Table 2 Demographic and baseline information collected on enrollment
From: Cohort profile: cholangiocarcinoma screening and care program (CASCAP)
Characteristic on enrolment | n (%) |
|---|---|
Gender | |
 Male | 38,066 (44.4) |
 Female | 47,739 (55.6) |
Age (years) | Â |
 40–49 | 33,595 (39.1) |
 50–59 | 29,292 (34.1) |
 60–69 | 16,724 (19.5) |
 70+ | 6316 (7.3) |
Mean (Standard deviation) | 53.82 (9.77) |
Median (Minimum : Maximum) | 52 (40 : 100) |
Educational attainment | |
 No formal education | 1134 (1.3) |
 Primary school | 66,000 (77.5) |
 Secondary school level 1 | 6194 (7.3) |
 Secondary school level 2 | 6639 (7.8) |
 College | 1127 (1.3) |
 Bachelors degree | 3154 (3.7) |
 Masters degree or higher | 931 (1.1) |
Occupation | |
 Unemployed | 2787 (3.3) |
 Farmer | 68,060 (79.9) |
 Labor | 5378 (6.3) |
 Self-employed | 2594 (3.0) |
 Government/state enterprise | 4198 (4.9) |
 Others | 2189 (2.6) |
Number of occasions of fecal examination for liver fluke infection | |
 0 | 31,620 (37.2) |
 1 | 33,667 (39.6) |
 2 | 9806 (11.5) |
 3 | 3033 (3.6) |
 More than 3 | 3504 (4.1) |
 Cannot remember | 3426 (4.0) |
Being found to be infected by liver fluke | |
 Never tested | 32,121 (38.0) |
 Tested but negative | 27,296 (32.3) |
 Tested and positive | 19,962 (23.6) |
 Cannot remember | 5161 (6.1) |
 Rate of liver fluke infection | 47,258 (42.2) |
Relatives diagnosed with cholangiocarcinoma | Â |
 None | 59,562 (70.1) |
 Yes | 25,445 (29.9) |
Ever eaten uncooked or fermented fish (specifically, freshwater with scales) | |
 No | 9271 (10.9) |
 Yes, current or previous | 75,816 (89.1) |