Table 2

Factors related to the presence of AODs in trauma patients aged 10–14 years, NPTR, 1990–95

Odds ratio
VariableNo (%) AOD positiveNo (%) AOD negativeCrudeAdjusted
*Time of injury was unknown for 229 patients and was not included in the multivariate logistic regression model because of the large proportion of missing data.
†Significant at p<0.01 level.
‡Significant at p<0.05 level.
Age (years)
    10–1352 (6.1) 807 (93.9)1.01.0
    1464 (12.9) 433 (87.1)2.3†2.1†
Sex
    Female29 (6.8) 398 (93.2)1.01.0
    Male87 (9.4) 842 (90.6)1.41.3
Pre-existing mental disorder
    No97 (7.6)1176 (92.4)1.01.0
    Yes19 (22.9) 64 (77.1)3.6†2.9†
Day of injury
    Monday to Friday73 (7.8) 857 (92.2)1.01.0
    Saturday to Sunday43 (10.1) 383 (89.9)1.31.4
Time of injury*
    6:00 am to 5:59 pm47 (7.7) 565 (92.3)1.0
    6:00 pm to 5:59 am53 (10.3) 462 (89.7)1.4
Mechanism of injury
    Traffic47 (6.5)675 (93.5)1.01.0
    Non-traffic unintentional29 (7.4) 362 (92.6)1.21.0
    Self inflicted 9 (27.3) 24 (72.7)5.4†2.6
    Assault31 (14.8) 179 (85.2)2.5†2.4‡
Scene of injury
    Road58 (7.1) 758 (92.9)1.01.0
    Home28 (13.8) 175 (86.2)2.1†1.5
    Other30 (8.9) 307 (91.1)1.30.9