Table 1 The response rate of the sub-cohorts by follow-up surveys, stratified by types of graduates N(%)
From: Sample attrition analysis in a prospective cohort study of medical graduates in China
Follow-up surveys | Sub-cohorts | ||||
|---|---|---|---|---|---|
2015 | 2016 | 2017 | 2018 | 2019 | |
—— All —— | |||||
  Baseline N | 620 (100%) | 739 (100%) | 811 (100%) | 749 (100%) | 701 (100%) |
  First | 570 (91.9%) | 577 (78.1%) | 585 (72.1%) | 529 (70.6%) | 612 (87.3%) |
  Second | 424 (68.4%) | 592 (80.1%) | 586 (72.3%) | NA | NA |
  Third | 474 (76.5%) | 493 (66.7%) | NA | NA | NA |
  Fourth | 420 (67.7%) | NA | NA | NA | NA |
—— CSP —— | |||||
 Baseline N | 305 (100%) | 437 (100%) | 481 (100%) | 437 (100%) | 381 (100%) |
  First | 279 (91.5%) | 373 (85.4%) | 352 (73.2%) | 328 (75.1%) | 351 (92.1%) |
  Second | 277 (90.8%) | 383 (87.6%) | 383 (79.6%) | NA | NA |
  Third | 298 (97.7%) | 330 (75.5%) | NA | NA | NA |
  Fourth | 239 (78.4%) | NA | NA | NA | NA |
—— NCSP —— | |||||
  Baseline N | 315 (100%) | 302 (100%) | 330 (100%) | 312 (100%) | 320 (100%) |
  First | 291 (92.4%) | 204 (67.6%) | 233 (70.6%) | 201 (64.4%) | 261 (81.6%) |
  Second | 181 (46.7%) | 209 (69.2%) | 203 (61.5%) | NA | NA |
  Third | 176 (55.9%) | 163 (54.0%) | NA | NA | NA |
  Fourth | 181 (57.5%) | NA | NA | NA | NA |