Table 2. Prevalence ratios (PRs)a of factors associated with a patient receiving three levels of analgesic prescriptions during the last 3 months of life (n=10 202).
|
Level 1
|
Level 2
|
Level 3
|
||||
|---|---|---|---|---|---|---|
| Variable | PR (95% CI) | P | PR (95% CI) | P | PR (95% CI) | P |
| Age (years) | ||||||
| <50 | 1.00 | <0.001 | 1.00 | <0.001 | 1.00 | <0.001 |
| 50–59 | 0.93 (0.83–1.03) | 0.89 (0.77–1.03) | 1.02 (0.93–1.10) | |||
| 60–69 | 0.94 (0.85–1.04) | 0.90 (0.79–1.03) | 0.94 (0.87–1.02) | |||
| 70–79 | 0.89 (0.81–0.98) | 0.82 (0.72–0.93) | 0.84 (0.77–0.90) | |||
| 80–89 | 0.82 (0.73–0.91) | 0.74 (0.65–0.85) | 0.73 (0.66–0.79) | |||
| 90+ | 0.80 (0.67–0.96) | 0.66 (0.52–0.85) | 0.55 (0.45–0.67) | |||
| Gender | ||||||
| Male | 1.00 | 0.46 | 1.00 | 0.09 | 1.00 | 0.002 |
| Female | 0.99 (0.95–1.02) | 1.05 (0.99–1.10) | 1.06 (1.02–1.10) | |||
| Smoking status | ||||||
| Smoker | 1.00 | 0.006 | 1.00 | 0.12 | 1.00 | 0.27 |
| Ex-smoker or unknown | 1.07 (1.03–1.12) | 0.99 (0.93–1.05) | 1.03 (0.99–1.07) | |||
| Never smoker | 1.05 (0.98–1.13) | 0.90 (0.82–1.00) | 0.99 (0.93–1.05) | |||
| Year of death | ||||||
| 2000 | 1.00 | <0.001 | 1.00 | <0.001 | 1.00 | <0.001 |
| 2001 | 1.03 (0.92–1.15) | 1.03 (0.89–1.21) | 1.10 (0.99–1.21) | |||
| 2002 | 1.14 (1.03–1.25) | 1.14 (0.98–1.32) | 1.19 (1.08–1.31) | |||
| 2003 | 1.08 (0.97–1.20) | 1.10 (0.95–1.26) | 1.15 (1.05–1.27) | |||
| 2004 | 1.15 (1.04–1.26) | 1.14 (1.00–1.31) | 1.14 (1.03–1.26) | |||
| 2005 | 1.19 (1.08–1.31) | 1.27 (1.11–1.45) | 1.22 (1.11–1.34) | |||
| 2006 | 1.18 (1.07–1.29) | 1.25 (1.09–1.43) | 1.20 (1.09–1.32) | |||
| 2007 | 1.22 (1.12–1.34) | 1.32 (1.17–1.50) | 1.27 (1.15–1.40) | |||
| 2008 | 1.19 (1.08–1.31) | 1.26 (1.10–1.43) | 1.34 (1.22–1.47) | |||
| Socio-economic status (SES) | ||||||
| 0 (Least deprived) | 1.00 | 0.31 | 1.00 | 0.35 | 1.00 | 0.27 |
| 1 | 0.97 (0.90–1.06) | 1.04 (0.94–1.14) | 0.99 (0.93–1.07) | |||
| 2 | 1.03 (0.96–1.11) | 1.06 (0.95–1.18) | 1.02 (0.95–1.09) | |||
| 3 | 1.03 (0.96–1.10) | 0.99 (0.90–1.10) | 1.04 (0.97–1.12) | |||
| 4 (Most deprived) | 1.05 (0.98–1.12) | 1.08 (0.98–1.19) | 1.06 (0.99–1.13) | |||
| Region | ||||||
| Wales | 1.00 | 0.38 | 1.00 | <0.001 | 1.00 | 0.002 |
| Eastern | 0.99 (0.90–1.10) | 0.87 (0.77–0.99) | 1.06 (0.95–1.18) | |||
| London | 0.99 (0.90–1.10) | 0.87 (0.77–0.99) | 1.06 (0.95–1.18) | |||
| North East | 0.96 (0.86–1.08) | 0.79 (0.69–0.90) | 1.01 (0.90–1.14) | |||
| North West and West Midlands | 1.06 (0.95–1.18) | 0.99 (0.86–1.14) | 1.13 (1.01–1.27) | |||
| Northern Ireland | 1.04 (0.94–1.14) | 0.95 (0.85–1.08) | 1.10 (0.99–1.21) | |||
| Scotland | 1.03 (0.90–1.17) | 1.18 (1.02–1.37) | 1.12 (0.97–1.31) | |||
| Southern | 1.06 (0.95–1.19) | 1.01 (0.87–1.18) | 1.14 (1.02–1.28) | |||
Abbreviation: CI=confidence interval.
a
PRs were estimated using log-binomial regression model, the listed variables in the table were including in the model as the independent variables.