Table 5.
Multiple classification analysis of intensity of catastrophic medical expenditure for those who arrived alive at study hospitals following road traffic injury
| Variable | Category | Total N = 722* |
Predicted mean out-of-pocket medical expenditure to household annual income ratio |
||||
|---|---|---|---|---|---|---|---|
|
Unadjusted mean |
Adjusted mean† |
||||||
| Mean | Eta | Mean | Beta | P value | |||
| Type of road user‡ |
Pedestrian/cyclist |
216 |
0.241 |
0.050 |
0.206 |
0.061 |
0.255 |
| MTV |
348 |
0.297 |
|
0.313 |
|
|
|
| Others |
145 |
0.177 |
|
0.189 |
|
|
|
| Type of hospital |
Private |
164 |
0.386 |
0.077 |
1.072 |
0.479 |
<0.001 |
| Public |
545 |
0.216 |
|
0.010 |
|
|
|
| Per capita annual household income quartile |
I (lowest) |
192 |
0.454 |
0.136 |
0.495 |
0.160 |
0.001 |
| II |
190 |
0.242 |
|
0.208 |
|
|
|
| III |
150 |
0.134 |
|
0.160 |
|
|
|
| IV (highest) |
177 |
0.158 |
|
0.126 |
|
|
|
| Number of in-patient days |
<4 |
262 |
0.087 |
0.191 |
0.073 |
0.190 |
<0.001 |
| 4 - 7 |
137 |
0.120 |
|
0.154 |
|
|
|
| > 7 |
310 |
0.458 |
|
0.454 |
|
|
|
| Injury severity |
1-4 |
379 |
0.156 |
0.113 |
0.212 |
0.050 |
0.187 |
| >4 |
330 |
0.369 |
|
0.305 |
|
|
|
| Full model | 723 | 0.359 | <0.001 | ||||
*Data missing for 1 case due to non-reporting of annual household income.
†F test value 8.6 and significance <0.001; Goodness of fit: 14%.
‡MTV: motorised two-wheeled vehicles including moped/luna, scooter/scootertte and motorcycle; others include all vehicles other than MTV/ cycle & pedestrians.
¶Data not available for 14 participants.