From: Distribution and Retention Trends of Obstetricians and Gynecologists in Japan: A Longitudinal Study
| 1996 Survey | 2006 Survey | 2016 Survey | ||||
|---|---|---|---|---|---|---|
| Total Subjects, n | 12 402 | 11 783 | 13 154 | |||
| % of all physicians | 5.2 | 4.2 | 4.1 | |||
| Sex, n, % | ||||||
| Male | 10 481 | 84.5% | 9015 | 76.5% | 8473 | 64.4% |
| Female | 1921 | 15.5% | 2768 | 23.5% | 4681 | 35.6% |
| Age, n, % | ||||||
| ≦39 | 3812 | 30.7% | 3201 | 27.2% | 3771 | 28.7% |
| 40-54 | 3620 | 29.2% | 3968 | 33.7% | 4170 | 31.7% |
| 55-69 | 3299 | 26.6% | 2654 | 22.5% | 3739 | 28.4% |
| ≧70 | 1671 | 13.5% | 1960 | 16.6% | 1474 | 11.2% |
| Years of experience, n, % | ||||||
| 0-14 | 4106 | 33.1% | 3336 | 28.3% | 3978 | 30.2% |
| 15-29 | 3567 | 28.8% | 4046 | 34.3% | 4144 | 31.5% |
| 30-44 | 2820 | 22.7% | 2611 | 22.2% | 3502 | 26.6% |
| ≧45 | 1909 | 15.4% | 1790 | 15.2% | 1530 | 11.6% |
| Qualified over 30 years old, n, % | ||||||
| <30 | 8847 | 71.3% | 8621 | 73.2% | 9812 | 74.6% |
| ≧30 | 3555 | 28.7% | 3162 | 26.8% | 3342 | 25.4% |
| Workplace, n, % | ||||||
| Urban | 5855 | 47.2% | 5620 | 47.7% | 6708 | 51.0% |
| Intermediate | 5621 | 45.3% | 5402 | 45.8% | 5756 | 43.8% |
| Rural | 926 | 7.5% | 761 | 6.5% | 690 | 5.2% |
| Institution, n, % | ||||||
| Clinic | 5413 | 43.6% | 5403 | 45.9% | 5342 | 40.6% |
| Academic hospital | 2035 | 16.4% | 1793 | 15.2% | 2328 | 17.7% |
| Other hospital | 4954 | 39.9% | 4587 | 38.9% | 5484 | 41.7% |
From: Distribution and Retention Trends of Obstetricians and Gynecologists in Japan: A Longitudinal Study
| Period and number observed | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1996-1998 | 1998-2000 | 2000-2002 | 2002-2004 | 2004-2006 | 2006-2008 | 2008-2010 | 2010-2012 | 2012-2014 | 2014-2016 | 2016 | |
| Number of baseline OBGYNs, n (%) |
12 402 (100) | 12 457 (100) | 12 371 (100) | 12 329 (100) | 12 156 (100) | 11 783 (100) | 11 960 (100) | 12 368 (100) | 12 707 (100) | 12 888 (100) | 13 154 |
| Still working as physician scientists, n (%) |
10 878 (87.7) | 10 818 (86.8) | 10 684 (86.4) | 10 748 (87.2) | 10 560 (86.9) | 10 329 (87.7) | 10 650 (89) | 11 027 (89.2) | 11 375 (89.5) | 11 618 (90.1) | |
| Change in area of practice, n (%) | 654 (5.3) | 618 (5) | 609 (4.9) | 617 (5) | 584 (4.8) | 502 (4.3) | 358 (3) | 407 (3.3) | 387 (3) | 372 (2.9) | |
| Entered in area of practice, n (%) |
1579 (12.7) | 1553 (12.5) | 1645 (13.3) | 1408 (11.4) | 1223 (10.1) | 1631 (13.8) | 1718 (14.4) | 1680 (13.6) | 1513 (11.9) | 1536 (11.9) | |
| No report, n (%) | 870 (7) | 1021 (8.2) | 1078 (8.7) | 964 (7.8) | 1012 (8.3) | 952 (8.1) | 952 (8) | 934 (7.6) | 945 (7.4) | 898 (7) | |
| Estimated annual retention rate, % | 89.1 | 88.5 | 88.1 | 88.7 | 88.5 | 89.1 | 90.2 | 90.3 | 90.6 | 91.1 | |
| Retention rate by number of years since registration as a physician, % |
|||||||||||
