Copyright
©2006 Baishideng Publishing Group Co.
World J Gastroenterol. Mar 21, 2006; 12(11): 1686-1693
Published online Mar 21, 2006. doi: 10.3748/wjg.v12.i11.1686
Published online Mar 21, 2006. doi: 10.3748/wjg.v12.i11.1686
Table 1 Characteristics among EC cases and controls in Dafeng and Ganyu 1n (%)
Characteristics | Dafeng (high-risk) | Ganyu (low-risk) | P value2 | |||
Case (n=291) | Control (n=291) | Control (n=240) | Case (n=240) | |||
Gender: Male | 200 (68.7) | 200 (68.7) | 181 (75.4) | 181 (75.4) | 0.088 | |
Female | 91 (31.3) | 91 (31.3) | 59 (24.6) | 59 (24.6) | ||
Age (yr) Mean±SD | 64.8 ± 8.6 | 64.6 ± 8.9 | 65.4 ± 10.3 | 65.6 ± 10.4 | 0.002 | |
<50 | 14 (4.8) | 17 (5.8 ) | 19 (7.9) | 17 (7.1) | ||
50-59 | 61 (30.0) | 59 (20.3) | 48 (20.0) | 51 (21.3) | ||
60-69 | 137(47.1) | 137 (47.1) | 78 (32.5) | 76 (31.7) | ||
70-79 | 71 (24.4) | 69 (23.7) | 77 (32.1) | 78 (32.5) | ||
≥80 | 8 (2.8) | 9 (3.1) | 18 (7.5) | 18 (7.5) | ||
Level of education | ||||||
Illiterate | 156 (53.6) | 130 (44.7) | 138 (57.7) | 164 (68.6) | <0.001 | |
Primary school | 95 (32.7) | 119 (40.9) | 63 (26.4) | 54 (22.6) | ||
Secondary school & above | 40 (13.7) | 42 (14.4) | 38 (15.9) | 21 (8.8 ) | ||
Past economic status(By separate cut-off points) | ||||||
Median (CNY/yr) | 1250 | 1500 | 1000 | 775 | 0.235 | |
1 (lowest) | 97 (33.5) | 55 (19.0) | 38 (16.2) | 47 (20.3) | ||
2 | 68 (23.5) | 64 (22.1) | 71 (30.2) | 87 (37.5) | ||
3 | 73 (25.2) | 96 (33.1) | 71 (30.2) | 59 (25.4) | ||
4 (highest) | 52 (17.9) | 75 (25.9) | 55 (23.4) | 39 (16.8) | ||
Smoking status3 | ||||||
Neversmoker | 92 (31.6) | 122 (41.9) | 95 (39.6) | 82 (34.2) | 0.067 | |
Former-smoker | 71 (24.4) | 64 (22.0) | 19 (7.9) | 17 (7.1) | ||
Current smoker | 128 (44.0) | 105 (36.1) | 126 (52.5) | 141 (58.7) | ||
Alcohol drinking status4 | ||||||
Never drinker | 175 (60.1) | 181 (62.2) | 143 (59.6) | 131 (54.6) | 0.076 | |
Former drinker | 5 (1.7) | 7 (2.4) | 7 (2.9) | 7 (2.9) | ||
Current drinker | 111 (38.1) | 103 (35.4) | 90 (37.5) | 102 (42.5) | ||
Encountered misfortune in past10 yr: | ||||||
No | 54 (18.6) | 41 (14.2) | 33 (14.0) | 54 (23.3) | 0.008 | |
Yes | 237 (81.4) | 248 (85.8) | 203 (86.0) | 178 (76.7) | ||
History of family cancer | ||||||
No | 112 (38.5) | 86 (29.6) | 16 (6.7) | 29 (12.1) | <0.001 | |
Yes | 179 (61.5) | 205 (70.5) | 224 (93.3) | 211 (87.9) | ||
Body mass index | ||||||
<18.5 | 60 (20.8) | 27 (9.3) | 18 (7.6) | 31 (13.4) | 0.014 | |
18.5-23.9 | 182 (63.0) | 192 (66.2) | 161 (67.9) | 155 (67.1) | ||
23.9-27.9 | 34 (11.8) | 60 (20.7 ) | 46 (19.4) | 28 (12.1) | ||
≥28 | 13 (4.5) | 11 (3.8) | 12 (5.1) | 17 (7.4) |
Table 2 OR1 and 95% CI of socioeconomic status in EC of Dafeng and Ganyu
Socioeconomic status | Dafeng (high-risk) | Ganyu (low-risk) | |
Level of education | |||
