Cases | Controls | p | ||
---|---|---|---|---|
N = 234 | N= 216 | |||
Mean + SD or % | Mean + SD or % | |||
Age (mean + SD) | 66.6 + 10.4 | 66.2 + 11.1 | 0.75 | |
Male (%) | 59.0% | 57.9% | 0.81 | |
Alcohol a | Yes | 78.7% | 81.8% | 0.53 |
Smoking : | Never | 36.8% | 37.5% | |
Former | 51.7% | 46.8% | ||
Current | 11.5% | 15.7% | 0.36 | |
Hours in Sun d | (h/day) | 1.38 + 0.1 | 1.49 + 0.1 | 0.35 |
AK a | Yes | 78.2% | 37.0% | 0.000 |
Tanning b | Yes | 68.8% | 81.0% | 0.001 |
Freckles c | NO | 50.6% | 61.5% | 0.005 |
Citrus peel use: | Yes | 30.2% | 39.2% | 0.045 |
Hot tea intake: | Yes | 26.1% | 35.7% | 0.028 |
Iced tea intake | Yes | 53.4% | 50.0% | 0.47 |
Kcal/day (mean + | SD) | 1499.9 + 396.3 | 1531.8 + 433.5 | 0.41 |
Antioxidants (mean + SD) | ||||
Retinol (μg/day) | 474.5 + 23.2 | 449.4 + 23.8 | 0.45 | |
β-Carotene (μg/day) | 92.4 + 7.1 | 87.6 + 7.8 | 0.65 | |
α-Carotene (μg/day) | 722.9 + 52.3 | 777.9 + 63.0 | 0.50 | |
Lycopene (μg/day) | 5882.9 + 359.7 | 5440.2 + 419.4 | 0.42 | |
α-Tocopherol (mg/day) | 7.1 + 1.1 | 6.4 + 0.5 | 0.57 | |
Vitamin C (mg/day) | 110.7 + 4.5 | 109.5 + 4.0 | 0.84 |