| Experimental toothpaste n = 36 | Positive control toothpaste n = 36 | Negative control toothpaste n = 38 | Overall N = 110 |
---|---|---|---|---|
Male, n (%) | 14 (38.9) | 14 (38.9) | 16 (42.1) | 44 (40.0) |
Mean age, years (range) | 37.9 (18–64) | 41.5 (18–64) | 40.3 (18–62) | 39.9 (18–64) |
Race, n (%) | Â | Â | Â | Â |
 White  African American/African heritage  Asian  Multiple | 25 (69.4) 7 (19.4) 2 (5.6) 2 (5.6) | 25 (69.5) 5 (13.9) 5 (13.9) 1 (2.8) | 19 (50.0) 8 (21.1) 11 (28.9) 0 | 69 (62.7) 20 (18.2) 18 (16.3) 3 (2.7) |
Baseline mean BI score (SD) | 0.217 (0.0828) | 0.224 (0.1166) | 0.207 (0.1390) | 0.216 (0.1148) |
Baseline mean MGI score (SD) | 2.115 (0.0721) | 2.131 (0.0738) | 2.099 (0.0879) | 2.115 (0.0788) |
Baseline mean TPI score (SD) | 2.552 (0.2678) | 2.501 (0.2861) | 2.459 (0.2753) | 2.503 (0.2766) |
Stratification, n (%) | Â | Â | Â | Â |
 Stratum 1: male, baseline NBS < 45  Stratum 2: male, baseline NBS ≥ 45  Stratum 3: female, baseline NBS < 45  Stratum 4: female, baseline NBS ≥ 45 | 13 (36.1) 1 (2.8) 17 (47.2) 5 (13.9) | 12 (33.3) 2 (5.6) 18 (50.0) 4 (11.1) | 14 (36.8) 2 (5.3) 18 (47.4) 4 (10.5) | 39 (35.5) 5 (4.5) 53 (48.2) 13 (11.8) |