Illiterate | 1.00 (Referent) | 1.00 (Referent) | |
Primary school | 0.54 (0.35-0.84) | 0.58 (0.33-1.03) | |
Secondary school & above | 0.74 (0.39-1.41) | 0.42 (0.21-0.83) | |
P value for trend | 0.08 | 0.008 | |
Past economic status | |||
1 (lowest) | 1.00 (Referent) | 1.00 (Referent) | |
2 | 0.67 (0.43-1.06) | 1.03 (0.61-1.75) | |
3 | 0.44 (0.28-0.68) | 0.76 (0.44-1.31) | |
4 (highest) | 0.39 (0.23-0.65) | 0.73 (0.41-1.28) | |
P value for trend | <0.001 | 0.024 | |
Encountered misfortune in past 10 yr | |||
No | 1.00 (Referent) | 1.00 (Referent) | |
Yes | 1.26 (0.80-1.98) | 1.64 (0.98-2.73) | |
History of family cancer | |||
No | 1.00 (Referent) | 1.00 (Referent) | |
Yes | 1.53 (1.06-2.19) | 2.07 (1.03-4.17) | |
Body mass index | |||
<18.5 | 1.00 (Referent) | 1.00 (Referent) | |
18.5-23.9 | 0.45 (0.26-0.76) | 0.50 (0.28-0.90) | |
23.9-27.9 | 0.26 (0.13-0.50) | 0.36 (0.17-0.75) | |
≥28 | 0.49 (0.18-1.33) | 0.80 (0.33-1.98) | |
P value for trend | 0.002 | 0.376 |
Table 3 OR1 and 95% CI of tobacco smoking in EC of Dafeng and Ganyu
Tobacco smoking | Dafeng (high-risk) | Ganyu (low-risk) | |
Smoking status2 | |||
Former smoker | 1.93 (0.91-4.08) | 1.28 (0.28-5.83) | |
Current smoker | 2.42 (1.28-4.56) | 2.36 (0.89-6.26) | |
P value for trend | 0.005 | 0.07 | |
Duration of smoking (yr)2 | |||
<20 | 2.02 (0.93-4.38) | 1.60 (0.31-7.90) | |
20-34 | 2.32 (1.15-4.67) | 2.25 (0.80-6.35) | |
≥35 | 1.80 (0.62-5.24) | 0.98 (0.29-3.24) | |
P value for trend | 0.016 | 0.249 | |
Duration of smoking (yr)2 | |||
1-29 | 1.61 (0.67-3.86) | 1.44 (0.46-4.42) | |
30-49 | 2.65 (1.28-5.49) | 2.04 (0.60-6.92) | |
≥20 | 2.04 (0.78-5.35) | 1.98 (0.43-9.11) | |
P value for trend | 0.009 | 0.194 | |
Amount of smoking (Cig/d)2 | |||
1-9 | 1.36 (0.50-3.74) | 1.12 (0.27-4.68) | |
10-19 | 2.21 (1.01-4.80) | 1.56 (0.42-5.78) | |
≥20 | 2.04 (1.00-4.18) | 0.91 (0.32-2.61) | |
P value for trend | 0.015 | 0.915 | |
Total consumption of cigarettes2 | |||
1 (lowest) | 1.40 (0.61-3.21) | 0.96 (032-2.82) | |
2 | 2.55 (1.06-6.14) | 3.50 (0.37-32.8) | |
3 | 1.88 (0.79-4.49) | 1.94 (0.25-14.7) | |
4 (highest) | 1.81 (0.57-5.74) | 0.74 (0.19-2.81) | |
P value for trend | 0.029 | 0.959 |
Table 4 OR1 and 95% CI of alcohol drinking in EC of Dafeng and Ganyu
Alcohol drinking | Dafeng (high-risk) | Ganyu (low-risk) | |
Alcohol drinking | |||
Never | 1.00 (Referent) | 1.00 (Referent) | |
Ever | 1.01 (0.70-1.46) | 1.71 (1.02-2.88) | |
P value | 0.964 | 0.043 | |
Age of first drink2 | |||
<20 | 0.83 (0.44-1.58) | 2.59 (1.03-6.50) | |
20-34 | 1.23 (0.79-1.91) | 1.95 (1.08-3.53) | |
≥35 | 0.81 (0.48-1.35) | 1.18 (0.56-2.47) | |
P value for trend | 0.815 | 0.012 | |
Duration of drinking (yr)2 | |||
1-24 | 0.96 (0.56-1.59) | 1.28 (0.58-2.79) | |
25-34 | 0.89 (0.48-1.64) | 1.48 (0.75-2.94) | |
35-44 | 1.57 (0.92-2.70) | 1.47 (0.71-3.01) | |
