Table 1 The general characteristics of the study group
From: Prevalence and relevant factors of halitosis in Chinese subjects: a clinical research
|  | N (%) | OS≥2 (%) | P | VSC ≥ 110 (%) | P |
|---|---|---|---|---|---|
Gender | Â | Â | 0.018 | Â | 0.394 |
 Male | 101 (49.3) | 75 (55.6) |  | 38 (45.2) |  |
 Female | 104 (50.7) | 60 (44.4) |  | 46 (54.8) |  |
 Total | 205 | 135 (65.9) |  | 84 (41.0) |  |
Age | Â | Â | 0.105 | Â | 0.448 |
 18–29 | 98 (47.8) | 60 (61.2) |  | 42 (42.9) |  |
 30–40 | 69 (33.7) | 44 (63.8) |  | 23 (33.3) |  |
 41–50 | 24 (11.7) | 18 (75.0) |  | 11 (45.8) |  |
 51–60 | 11 (5.4) | 11 (100.0) |  | 6 (54.5) |  |
 > 60 | 3 (1.5) | 2 (66.7) |  | 2 (66.7) |  |
 Total | 205 | 135 (65.9) |  | 84 (41.0) |  |
Educational attainment | Â | Â | 0.774 | Â | 0.196 |
 Junior high school | 21 (10.2) | 16 (76.2) |  | 13 (61.9) |  |
 High school or technical college | 82 (40.0) | 53 (64.6) |  | 30 (36.6) |  |
 College student | 85 (41.5) | 55 (64.7) |  | 35 (41.2) |  |
 Master’s degree or above | 17 (8.3) | 11 (64.7) |  | 6 (35.3) |  |
 Total | 205 | 135 (65.9) |  | 84 (41.0) |  |