Table 1. Characteristics of the subjects (n=1,640).
| Characteristics | Screening (n=1,640) | P value | |||||
|---|---|---|---|---|---|---|---|
| Failure, n (%) | Success, n (%) | ||||||
| Number of people | 1,008 (61.50) | 632 (38.50) | – | ||||
| Sex | 0.007* | ||||||
| Male | 721 (63.64) | 412 (36.36) | |||||
| Female | 287 (56.61) | 220 (43.39) | |||||
| Age (years) | 0.002* | ||||||
| 18–30 | 541 (60.58) | 352 (39.42) | |||||
| 31–45 | 309 (58.63) | 218 (41.37) | |||||
| 46–571 | 158 (71.82) | 62 (28.18) | |||||
| Ethnicity | 0.822 | ||||||
| Han | 998 (61.49) | 625 (38.51) | |||||
| Minorities | 10 (58.82) | 7 (41.18) | |||||
| Occupation | 0.1693 | ||||||
| Worker | 204 (59.65) | 138 (40.35) | |||||
| National civil servant | 3 (60.00) | 2 (40.00) | |||||
| Farmer | 27 (60.00) | 18 (40.00) | |||||
| Student | 132 (56.90) | 100 (43.10) | |||||
| Professional and technical personnel | 23 (69.70) | 10 (30.30) | |||||
| Freelancer | 230 (57.64) | 169 (42.36) | |||||
| Unemployed | 23 (82.14) | 5 (17.86) | |||||
| Other | 319 (62.67) | 190 (37.33) | |||||
| Missing2 | 47 | 0 | |||||
| Distance between residence location and central institution (km) | 0.491 | ||||||
| <100 | 345 (64.13) | 193 (35.87) | |||||
| 100–200 | 294 (58.57) | 208 (41.43) | |||||
| 200–500 | 239 (61.60) | 149 (38.40) | |||||
| 500–1,000 | 67 (60.91) | 43 (39.09) | |||||
| >1,000 | 63 (61.76) | 39 (38.24) | |||||
1, the oldest recorded age in this study was 57 years; 2, missing indicates people who failed external network screening and voluntarily withdrew (withdrawal of informed consent) or did not provide occupational information; 3, excluding missing occupation information, this signifies whether a significant correlation exists between occupation and screening failure. *, the application of chi-square test, with P value <0.05 as the reference standard.