From: Prevalence and relevant factors of halitosis in Chinese subjects: a clinical research
 | N (%) | OS≥2 (%) | P | VSC ≥ 110 (%) | P |
---|---|---|---|---|---|
Smoking | Â | Â | 0.463 | Â | 0.356 |
 Yes | 28(13.7) | 21(75.0) |  | 8(28.6) |  |
 No | 163(79.5) | 104(63.8) |  | 70(42.9) |  |
Used to smoke | 14(6.8) | 10(71.4) | Â | 6(42.9) | Â |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |
Drinking | Â | Â | 0.213 | Â | 0.111 |
 Yes | 49(23.9) | 36(73.5) |  | 16(32.7) |  |
 No | 140(68.3) | 91(65.0) |  | 64(45.7) |  |
 Used to drink | 16(7.8) | 8(50.0) |  | 4(25.0) |  |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |
Preference to sweetmeat | Â | Â | 0.423 | Â | 0.033 |
 Yes | 97(47.3) | 60(61.9) |  | 43(44.3) |  |
 No | 95(46.3) | 67(79.5) |  | 32(33.7) |  |
 Used to | 13(6.3) | 8(61.5) |  | 9(69.2) |  |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |
Preference to spicy foods (garlic, onion, etc.) | Â | Â | 0.588 | Â | 0.564 |
 Often | 13(6.3) | 8(61.5) |  | 7(53.8) |  |
 Sometimes | 91(44.4) | 57(62.6) |  | 35(38.5) |  |
 Only as seasoning | 101(49.3) | 70(69.3) |  | 42(41.6) |  |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |
Xerostomia experience | Â | Â | 0.301 | Â | 0.022 |
 Often | 89(43.4) | 55(61.8) |  | 28(31.5) |  |
 Sometimes | 116(56.6) | 80(69.0) |  | 56(48.3) |  |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |
Psychological stress experience | Â | Â | 0.134 | Â | 0.023 |
 Often | 37(18.0) | 25(67.6) |  | 11(29.7) |  |
 Sometimes | 134(65.4) | 82(61.2) |  | 52(38.8) |  |
 Recently | 9(4.4) | 7(77.8) |  | 7(77.8) |  |
 Never | 25(12.2) | 21(84.0) |  | 14(56.0) |  |
 Total | 205 | 135(65.9) |  | 84(41.0) |  |