Table 1.
Tea drinking type distribution of the study participants enrolled in a population-based case–control study on esophageal squamous cell carcinoma in Taixing, China (N=3,317)
| Variables | Men (n=2,274)
|
Women (n=1,043)
|
||||
|---|---|---|---|---|---|---|
| Controls (n=1,353) N (%) |
Cases (n=921) N (%) |
P-valuea | Controls (n=609) N (%) |
Cases (n=434) N (%) |
P-valuea | |
| Tea drinking type | ||||||
| Never | 858 (63.41) | 493 (53.53) | <0.001 | 578 (94.91) | 420 (96.77) | 0.144 |
| Green tea | 490 (36.22) | 425 (46.15) | 30 (4.93) | 14 (3.23) | ||
| Oolong tea | 3 (0.22) | 1 (0.11) | 0 (0.00) | 0 (0.00) | ||
| Black tea | 2 (0.14) | 2 (0.22) | 0 (0.00) | 0 (0.00) | ||
| Flower tea | 0 (0.00) | 0 (0.00) | 1 (0.16) | 0 (0.00) | ||
Notes:
a
P-values were derived using Fisher’s exact test for each categorical variable, after excluding the corresponding missing value.