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Summary of the demographic data of the PP population.
| Control toothpaste | Test toothpaste | Total | |
|---|---|---|---|
| Female subjects | 57 (65.5%) | 57 (67.9%) | 114 |
| Male subjects | 30 (34.5%) | 27 (32.1%) | 57 |
| Age of the subjects in years: mean ± standard deviation | 23.4 ± 3.7 | 23.3 ± 3.3 | — |
Age, weight, height, and sex did not differ significantly between groups (two-sided p-values > 0.10; t-test or chi-square test).
