Significant predictor variables | \( \hat{\upbeta} \) | CI (95%) | Effect on biomineral activity per g VS as elasticitya |
---|---|---|---|
Annual users per rest area | 0.5 | 0.17, 0.82 | A 25% increase in annual users per rest area corresponds to a 11.7% (3.9, 20.1) increase in biomineral activity |
VS/TS (g g−1) | 0.59 | 0.21, 0.97 | A 25% increase in VS/TS (g g−1) corresponds to a 14.1% (4.8, 24.2) increase in biomineral activity |
Intrasystem location: main drain | 1.24 | 0.83, 1.64 | Compared to samples obtained from cartridges, those obtained from the gallery main drain had a 245% (129, 416) larger geometric mean in biomineral activity |