Table 1 Respondents’ demographic characteristics
From: Knowledge of and attitudes towards erosive tooth wear among students of two Chinese universities
Characteristics |  | Age (Mean ± SD) | Knowledge score (Mean ± SD) | P-value | Attitude score (Mean ± SD) | P-value |
|---|---|---|---|---|---|---|
Gender | Male (n = 192) | 22.5 ± 1.6 | 7.6 ± 4.7 | 0.825 | 41.7 ± 7.6 | < 0.001 (Female>Malea) |
Female (n = 256) | 22.2 ± 1.7 | 7.6 ± 4.7 | 43.5 ± 6.0 | |||
Group | NSs (n = 141) | 22.7 ± 1.5 | 5.5 ± 4.0 | < 0.001 (DSs > NSs, MSsa) | 41.1 ± 6.9 | < 0.001 (DSs > NSs, MSsa) |
DSs (n = 154) | 22.5 ± 1.2 | 11.5 ± 3.4 | 45.2 ± 6.5 | |||
MSs (n = 140) | 223 ± 1.6 | 6.1 ± 4.0 | 41.8 ± 6.4 |