Table 1.
Sociodemographic characteristics of bladder cancer cases (squamous cell carcinoma (SCC) and urothelial cell carcinoma (UC)) in Egyptian men and women.
| Variable | Males | Females | ∗ p value | ||
|---|---|---|---|---|---|
| SCC (N=574) | UC (N=1201) | SCC (N=210) | UC (N=201) | ||
| Age ± SD (years) | 57.2 ± 10.3 | 61.2 ± 10.3 | 53.4 ± 10.8 | 59.2 ± 11.1 | SCC < 0.0001; UC 0.01 |
| Age group (years) | |||||
| ≤45 | 64 (11.1) | 89 (7.4) | 49 (23.4) | 24 (11.9) | |
| >45–≤55 | 182 (31.7) | 259 (21.6) | 83 (39.5) | 46 (22.9) | SCC < 0.0001 |
| >55–≤65 | 206 (35.9) | 421 (35.0) | 53 (25.2) | 73 (36.3) | UC 0.06 |
| >65 | 122 (21.3) | 432 (36.0) | 25 (11.9) | 58 (28.9) | |
| Marital status | |||||
| Not married | 11 (1.9) | 11 (0.9) | 7 (3.3) | 1 (0.5) | SCC 0.2 |
| Married | 563 (98.1) | 1190 (99.1) | 203 (96.7) | 200 (99.5) | UC 0.5 |
| Education | |||||
| None | 458 (79.8) | 804 (67.0) | 193 (91.9) | 177 (88.1) | SCC < 0.0001 |
| Some | 116 (20.2) | 395 (33.0) | 17 (8.1) | 24 (11.9) | UC < 0.0001 |
| Residence | |||||
| North | 36 (6.3) | 176 (14.7) | 27 (12.9) | 28 (13.9) | SCC 0.002 |
| South | 538 (93.7) | 1025 (85.3) | 183 (87.1) | 173 (86.1) | UC 0.6 |
| Urban | 52 (9.1) | 217 (18.1) | 21 (10.0) | 35 (17.4) | SCC 0.6 |
| Rural | 522 (90.9) | 984 (81.9) | 189 (90) | 166 (82.6) | UC 0.8 |
| Smoking | |||||
| None | 99 (17.3) | 144 (12.0) | 203 (96.6) | 196 (97.5) | |
| Waterpipe | 80 (13.9) | 121 (10.1) | 4 (2.0) | 2 (1.0) | SCC < 0.0001 |
| Cigarette | 322 (56.1) | 761 (63.3) | 3 (1.4) | 3 (1.5) | UC < 0.0001 |
| Both | 73 (12.7) | 175 (14.6) | 0 | 0 | |
| Schistosomiasis | |||||
| No | 211 (36.8) | 469 (39.0) | 148 (70.5) | 145 (72.1) | SCC < 0.0001 |
| Yes | 320 (55.7) | 670 (55.8) | 44 (20.9) | 41 (20.4) | UC < 0.0001 |
| Unknown | 43 (7.5) | 62 (5.2) | 18 (8.6) | 15 (7.5) | |
| Secondhand smoke | |||||
| No | 46 (8.0) | 92 (7.7) | 5 (3.5) | 3 (2.5) | SCC 0.06 |
| Yes | 527 (92.0) | 1106 (92.3) | 139 (96.5) | 119 (97.5) | UC 0.03 |
∗Comparison of p value between males and females was done using Student's t-test and χ2 for continuous and categorical variables, respectively. For some variables, the sum does not add up to the total because of missing information.