| 0-14 | 90.4 | 89.3 | 88.2 | 89.1 | 88.6 | 89.2 | 89.2 | 90.4 | 90.7 | 91.6 | |
| 15-29 | 93.9 | 93.7 | 93.5 | 93.8 | 93.9 | 93.7 | 94.5 | 94.8 | 94.8 | 94.5 | |
| 30-44 | 87.1 | 86.8 | 87.3 | 87.9 | 88.3 | 90.6 | 91.4 | 91.5 | 91.2 | 92.6 | |
| ≧45 | 81.9 | 81 | 80.5 | 80.5 | 79.4 | 79 | 81.3 | 79.2 | 79.9 | 79.6 | |
From: Distribution and Retention Trends of Obstetricians and Gynecologists in Japan: A Longitudinal Study
| 1996-2006 cohort | 2006-2016 cohort | ||||||
|---|---|---|---|---|---|---|---|
| OR | CI | P-value | OR | CI | P-value | ||
| Sex | Sex | ||||||
| Male | Reference | Male | Reference | ||||
| Female | 0.93 | 0.77-1.12 | 0.44 | Female | 0.85 | 0.69-1.05 | 0.13 |
| Years of experience | Years of experience | ||||||
| 0-14 | Reference | 0-14 | Reference | ||||
| 15-29 | 0.77 | 0.64-0.93 | 0.01 | 15-29 | 1.09 | 0.85-1.41 | 0.50 |
| 30-44 | 0.20 | 0.17-0.25 | <0.01 | 30-44 | 0.32 | 0.25-0.41 | <0.01 |
| ≧45 | 0.14 | 0.11-0.17 | <0.01 | ≧45 | 0.11 | 0.08-0.15 | <0.01 |
| Qualified over 30 years old | Qualified over 30 years old | ||||||
| No | Reference | No | Reference | ||||
| Yes | 0.89 | 0.78-1.02 | 0.10 | Yes | 0.79 | 0.66-0.96 | 0.02 |
| Workplace | Workplace | ||||||
| Urban | Reference | Urban | Reference | ||||
| Intermediate | 0.91 | 0.79-1.04 | 0.16 | Intermediate | 0.93 | 0.79-1.10 | 0.42 |
| Rural | 0.65 | 0.51-0.82 | <0.01 | Rural | 0.59 | 0.43-0.80 | <0.01 |
| Institution | Institution | ||||||
| Clinic | Reference | Clinic | Reference | ||||
| Academic hospital | 0.67 | 0.87-1.31 | <0.01 | Academic hospital | 0.85 | 0.63-1.15 | 0.30 |
| Other hospital | 0.66 | 0.84-1.17 | <0.01 | Other hospital | 0.84 | 0.69-1.01 | 0.07 |
From: Distribution and Retention Trends of Obstetricians and Gynecologists in Japan: A Longitudinal Study
| n | % | |
|---|---|---|
| 1996-2006 cohort | ||
| Total | 1216 | 100 |
| Clinic | 431 | 35.4 |
| Academic hospital | 23 | 1.9 |
| Other hospitals | 327 | 26.9 |
| Others | 435 | 35.8 |
| 2006-2016 cohort | ||
| Total | 691 | 100 |
| Clinic | 231 | 33.4 |
| Academic hospital | 19 | 2.7 |
| Other hospital | 197 | 28.5 |
| Others | 244 | 35.3 |
| n | % | |
| 1996-2006 cohort | ||
| Total | 9792 | 100 |
| OBGYN | 8576 | 87.6 |
| Internal medicine | 480 | 4.9 |
| Psychiatry | 34 | 0.3 |
| Ophthalmology | 29 | 0.3 |
| Pediatrics | 23 | 0.2 |
| Others | 650 | 6.6 |
| 2006-2016 cohort | ||
| Total | 9376 | 100 |
| OBGYN | 8685 | 92.6 |
| Internal medicine | 202 | 2.2 |
| Psychiatry | 25 | 0.3 |
| General surgery | 12 | 0.1 |
| Pediatrics | 11 | 0.1 |
| Others | 441 | 4.7 |
From: Distribution and Retention Trends of Obstetricians and Gynecologists in Japan: A Longitudinal Study
| n | % | |
|---|---|---|
| Total | 13 154 | 100 |
| No certificate | 2314 | 17.6 |
| OBGYN | 10 733 | 81.6 |
| Cytology | 738 | 5.6 |
| Gynecologic tumor | 665 | 5.1 |
| Perinatal care | 475 | 3.6 |
| Reproductive medicine | 449 | 3.4 |
