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. 2019 Mar 18;6:8. doi: 10.1186/s40621-019-0186-y

Table 3.

Injury severity by injury circumstances, demographic characteristics, eligibility group, and World Trade Center (WTC) exposures, Health and Quality of Life 15 Years after 9/11 Study

Total injureda N = 1003 Severity index
Low (N = 120 (12.7%)) Medium (N = 448 (47.3%)) High (N = 380 (40.1%)) Missing (N = 55)
Characteristic N (%) N (%) N (%) N (%) N
How injury occurred (among injured)b
 Hit by a falling object 98 (9.8) 7 (7.4) 28 (29.5) 60 (63.2) 3
 Trip and fell 200 (19.9) 18 (9.2) 104 (53.3) 73 (37.4) 5
 Hit head on object 83 (8.3) 18 (23.4) 32 (41.6) 27 (35.1) 6
 Came into contact with something hot 133 (13.3) 9 (7.0) 73 (57.0) 46 (35.9) 5
 Descending down stairs 316 (31.5) 27 (9.3) 145 (49.8) 119 (40.9) 25
 Trapped, buried, or crushed 58 (5.8) 3 (5.6) 29 (53.7) 22 (40.7) 4
 Covered by dust/debris/ash/asbestos 17 (1.7) 2 (13.3) 4 (26.7) 9 (60.0) 2
 Unknown or unsure 98 (9.8) 36 (38.7) 33 (35.5) 24 (25.8) 5
Injury type countc as measured at Wave 1
 1 624 (62.2) 85 (14.5) 316 (53.7) 187 (31.8) 0
 2 270 (26.9) 28 (10.9) 110 (43.0) 118 (46.1) 0
 3 75 (7.5) 7 (10.0) 16 (22.9) 47 (67.1) 0
 4 28 (2.8) 0 (0.0) 6 (21.4) 22 (78.6) 0
 5 6 (0.6) 0 (0.0) 0 (0.0) 6 (100.0) 0
Age at 9/11 (years)
 16–34 181 (18.1) 15 (8.8) 85 (49.7) 71 (41.5) 10
 35–49 578 (57.6) 67 (12.3) 262 (48.1) 216 (39.6) 33
  ≥ 50 244 (24.3) 38 (16.4) 101 (43.5) 93 (40.1) 12
Sex
 Men 614 (61.2) 79 (13.8) 244 (42.7) 249 (43.5) 42
 Women 389 (38.8) 41 (10.9) 204 (54.3) 131 (34.8) 13
Race/ Ethnicity
 White 715 (71.3) 88 (13.1) 310 (46.3) 272 (40.6) 45
 Black 112 (11.2) 12 (11.3) 54 (50.9) 40 (37.7) 6
 Latino 117 (11.7) 18 (15.8) 53 (46.5) 43 (37.7) 3
 Asian 31 (3.1) 0 (0.0) 14 (45.2) 17 (54.8) 0
 Other race 28 (2.8) 2 (7.4) 17 (63.0) 8 (29.6) 1
Employed on 9/11
 No 28 (2.8) 6 (21.4) 12 (42.9) 10 (35.7) 0
 Yes 974 (97.2) 114 (12.4) 436 (47.4) 369 (40.2) 55
Eligibility group
 Rescue and recovery worker 423 (42.2) 53 (13.8) 161 (41.8) 171 (44.4) 38
  Date of arrival: 9/11/01d 324 (77.5) 41 (13.8) 122 (41.1) 134 (45.1) 27
  Date of arrival: 9/12/01 34 (8.1) 3 (12.0) 12 (48.0) 10 (40.0) 9
  Date of arrival: 9/13/01–9/17/01 30 (7.2) 7 (24.1) 11 (37.9) 11 (37.9) 1
  Date of arrival: 9/18/01 and later 30 (7.2) 1 (3.4) 13 (44.8) 15 (51.7) 1
  Total number of days worked: 1–7 daysd 111 (27.2) 15 (13.9) 44 (40.7) 49 (45.4) 3
  Total number of days worked: 7.5–30 days 100 (24.5) 15 (16.3) 36 (39.1) 41 (44.6) 8
  Total number of days worked: 30.5–90 days 104 (25.5) 10 (11.5) 41 (47.1) 36 (41.4) 17
  Total number of days worked: ≥90.5 days 93 (22.8) 11 (13.3) 35 (42.2) 37 (44.6) 10
 Lower Manhattan resident 66 (6.6) 12 (18.5) 35 (53.8) 18 (27.7) 1
 Lower Manhattan area worker/passerby 514 (51.3) 55 (11.0) 252 (50.6) 191 (38.4) 16
WTC exposure score
 None/low 25 (2.5) 5 (21.7) 15 (65.2) 3 (13.0) 2
 Medium 228 (22.7) 45 (20.8) 107 (49.5) 64 (29.6) 12
 High 491 (49.0) 55 (11.9) 216 (46.7) 192 (41.5) 28
 Very high 259 (25.8) 15 (6.1) 110 (44.7) 121 (49.2) 13

aIncludes only those with consistent reports of injury across Wave 1 and the HQoL Study

bParticipants were asked specifically about their most serious injury received on 9/11

cCount of the following injury types: cut, broken bone, burn, concussion, sprain

dAmong rescue/recovery workers, date of arrival and number of days worked refer to rescue and recovery work at the World Trade Center site