Table 4 Independent and interactive effects of iced black tea consumption and citrus peel use on the risk of skin SCC
Intake | OR | |||||
|---|---|---|---|---|---|---|
(95% confidence Interval) | ||||||
Citrus | Iced | Cases | Controls | Adjusted for | Adjusted for age, gender | |
Peel | black tea | No. | No. | Crude | age & gender | & SCC risk factors |
no | no | 60 | 49 | 1 | 1 | 1 |
no | yes | 78 | 62 | 1.02 (0.62 – 1.69) | 1.00 (0.60 – 1.67) | 0.91 (0.46 – 1.45) |
yes | no | 16 | 27 | 0.48 (0.23 – 0.99) | 0.47 (0.22 – 0.99) | 0.32 (0.14 – 0.75) |
yes | yes | 47 | 45 | 0.85 (0.49 – 1.49) | 0.84 (0.48 – 1.50) | 0.58 (0.30 – 1.12) |
P for trend | 0.29 | 0.30 | 0.04 | |||