Table 3. Rate Ratios for Being in the Top 5% of Health Care Users in the Last Year of Life, Among All Adult Decedents in Ontario, 2005 to 2013a.
| Variable | All | Men | Women | |||
|---|---|---|---|---|---|---|
| RR (95% CI) | P value | RR (95% CI) | P value | RR (95% CI) | P value | |
| Sexb | ||||||
| Men | 1 [Reference] | NA | NA | NA | NA | NA |
| Women | 0.90 (0.88-0.91) | <.001 | NA | NA | NA | NA |
| Ageb | ||||||
| 18-24 | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA |
| 25-34 | 0.78 (0.68-0.89) | <.001 | 0.81 (0.68-0.97) | .02 | 0.74 (0.61-0.90) | .002 |
| 35-44 | 0.73 (0.65-0.82) | <.001 | 0.68 (0.57-0.79) | <.001 | 0.78 (0.66-0.93) | .004 |
| 45-54 | 0.63 (0.57-0.71) | <.001 | 0.62 (0.53-0.72) | <.001 | 0.65 (0.55-0.76) | <.001 |
| 55-64 | 0.60 (0.54-0.67) | <.001 | 0.61 (0.52-0.70) | <.001 | 0.60 (0.51-0.70) | <.001 |
| 65-74 | 0.52 (0.46-0.57) | <.001 | 0.53 (0.46-0.61) | <.001 | 0.50 (0.43-0.59) | <.001 |
| 75-85 | 0.36 (0.32-0.40) | <.001 | 0.38 (0.33-0.44) | <.001 | 0.33 (0.29-0.39) | <.001 |
| >85 | 0.21 (0.19-0.23) | <.001 | 0.26 (0.22-0.30) | <.001 | 0.17 (0.15-0.20) | <.001 |
| Area income quintileb | ||||||
| 1, lowest | 1 [Reference] | NA | 1 [Reference] | NA | 1 [Reference] | NA |
| 2 | 1.04 (1.01-1.06) | <.001 | 1.02 (0.99-1.06) | .22 | 1.05 (1.01-1.09) | .01 |
| 3 | 0.97 (0.94-1.00) | .03 | 0.97 (0.93-1.00) | .08 | 0.97 (0.93-1.01) | .16 |
| 4 | 0.98 (0.96-1.01) | .20 | 0.99 (0.95-1.03) | .52 | 0.97 (0.93-1.01) | .16 |
| 5, highest | 1.02 (0.99-1.05) | .18 | 1.04 (1.00-1.08) | .03 | 0.98 (0.94-1.03) | .42 |
| Missing | 1.46 (1.32-1.62) | <.001 | 1.67 (1.47-1.90) | <.001 | 1.17 (0.96-1.40) | .10 |
| ADG score, per 1-unit increaseb | 1.27 (1.27-1.28) | <.001 | 1.28 (1.27-1.28) | <.001 | 1.27 (1.26-1.27) | <.001 |
Abbreviations: ADG, Aggregated Diagnosis Group; NA, not applicable; RR, rate ratio.
a
Rate ratios were calculated using modified Poisson model.
b
Likelihood ratio P values for the overall variables in type 3 analysis where P < .001.