Table 1 Demographic characteristics of study subjects.
All Cases N = 533 | Controls N = 560 | SCC Cases N = 125 | UC Cases N = 394 | P | P(SCC) | P(UC) | |
|---|---|---|---|---|---|---|---|
Age, mean (SD) | 59.3(10.9) | 60.1(11.5) | 56.3(10.3) | 60.4(11.0) | 0.25 | <0.001 | 0.70 |
BMI, mean(SD) | 24.8(3.8) | 26.2(4.8) | 24.0(3.7) | 25.0(3.9) | <0.001 | <0.001 | <0.001 |
Gender, N (%) | |||||||
Male | 428(80.3) | 441(78.8) | 85(68.0) | 333(84.5) | |||
Female | 105(19.7) | 119(21.3) | 40(32.0) | 61(15.5) | 0.53 | 0.010 | 0.025 |
Age Distribution, N (%) | |||||||
≤55 | 198(37.2) | 183(32.7) | 59(47.2) | 131(33.3) | |||
56–60 | 91(17.1) | 105(18.8) | 21(16.8) | 67(17.0) | |||
61–67 | 122(22.9) | 136(24.3) | 28(22.4) | 93(23.6) | |||
>68 | 122(22.9) | 136(24.3) | 17(13.6) | 103(26.1) | 0.48 | 0.008 | 0.86 |
Residence, N (%) | |||||||
Urban | 67(12.6) | 29(5.2) | 6(4.8) | 56(14.2) | |||
Rural | 466(87.4) | 530(94.8) | 119(95.2) | 338(85.8) | <0.001 | 0.86 | <0.001 |
Education, N (%) | |||||||
illiteracy | 368(69.2) | 263(47.2) | 100(80.0) | 259(65.9) | |||
Kottab, Literacy class, or Primary school | 120(22.6) | 151(27.1) | 17(13.6) | 99(25.2) | |||
Preparatory or secondary school | 41(7.7) | 119(21.4) | 8(6.4) | 32(8.1) | |||
College or university | 3(0.6) | 24(4.3) | 0(0.0) | 3(0.8) | <0.001 | <0.001 | <0.001 |
Marital Status, N (%) | |||||||
Didn’t marry | 10(1.9) | 9(1.6) | 4(3.2) | 6(1.5) | |||
Married | 466(87.4) | 493(88.0) | 105(84.0) | 349(88.6) | |||
Widowed | 55(10.3) | 56(10.0) | 15(12.0) | 38(9.6) | |||
Divorced or separated | 2(0.4) | 2(0.4) | 1(0.8) | 1(0.3) | 0.98 | 0.49 | 0.99 |
Tobacco Use, N (%) | |||||||
None User | 142(26.6) | 266(47.5) | 43(34.4) | 94(23.9) | |||
Water pipe only | 47(8.8) | 52(9.3) | 13(10.4) | 33(8.4) | |||
Cigarette only | 289(54.2) | 192(34.3) | 60(48.0) | 222(56.4) | |||
Both | 55(10.3) | 50(8.9) | 9(7.2) | 45(11.4) | <0.001 | 0.022 | <0.001 |
Schitosomiasis, N (%) | |||||||
No | 211(44.7) | 280(53.0) | 43(38.7) | 163(46.7) | |||
Yes | 261(55.3) | 248(47.0) | 68(61.3) | 186(53.3) | 0.009 | 0.006 | 0.07 |
