Table 1.
Description of sample characteristics
| Positive in primary screening | Abnormal in colonoscopy (n = 249) | |||
|---|---|---|---|---|
| Total (n = 572) | HRFQ + (n = 395) | FIT + (n = 227) | ||
| Gender, n (%) | ||||
| Male | 221 (38.6) | 148 (37.5) | 94 (41.4) | 126 (50.6) |
| Female | 351 (61.4) | 247 (62.5) | 133 (58.6) | 123 (49.4) |
| Age, years, mean ± SD | 59.6 ± 7.4 | 59.0 ± 7.2 | 60.5 ± 7.9 | 61.2 ± 7.3 |
| ≤ 60 | 308 (53.8) | 227 (57.5) | 104 (45.8) | 112 (45.0) |
| > 60 | 264 (46.2) | 168 (42.5) | 123 (54.2) | 137 (55.0) |
| Education level, n (%) | ||||
| Primary school or below | 39 (6.8) | 24 (6.1) | 218 (7.9) | 23 (9.2) |
| Middle school | 379 (66.3) | 251 (63.5) | 154 (67.8) | 163 (65.5) |
| College or above | 154 (26.9) | 120 (30.4) | 55 (24.2) | 63 (25.3) |
| Ex-smoker/current smoker, n (%) | 47 (8.2) | 32 (8.1) | 19 (8.4) | 36 (14.5) |
| Alcohol drinking, n (%) | 16 (2.8) | 13 (3.3) | 3 (1.3) | 11 (4.4) |
| History of night work, n (%) | 39 (6.9) | 32 (8.1) | 9 (4.0) | 16 (6.4) |
| Sedentary more than half in work time, n (%) | 168 (29.4) | 117 (29.6) | 74 (32.6) | 83 (33.3) |
| History of diabetes, n (%) | 26 (4.6) | 20 (5.1) | 10 (4.4) | 12 (4.8) |
| BMI, kg/m2, mean ± SD | 23.2 ± 3.5 | 23.2 ± 3.5 | 23.4 ± 4.0 | 23.5 ± 3.9 |
| Overweight or obesity, n (%) | 72 (12.6) | 52 (13.2) | 27 (11.9) | 37 (14.9) |
| High risk factors, n (%) | ||||
| First degree relatives with CRC | 113 (19.8) | 113 (28.6) | 15 (6.6) | 48 (19.3) |
| History of cancer | 29 (5.1) | 29 (7.3) | 6 (2.6) | 11 (4.4) |
| History of polypus | 104 (18.2) | 104 (26.3) | 13 (5.7) | 46 (18.5) |
| Chronic constipation | 147 (25.7) | 133 (33.7) | 37 (16.3) | 52 (20.9) |
| Chronic diarrhea | 137 (24.0) | 124 (31.4) | 29 (12.8) | 53 (21.3) |
| Hematochezia | 148 (25.9) | 142 (35.9) | 29 (12.8) | 60 (24.1) |
| Chronic appendicitis | 61 (10.7) | 54 (13.7) | 9 (4.0) | 27 (10.8) |
| Chronic cholecystitis | 44 (7.7) | 41 (10.4) | 7 (3.1) | 15 (6.0) |
| Psychiatric trauma in the past 20 years | 68 (11.9) | 67 (17.0) | 11 (4.9) | 23 (9.2) |
FIT fecal immunological test; SD standard deviation; BMI body mass index; CRC colorectal cancer