Diet, Lifestyles, Family History, and Prostate Cancer Incidence in an East Algerian Patient Group
Table 2
Association between the amount and kind of different food items and the risk of prostate cancer.
Cases, (%)
Controls, (%)
Odds ratio
95% CI
Relative risk
95% CI
value
Number of meals/day
2 to 3 meals
70 (78)
158 (83)
1
>3 meals
20 (22)
32 (17)
1.41
0.75–2.63
1.25
0.84–1.86
0.3238
Fish, time/month
0–2
55 (61)
118 (62)
1
≥3
35 (39)
72 (38)
1.04
0.62–1.74
1.03
0.72–1.45
0.8957
Red meat, time/month
Lamb
0
17 (19)
95 (50)
1
1-2
40 (44)
67 (35)
3.33
1.74–6.37
2.46
1.49–4.06
0.0002
≥3
25 (28)
28 (15)
4.99
2.36–10.53
3.10
1.84–5.24
<0.0001
<0.0001
Beef
0
16 (18)
57 (30)
1
1-2
39 (43)
81 (43)
1.71
0.87–3.36
1.48
0.89–2.45
0.1394
≥3
35 (39)
52 (27)
2.39
1.19–4.83
1.83
1.11–3.03
0.0170
0.013
Animal fat
Never or small part1
37 (41)
127 (67)
1
Medium part1
10 (11)
43 (23)
0.79
0.36–1.74
0.83
0.44–1.56
0.7020
Great part1
43 (48)
20 (10)
7.38
3.87–14.06
3.02
2.17–4.20
<0.0001
<0.0001
Dairy product
Small or medium part2
45 (50)
144 (76)
1
Great part3
45 (50)
46 (24)
3.13
1.84–5.31
2.07
1.49–2.88
<0.0001
Total fruit, time/week
<2
17 (19)
4 (2)
1
2–6
59 (66)
34 (18)
0.40
0.12–1.31
0.78
0.60–1.01
0.198
7–14
14 (15)
152 (80)
0.02
0.00–0.07
0.10
0.06–0.17
<0.0001
<0.0001
Total vegetables, time/week
<7
18 (20)
7 (4)
1
7–13
60 (67)
61 (32)
0.38
0.14–0.98
0.68
0.50–0.93
0.048
≥14
12 (13)
122 (64)
0.03
0.01–0.10
0.12
0.06–0.22
<0.0001
<0.0001
Green tea consumption, cups/day
<1
67 (75)
122 (64)
1
1–3
21 (23)
59 (31)
0.64
0.36–1.15
0.74
0.48–1.12
0.1569
>3
2 (2)
9 (5)
0.40
0.08–1.92
0.51
0.14–1.82
0.2025
0.07
95% CI = 95% confidence interval. Determined using the chi-square test. Determined using the chi-square test for trend; , , and . 1Relative to the total of daily food intake. 2One cup of milk or/with some other product (cheese, yogurt) per day. 3More than 2 cups of milk per day or/with a big quantity of other product (cheese, yogurt).