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Table 2 Distribution of baseline characteristics, stratified by follow-up status and groups of attrition

From: Sample attrition analysis in a prospective cohort study of medical graduates in China

Characteristics Follow-up status   Attrition by groups (vs. complete)
Complete
N (column %)
Incomplete
N (column %)
P-value Always-out
N (column %)
Rejoin
N (column %)
Other
N (column %)
Demographic information 2364 1256   520 276 460
CSP 1495 (63.2%) 546 (43.5%) <0.001 214 (41.2%) *** 136 (49.3%) *** 196 (42.6%) ***
Medical schools
  Qinghai 689 (29.1%) 455 (36.2%) <0.001 205 (39.4%) *** 71 (25.7%) 179 (38.9%) ***
  Guangxi 719 (30.4%) 214 (17.0%) <0.001 80 (15.4%) *** 32 (11.6%) *** 102 (22.2%) ***
  Jiujiang 283 (12.0%) 197 (15.7%) 0.002 65 (12.5%) 73 (26.4%) *** 59 (12.8%)
  Gannan 673 (28.5%) 390 (31.1%) 0.104 170 (32.7%) 100 (36.2%) ** 120 (26.1%)
  Male 1186 (50.2%) 643 (51.5%) 0.454 252 (49.2%) 152 (55.1%) 239 (52.0%)
  Rural background 1584 (67.3%) 769 (61.8%) 0.001 294 (57.6%) *** 182 (66.2%) 293 (63.7%)
  Highest education level for parents were low middle school and below 1431 (60.7%) 703 (56.3%) 0.012 291 (56.8%) 153 (55.4%) 259 (56.3%)
  Father’s occupation=farmer 1260 (53.7%) 544 (43.7%) <0.001 231 (45.3%) *** 122 (44.4%) ** 191 (41.6%) ***
  Enduring pressure from tuition and other fee during school 2157 (93.1%) 1082 (89.4%) <0.001 436 (87.4%) *** 237 (89.8%) 409 (91.5%)
  Four family members and above 955 (40.5%) 417 (33.5%) <0.001 154 (30.2%) *** 87 (31.5%) ** 176 (38.3%)
Attitudes towards medical study
  Studying medicine was first choice 1817 (77.4%) 919 (73.9%) 0.020 375 (73.7%) 203 (73.8%) 341 (74.1%)
  Planning to pursue postgraduate study 1439 (61.2%) 818 (66.1%) 0.004 354 (69.8%) *** 167 (60.7%) 297 (65.3%)
  Willing to participate in residency training 1957 (83.3%) 904 (73.0%) <0.001 374 (73.2%) *** 201 (73.1%) *** 329 (72.6%) ***
  Satisfied with medical education received 1188 (50.3%) 540 (43.4%) <0.001 235 (46.1%) 112 (40.9%) ** 193 (42.0%) **
  Understanding compulsory services program 1385 (92.7%) 499 (91.4%) 0.323 195 (91.1%) 122 (89.7%) 182 (92.9%)
Preferences of career development
  Desired to work in public hospitals above county level after graduation 1554 (65.8%) 844 (67.7%) 0.233 368 (72.2%) ** 171 (62.0%) 305 (66.3%)
  Confident of passing NMLE within one year 1200 (52.2%) 562 (46.7%) 0.002 250 (50.3%) 134 (50.0%) 178 (40.6%) ***
  Income was the primary consideration when applying for jobs 853 (36.2%) 400 (32.2%) 0.017 187 (36.7%) 82 (29.8%) 131 (28.5%) **
  Contract-signing place was hometown 906 (63.4%) 276 (53.8%) <0.001 103 (52.0%) 75 (59.1%) 98 (52.1%) **
Response behaviors in baseline
  Providing scores for university entrance exam 1575 (67.0%) 775 (62.7%) 0.009 279 (54.8%) *** 191 (70.0%) 305 (67.0%)
  Providing contact information 2296 (97.1%) 1160 (92.4%) <0.001 465 (89.4%) *** 256 (92.8%) *** 439 (95.4%) *
  Reporting household income 2250 (95.2%) 1133 (90.2%) <0.001 468 (90.0%) *** 252 (91.3%) ** 413 (89.8%) ***
  1. Notes: (1) Source: Compulsory Services Program 2015-2020 cohort; (2) Chi-square test was used for categorical variables, with p-value reported. *** p<0.001, ** p<0.05, * p<0.01 (3) “Contract-signing place was hometown” and “Understanding compulsory services program” are only for CSP graduates. (4) NMLE, China National Medical Licensing Examination; NA, not applicable