Table 3.
Epidemiological and clinicopathological characteristics of community 1 and community 2.
| Community 1 | Community 2 | ||
|---|---|---|---|
| Characteristics | (n = 109) | (n = 45) | p-Value |
| Age (mean ± S.D) | 57.57 ± 11.18 | 62.67 ± 10.68 | 0.0100 |
| BMI no. (%) a | 0.7820 | ||
| <20 | 1 (1.02) | 0 (0.00) | |
| 20–25 | 21 (21.43) | 11 (28.21) | |
| 25–30 | 38 (38.78) | 13 (33.33) | |
| >30 | 38 (38.78) | 15 (38.46) | |
| Sex no. (%) b | 0.5372 | ||
| Female | 18 (16.67) | 9 (20.93) | |
| Male | 90 (83.33) | 34 (79.07) | |
| Alcohol Use no. (%) c | 0.0770 | ||
| Never | 5 (5.15) | 3 (7.69) | |
| Former | 17 (17.53) | 13 (33.33) | |
| Current | 75 (77.32) | 23 (58.97) | |
| Smoking Status no. (%) d | 0.0062 | ||
| Never | 55 (56.12) | 11 (28.21) | |
| Former | 38 (38.78) | 22 (56.41) | |
| Current | 5 (5.10) | 6 (15.38) | |
| Case status | 0.0035 | ||
| Case | 29 (26.61) | 23 (51.11) | |
| Control | 80 (73.39) | 22 (48.89) | |
| Site | 0.2341 | ||
| Larynx | 8 (27.59) | 6 (26.09) | |
| Oral Cavity | 7 (24.14) | 11 (47.83) | |
| Oropharynx | 11 (37.93) | 5 (21.74) | |
| Hypopharynx | 0 (0.00) | 1 (4.35) | |
| Nasal cavity, sinus, or skull | 1 (3.45) | 0 (0.00) | |
| Unknown primary | 2 (6.90) | 0 (0.00) | |
| HPV Proxy Variable | 11 (10.09) | 5 (11.11) | 0.8505 |
| Stage | 0.0822 | ||
| 1 and 2 | 13 (44.83) | 5 (21.74) | |
| 3 and 4 | 16 (55.17) | 18 (78.26) |
a 17 missing BMIs: Fisher’s exact test used; b 3 missing sex; c 18 missing values for alcohol use; d 17 missing smoking statuses: Fisher’s exact test used.