001 |
| Others | 9.4 % (581) | 8.8 % (428) | 10.6 % (138) | |
| Missing | 2.4 % (146) | 2.1 % (101) | 3.3 % (43) | |
| Injury setting | ||||
| Home | 34.1 % (2109) | 26.7 % (1302) | 62.0 % (805) | <0.001 |
| Road/street | 29.6 % (1830) | 34.0 % (1655) | 12.8 % (166) | <0.001 |
| Public building | 10.9 % (671) | 11.9 % (578) | 7.2 % (93) | <0.001 |
| Work | 9.2 % (569) | 10.9 % (532) | 2.8 % (36) | <0.001 |
| Sport/recreation | 2.4 % (146) | 2.7 % (130) | 1.2 % (16) | 0.003 |
| School | 1.1 % (70) | 1.1 % (55) | 1.2 % (15) | 0.9 |
| Others | 4.3 % (266) | 4.7 % (229) | 3.0 % (39) | |
| Missing | 8.4 % (521) | 8.0 % (390) | 9.8 % (127) | |
| Disposition | ||||
| Outpatient | 86.6 % (5345) | 85.5 % (4161) | 91.1 % (1183) | <0.001 |
| Admitted | 10.5 % (647) | 11.3 % (550) | 7.2 % (93) | <0.001 |
| Died prior to admission | 0.8 % (49) | 0.9 % (46) | 0.2 % (3) | 0.01 |
| Missing | 2.2 % (134) | 2.3 % (112) | 1.5 % (20) |
*
Student’s t test
**
Wilcoxon rank-sum test
a
Describes the occupation of bus driver or bus conductor
b
Describes the occupation of peasant farmer