Table 1.
Distribution of study populations for the fecal occult blood test (FOBT) screening by study variables according to the date colorectal cancer (CRC) programs were implemented. Results from the Spanish National Health Survey 2011.
| SPANISH NATIONAL HEALTH SURVEY 2011 | |||||
|---|---|---|---|---|---|
| Date of FOBT Screening Implementation | |||||
| Variables | Categories | Before 2011 (2679) | 2011–2016 (2105) | After 2016 (904) | Total (5688) |
| N (%) | N (%) | N (%) | N (%) | ||
| Gender | Male | 1330 (49.6) | 1037 (49.3) | 445 (49.2) | 2813 (49.4) |
| Female | 1349 (50.4) | 1068 (50.7) | 459 (50.8) | 2876 (50.6) | |
| Age groups a | Low | 1075 (40.1) | 879 (41.8) | 377 (41.7) | 2331 (41.0) |
| Middle | 770 (28.7) | 582 (27.6) | 265 (29.3) | 1617 (28.4) | |
| High | 834 (31.1) | 644 (30.6) | 262 (29.0) | 1740 (30.6) | |
| Marital status | Married | 2038 (76.1) | 1641 (78.0) | 710 (78.6) | 4390 (77.2) |
| Single | 254 (9.5) | 181 (8.6) | 90 (10.0) | 525 (9.2) | |
| Other | 387 (14.4) | 283 (13.4) | 104 (11.4) | 773 (13.6) | |
| Nationality | Immigrant | 197 (7.4) | 128 (6.1) | 60 (6.6) | 384 (6.8) |
| Spanish | 2482 (92.6) | 1977 (93.9) | 844 (93.4) | 5304 (93.2) | |
| Educational level | Primary studies | 589 (22.4) | 711 (34.5) | 178 (20.0) | 1478 (26.5) |
| Secondary studies | 1690 (64.3) | 1135 (55.2) | 517 (58.1) | 3342 (59.9) | |
| University studies | 351 (13.3) | 212 (10.3) | 194 (21.8) | 757 (13.6) | |
| Social Class | Upper | 520 (19.9) | 368 (17.9) | 231 (26.2) | 1119 (20.2) |
| Median | 988 (37.8) | 665 (32.4) | 336 (38.2) | 1989 (35.8) | |
| Lower | 1107 (42.3) | 1021 (49.7) | 313 (35.6) | 2441 (44.0) | |
| Chronic diseases | 0 | 979 (36.5) | 719 (34.2) | 366 (40.2) | 2062 (36.2) |
| 1 or 2 | 1362 (50.8) | 1096 (52.1) | 436 (48.2) | 2894 (50.9) | |
| 3 or more | 338 (12.6) | 290 (13.8) | 105 (11.6) | 733 (12.9) | |
| Smoker | Yes | 651 (24.3) | 517 (24.6) | 208 (23.2) | 1376 (24.3) |
| No | 2026 (75.7) | 1586 (75.4) | 685 (76.8) | 4297 (75.7) | |
| Alcohol Consumption | Yes | 818 (68.6) | 759 (74.9) | 84 (18.5) | 1945 (73.2) |
| No | 375 (31.4) | 255 (25.1) | 368 (81.5) | 713 (26.8) | |
| Physical Activity | Yes | 1571 (58.7) | 1001 (47.7) | 558 (61.7) | 3229 (56.9) |
| No | 1107 (41.3) | 1100 (52.2) | 343 (38.1) | 2450 (43.1) | |
| Obesity | Yes | 1989 (74.2) | 1362 (64.7) | 683 (75.6) | 1256 (29.1) |
| No | 558 (20.8) | 524 (24.9) | 174 (19.2) | 4034 (70.9) | |
a Age groups are as follows: low: 50–56 years; middle: 57–62 years; high: 63–69 years. FOBT: fecal occult blood test. “N” is referred to number of individuals (frequency) and “%” to percentage in each comparison group.