Youth | Adult | |||||
---|---|---|---|---|---|---|
Day | Night | Day | Night | |||
N (Row%) | 444 (87%) | 66 (13%) | 1020 (71%) | 407 (29%) | ||
Variable | n (Col%)a | n (Col%)a | p value | n (Col%)a | n (Col%)a | p value |
Sex | ||||||
Male | 318 (72%) | 40 (62%) | 0.085 | 843 (83%) | 327 (81%) | 0.29 |
Female | 124 (28%) | 25 (38%) | 174 (17%) | 79 (19%) | ||
Seating | ||||||
Operator | 256 (65%) | 31 (65%) | 0.29 | 760 (91%) | 268 (82%) | < 0.0001 |
Passenger | 100 (28%) | 17 (35%) | 78 (9%) | 59 (18%) | ||
Helmet | ||||||
Yes | 61 (21%) | 7 (16%) | 0.46 | 101 (17%) | 25 (10%) | 0.011 |
No | 227 (79%) | 36 (84%) | 498 (83%) | 224 (90%) | ||
Alcoholb | ||||||
Positive | 6 (2%) | 2 (5%) | 0.60c | 93 (13%) | 133 (44%) | < 0.0001 |
Negative | 242 (98%) | 35 (95%) | 609 (87%) | 168 (56%) | ||
Not tested/Unknown | 111 | 18 | 171 | 52 | ||
Season | ||||||
Winter | 27 (6%) | 3 (5%) | 0.021 | 101 (10%) | 52 (13%) | 0.046 |
Spring | 121 (27%) | 9 (14%) | 267 (26%) | 92 (23%) | ||
Summer | 205 (46%) | 31 (47%) | 429 (42%) | 154 (38%) | ||
Fall | 91 (20%) | 23 (35%) | 223 (22%) | 109 (27%) | ||
Weekday | ||||||
Weekday (Mon-Thu) | 162 (36%) | 18 (27%) | 0.14 | 379 (37%) | 99 (24%) | < 0.0001 |
Weekend (Fri-Sat) | 282 (64%) | 48 (73%) | 641 (63%) | 308 (76%) | ||
Location | ||||||
Roadway | 159 (44%) | 27 (56%) | 0.10 | 386 (46%) | 173 (52%) | 0.074 |
Off-road | 204 (56%) | 21 (44%) | 450 (54%) | 160 (48%) | ||
Road surface | ||||||
Paved | 53 (41%) | 15 (65%) | 0.032 | 163 (47%) | 59 (39%) | 0.11 |
Unpaved | 76 (59%) | 8 (35%) | 186 (53%) | 92 (61%) | ||
Crash mechanism | ||||||
ATV-ATV collision | 25 (7%) | 9 (17%) | 0.0042 | 30 (3%) | 24 (7%) | 0.0002 |
ATV-MV collision | 59 (16%) | 2 (4%) | 121 (14%) | 26 (7%) | ||
ATV-Object collision | 53 (14%) | 12 (22%) | 97 (11%) | 56 (16%) | ||
Non-collision | 241 (64%) | 31 (57%) | 632 (72%) | 251 (70%) | ||
Fell/Ejected | ||||||
Yes | 133 (65%) | 24 (67%) | 0.86 | 268 (60%) | 108 (67%) | 0.14 |
No | 71 (35%) | 12 (33%) | 175 (40%) | 53 (33%) | ||
Hit/Pinned | ||||||
Yes | 42 (18%) | 7 (19%) | 0.82 | 146 (26%) | 37 (17%) | 0.008 |
No | 193 (82%) | 29 (81%) | 425 (74%) | 185 (83%) | ||
Fatality | ||||||
Yes | 15 (3%) | 0 (0%) | 0.24c | 54 (5%) | 30 (7%) | 0.13 |
No | 429 (97%) | 66 (100%) | 962 (95%) | 374 (93%) |