≥45 | 0.77 (0.43-1.40) | 1.88 (0.95-3.75) | |
P value for trend | 0.834 | 0.061 | |
Alcohol consumption 10 years ago2 (pure ethanol mL/wk) | |||
1-249 | 0.87 (0.49-1.54) | 0.79 (0.36-1.74) | |
250-499 | 1.06 (0.60-1.89) | 0.61 (0.30-1.25) | |
500-749 | 0.97 (0.52-1.79) | 1.63 (0.77-3.43) | |
≥750 | 1.10 (0.63-1.93) | 1.27 (0.71-2.28) | |
P value for trend | 0.74 | 0.223 |
Table 5 OR and 95% CI of dietary habits, food consumption in EC of Dafeng and Ganyu
Dietary factor | County | Category | P value for trend | |||
1 (lowest) | 2 | 3 | 4 (highest) | |||
Food temperature1 | Dafeng | 1 | 0.51 (0.24-1.09) | - | - | 0.08 |
(1-Normal; 2- Hot) | Ganyu | 1 | 1.14 (0.55-2.41) | - | - | 0.714 |
Eating speed1 | Dafeng | 1 | 4.01 (1.87-8.62) | - | - | <0.001 |
(1-Normal; 2-Fast) | Ganyu | 1 | 3.09 (1.24-7.70) | - | - | 0.015 |
Self reported grain fungi pollution1 | Dafeng | 1 | 2.27 (0.79-6.54) | - | - | 0.131 |
(1-Likely; 2-Not likely) | Ganyu | 1 | 1.18 (0.45-3.11) | - | - | 0.741 |
Fresh garlic/wk23 | Dafeng | 1 | 0.64 (0.26-1.60) | - | - | 0.337 |
Ganyu | 1 | 1.17 (0.57-2.41) | - | - | 0.664 | |
Staple foods1 | Dafeng | 1 | 0.45 (0.19-1.10) | 0.54 (0.21-1.38) | 0.73 (0.26-2.04) | 0.474 |
Ganyu | 1 | 0.98 (0.10-9.77) | 0.45 (0.05-4.38) | 0.54 (0.05-4.34) | 0.324 | |
Meat4 | Dafeng | 1 | 0.73 (0.29-1.85) | 1.66 (0.68-4.10) | 1.93 (0.64-5.77) | 0.16 |
Ganyu | 1 | 0.54 (0.12-2.42) | 1.17 (0.28-4.92) | 0.65 (0.11-3.67) | 0.305 | |
Fish and seafood products4 | Dafeng | 1 | 1.14 (0.64-2.03) | 2.11 (1.12-3.96) | 1.91 (1.00-3.64) | 0.023 |
Ganyu | 1 | 0.98 (0.42-2.28) | 0.64 (0.28-1.44) | 1.04 (0.46-2.33) | 0.794 | |
Eggs4 | Dafeng | 1 | 0.53 (0.20-1.44) | 1.23 (0.54-2.80) | 1.99 (0.72-5.49) | 0.146 |
Ganyu | 1 | 0.69 (0.28-1.73) | 0.30 (0.10-1.10) | 0.95 (0.41-2.22) | 0.936 | |
Soybean45 | Dafeng | 1 | 1.81 (0.88-3.74) | - | - | 0.11 |
Ganyu | 1 | 1.31 (0.37-4.59) | - | - | 0.677 | |
Preserved foods4 | Dafeng | 1 | 0.26(0.09-0.75) | 0.49 (0.16-1.46) | 0.94 (0.37-2.36) | 0.635 |
Ganyu | 1 | 1.05 (0.37-2.97) | 0.56 (0.21-1.48) | 1.21 (0.46-3.20) | 0.932 | |
Vegetables4 | Dafeng | 1 | 1.26 (0.50-3.16) | 0.94 (0.39-2.30) | 1.37 (0.49-3.83) | 0.72 |
Ganyu | 1 | 0.34 (0.08-1.54) | 0.80 (0.20-3.18) | 0.76 (0.15-3.72) | 0.889 | |
Fruits2 | Dafeng | 1 | 1.02 (0.42-2.47) | 0.42 (0.16-1.12) | 1.23 (0.51-2. 98) | 0.802 |
Ganyu | 1 | 1.61 (0.68-3.80) | 1.13 (0.43-2.95) | 1.17 (0.41-3.37) | 0.746 |
- Citation: Wu M, Zhao JK, Hu XS, Wang PH, Qin Y, Lu YC, Yang J, Liu AM, Wu DL, Zhang ZF, Frans KJ, Veer PV. Association of smoking, alcohol drinking and dietary factors with esophageal cancer in high- and low-risk areas of Jiangsu Province, China. World J Gastroenterol 2006; 12(11): 1686-1693
- URL: https://www.wjgnet.com/1007-9327/full/v12/i11/1686.htm
- DOI: https://dx.doi.org/10.3748/wjg.v12.i11.1686