Table 2.
Structured multiphase logistic regression model of demographics, causes of injury and injury episodes associated with head, neck, and face injuries (n = 199)
| |
Head, neck, and face injuries |
||
|---|---|---|---|
| OR a | 95% CI b | p | |
|
Phase I (Nagelkerke R square = 0.6%, Hosmer and Lemeshow Test
p =
.92) | |||
|
Age |
|
|
.856 |
| ≤ 29 |
1.0 |
|
|
| 30-49 |
1.2 |
(.5, 2.8) |
|
| ≥ 50 |
.9 |
(.3, 2.7) |
|
|
Race |
|
|
.989 |
| Chinese |
1.0 |
|
|
| Non-Chinese |
1.0 |
(.4, 2.7) |
|
|
Phase II (Nagelkerke R square = 1.2%, Hosmer and Lemeshow Test
p =
1.0) | |||
|
Relationship with perpetrator |
|
|
.604 |
| Married spouse |
1.0 |
|
|
| Cohabitant |
1.6 |
(.6, 4.6) |
|
| Boyfriend but non-cohabitant |
.3 |
(0, 4.8) |
|
| Ex-husband / ex-boyfriend |
1.5 |
(.2, 13.0) |
|
|
Phase III (Nagelkerke R square = 15.1%, Hosmer and Lemeshow Test
p =
.28 | |||
|
Episode of abuse |
|
|
.8 |
| 1
st
|
1.0 |
|
|
| 2
nd
|
1.1 |
(.3, 4.1) |
|
| Multiple |
.7 |
(.3, 2.0) |
|
| Undisclosed |
.6 |
(.2, 2.3) |
|
|
Causes of injury
c
|
|
|
|
| Punching with a fist |
2.4 |
(1.2, 5.1) |
.013* |
| Slapping |
2.6 |
(.8, 8.3) |
.097 |
| Pushing, shoving or grabbing |
1.0 |
(.4, 2.7) |
.930 |
| Weapon use |
.8 |
(.4, 1.9) |
.688 |
| Kicking |
.3 |
(.1, .7) |
.01* |
| Arm or hair twisting |
.5 |
(.2, 1.6) |
.248 |
| Slamming against a wall |
2.1 |
(.4, 10.4) |
.381 |
| Throwing things |
1.2 |
(.2, 6.4) |
.835 |
|
Admission time |
|
|
.429 |
| Day-time |
1.0 |
|
|
| Night-time | 0.8 | (.4, 1.5) | |
Note: aOR refers to odds ratio; bCI refers to confidence interval; Causes of injury; cThe comparators are “no punching with a fist”, “no slapping”, “no pushing, shoving or grabbing”, “no weapon use”, “no kicking”, “no arm or hair twisting”, “no slamming against a wall”, “no throwing things” respectively; *p < 0.05; Tolerance > 0.9 and VIF < 1.1.