Table 2.
Adjusted odds ratios for inappropriate attendances
| Adjusted odds ratio |
95% confidence interval |
P | |||
|---|---|---|---|---|---|
| Lower | Upper | ||||
|
Logistic regression A
a
| |||||
|
Gender |
Male (Ref) |
1.00 |
- |
- |
|
| |
Female |
0.95 |
0.95 |
0.95 |
<0.001 |
|
IMD quintile |
Least deprived (Ref) |
1.00 |
- |
- |
|
| Fourth most deprived |
0.99 |
0.98 |
0.99 |
<0.001 |
|
| Third most deprived |
0.98 |
0.97 |
0.98 |
<0.001 |
|
| |
Second most deprived |
0.96 |
0.96 |
0.97 |
<0.001 |
| |
Most deprived |
0.89 |
0.89 |
0.90 |
<0.001 |
|
Logistic regression B
b
| |||||
|
Month |
June (Ref) |
1.00 |
- |
- |
|
| July |
1.04 |
1.04 |
1.05 |
<0.001 |
|
| August |
1.04 |
1.03 |
1.05 |
<0.001 |
|
| September |
1.01 |
1.00 |
1.01 |
NS |
|
| October |
0.99 |
0.98 |
0.99 |
<0.01 |
|
| November |
0.98 |
0.97 |
0.98 |
<0.001 |
|
| December |
0.97 |
0.96 |
0.98 |
<0.001 |
|
| |
January |
0.97 |
0.96 |
0.98 |
<0.001 |
| |
February |
0.98 |
0.97 |
0.99 |
<0.001 |
| |
March |
0.99 |
0.99 |
1.00 |
NS |
| |
April |
0.99 |
0.98 |
1.00 |
<0.05 |
| |
May |
0.97 |
0.96 |
0.97 |
<0.001 |
|
Weekday |
Wednesday (Ref) |
1.00 |
- |
- |
|
| Thursday |
0.99 |
0.99 |
1.00 |
<0.001 |
|
| Friday |
0.97 |
0.96 |
0.98 |
<0.001 |
|
| Saturday |
1.10 |
1.09 |
1.11 |
<0.001 |
|
| |
Sunday |
1.09 |
1.09 |
1.10 |
<0.001 |
| |
Monday |
1.02 |
1.01 |
1.03 |
<0.001 |
| |
Tuesday |
1.00 |
0.99 |
1.01 |
NS |
| Special Periods | Bank Holiday |
1.13 |
1.12 |
1.14 |
<0.001 |
| Christmas Period | 0.97 | 0.94 | 0.99 | <0.01 | |
Two separate logistic regression models were used. aVariables controlled for in regression A were gender, deprivation and age (adjusted odds ratio for year of age is included in Figure 1). bVariables controlled for in regression B were month, weekday, hour†, bank holidays and Christmas period (AOR for hour is included in Figure 2). IMD, Index of Multiple Deprivation.