Factors associated with time to claim closure (n=1442)*
| Univariate | Multivariable | |||
|---|---|---|---|---|
| HR (99% CI) | p Value | Adjusted HR (99% CI) | p Value | |
| Baseline predictors | ||||
| Age categories in years | <0.001 | <0.001 | ||
| 15 to <25 | 1.00 | 1.00 | ||
| 25 to <35 | 0.88 (0.65 to 1.19) | 0.79 (0.58 to 1.09) | ||
| 35 to <45 | 0.78 (0.59 to 1.04) | 0.70 (0.52 to 0.95) | ||
| 45 to <55 | 0.76 (0.56 to 1.02) | 0.67 (0.49 to 0.91) | ||
| 55–65 | 0.56 (0.40 to 0.80) | 0.52 (0.36 to 0.74) | ||
| Gender | 0.114 | 0.446 | ||
| Females | 1.09 (0.95 to 1.26) | 0.96 (0.82 to 1.12) | ||
| Males | 1.00 | 1.00 | ||
| First language | 0.137 | 0.312 | ||
| English | 1.00 | 1.00 | ||
| Other | 0.83 (0.59 to 1.15) | 0.88 (0.63 to 1.23) | ||
| Predisability income in dollars per week | ||||
| At 60 days | ||||
| ≤480 | 1.00 | – | 1.00 | – |
| 481–694 | 1.09 (0.89 to 1.34) | 0.273 | 1.03 (0.83 to 1.27) | 0.749 |
| 695–920 | 1.13 (0.92 to 1.39) | 0.137 | 0.96 (0.77 to 1.21) | 0.678 |
| >920 | 1.08 (0.88 to 1.33) | 0.326 | 0.93 (0.74 to 1.18) | 0.443 |
| At 180 days | ||||
| ≤480 | 1.00 | – | 1.00 | – |
| 481–694 | 0.89 (0.68 to 1.17) | 0.267 | 0.89 (0.67 to 1.17) | 0.266 |
| 695–920 | 0.84 (0.63 to 1.12) | 0.115 | 0.73 (0.54 to 0.98) | 0.006 |
| >920 | 0.72 (0.54 to 0.97) | 0.004 | 0.63 (0.46 to 0.86) | <0.001 |
| At 365 days | ||||
| ≤480 | 1.00 | – | 1.00 | – |
| 481–694 | 0.65 (0.36 to 1.18) | 0.064 | 0.71 (0.38 to 1.31) | 0.147 |
| 695–920 | 0.53 (0.28 to 1.02) | 0.012 | 0.47 (0.24 to 0.91) | 0.003 |
| >920 | 0.39 (0.20 to 0.75) | <0.001 | 0.34 (0.17 to 0.68) | <0.001 |
| Early reimbursement for opioid prescription (within the first 28 days) | <0.001 | <0.001 | ||
| Yes | 0.62 (0.48 to 0.80) | 0.68 (0.53 to 0.88) | ||
| No | 1.00 | 1.00 | ||
| Prior claims | 0.306 | 0.709 | ||
| Yes | 1.07 (0.91 to 1.26) | 1.03 (0.86 to 1.22) | ||
| No | 1.00 | 1.00 | ||
| Union membership | <0.001 | 0.016 | ||
| Yes | 1.29 (1.11 to 1.50) | 1.14 (0.96 to 1.35) | ||
| No | 1.00 | 1.00 | ||
| Missing | 1.34 (1.07 to 1.68) | 1.27 (1.01 to 1.59) | ||
| Employer RTW programme | <0.001 | <0.001 | ||
| Yes | 1.73 (1.43 to 2.09) | 1.78 (1.45 to 2.18) | ||
| No | 1.00 | 1.00 | ||
| Missing | 1.17 (0.87 to 1.58) | 1.17 (0.86 to 1.59) | ||
| Doubt work relatedness | 0.174 | 0.138 | ||
| Yes | 0.94 (0.76 to 1.16) | 0.88 (0.71 to 1.08) | ||
| No | 1.00 | 1.00 | ||
| Missing | 1.13 (0.92 to 1.39) | 1.08 (0.87 to 1.33) | ||
| Early reimbursement for chiropractic care | ||||
| At 60 days | 1.19 (0.99 to 1.45) | 0.017 | 1.15 (0.94 to 1.41) | 0.067 |
| At 180 days | 0.91 (0.65 to 1.24) | 0.437 | 0.90 (0.65 to 1.24) | 0.392 |
| At 365 days | 0.60 (0.29 to 1.23) | 0.067 | 0.61 (0.29 to 1.29) | 0.089 |
| Early reimbursement for physiotherapy | 0.98 (0.84 to 1.15) | 0.726 | 1.01 (0.86 to 1.19) | 0.848 |
Early reimbursement for chiropractic or physiotherapy=3 or more treatments received within the first 28 days.
*HR>1 indicates faster claim closure.
RTW, return to work.