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Principal component analysis (PCA) of quantitative data calculated from correlation matrix.
| Component | Eigen value | Explained variance % | Cumulative explained variance % |
|---|---|---|---|
| 1 | 3.098 | 38.724 | 38.724 |
| 2 | 1.804 | 22.550 | 61.274 |
| Behaviors | Component | ||
| PC1 loadings | PC2 loadings | ||
| Restlessness | 0.830 | 0.387 | |
| Calm behavior | −0.671 | 0.443 | |
| Other anxiety | 0.127 | −0.735 | |
| Vocalizing | 0.809 | 0.394 | |
| Signs of colic | 0.696 | −0.103 | |
| Stereotypic | 0.511 | 0.510 | |
| Eat | −0.085 | −0.772 | |
| Defecate | 0.199 | 0.624 | |
