Table 2 Correlations between continuous and ordinal categorical covariates (Spearman's rank correlation coefficients), schools in 2016 HPV vaccination program year
From: Measuring school level attributable risk to support school-based HPV vaccination programs
|  | Indigenous student enrolments (%) | Language background other than English student enrolments (%) | School postcode SEIFA IRSD score | School size | Attendance rate (%) | Remoteness (1, major cities – 4, remote) |
|---|---|---|---|---|---|---|
Indigenous student enrolments (%) | ||||||
 Language background other than English student enrolments (%) |  − 0.4742 |  |  |  |  |  |
 School postcode SEIFA IRSD score |  − 0.5447 | 0.2928 |  |  |  |  |
 School size |  − 0.5286 | 0.3557 | 0.4054 |  |  |  |
 Attendance rate (%) |  − 0.7075 | 0.2512 | 0.4518 | 0.4003 |  |  |
 Remoteness (1, major cities – 4, remote) | 0.5991 |  − 0.5787 |  − 0.4975 |  − 0.5529 |  − 0.3299 |  |