Table 2.
Description of three categorical variables a entered into 12 linear regression models
| Variables (No. of data points) | % of beds | % of bed days | % of discharges | Average HE stay (d) |
|---|---|---|---|---|
| University HEsb (30) | 40.6 | 40.7 | 38.5 | 4.9 |
| Non-university HEs (102) | 59.4 | 59.3 | 61.5 | 4.5 |
| Health Region 1 (60) | 54.0 | 54.2 | 55.5 | 4.5 |
| Health Region 2 (30) | 20.3 | 20.8 | 20.5 | 4.7 |
| Health Region 3 (18) | 14.3 | 14.5 | 13.8 | 4.8 |
| Health Region 4 (24) | 11.4 | 10.4 | 10.2 | 4.7 |
| HEs < 300 beds (35) | 9.0 | 8.6 | 8.3 | 4.8 |
| HEs 300–600 beds (50) | 31.0 | 31.7 | 33.3 | 4.4 |
| HEs > 600 beds (47) | 60.0 | 59.7 | 58.5 | 4.7 |
132 data points (22 HEsb over 6 years) for each independent variable.
aOf the three categorical variables, only university affiliation was independently associated with antibiotic use in eight of the 12 regression models.
bHE = Health Enterprise.