Table 1.
Demographics of the study cohort.
| Ethnicity | Participants (n) | Age (years) (m ± sd) | Gender (n) | Daily brush frequency (m ± sd)* | Plaque index (n)** | DMFT(t) (n)*** | |||
|---|---|---|---|---|---|---|---|---|---|
| Female | Male | Low | High# | Low | High# | ||||
| African American | 26 | 7.6 ± 1.5 | 10 | 16 | 1.0 ± 0.8 | 14 | 12 (46.2%) | 7 | 19 (73.1%) |
| Burmese | 19 | 7.7 ± 1.3 | 7 | 12 | 0.7 ± 0.8 | 2 | 17 (89.5%) | 12 | 7 (36.8%) |
| Caucasian | 26 | 7.7 ± 1.5 | 12 | 14 | 1.2 ± 0.6 | 14 | 12 (46.2%) | 22 | 4 (15.4%) |
| Hispanic | 25 | 7.6 ± 1.3 | 14 | 11 | 1.4 ± 0.6 | 9 | 16 (64%) | 16 | 9 (36.0%) |
| Total | 96 | 7.7 ± 1.4 | 43 | 53 | 1.1 ± 0.7 | 39 | 57 (59.4%) | 57 | 39 (40.6%) |
*p = 0.03; **p = 0.01; ***p = 0.008.
#Proportions of high plaque index or high DMFT(t) are indicated in the bracket for any given ethnicity.