Associations with resignation after starting infertility treatment in those who had worked at initiation of infertility treatment who felt that infertility treatment was incompatible with work
| Variables categories | Multivariable OR (95% CI)* | P value |
| Age (years) | ||
| <35 | 1.00 | |
| 35–39 | 0.81 (0.50 to 1.33) | 0.41 |
| ≥40 | 0.87 (0.53 to 1.43) | 0.58 |
| Educational background† | ||
| Higher | 1.00 | |
| Lower | 1.58 (1.07 to 2.34) | 0.02 |
| Duration of infertility (years)‡ | ||
| <2 | 1.00 | |
| ≥2 | 1.82 (1.15 to 2.89) | 0.01 |
| Employment type at the initiation of infertility treatment | ||
| Permanent worker§ | 1.00 | |
| Non-permanent worker§ | 2.65 (1.61 to 4.37) | <0.001 |
| Self-employed and others | 1.23 (0.70 to 2.15) | 0.47 |
| Harassment experience in workplace due to infertility treatment | ||
| No | 1.00 | |
| Yes | 1.71 (0.98 to 2.99) | 0.06 |
| Infertility treatment-relevant support from company¶ | ||
| Yes | 1.00 | |
| No | 1.91 (1.28 to 2.86) | <0.01 |
Further information regarding the characteristics of patients subanalysed by educational background are shown in online supplemental table 1.
*Each OR was adjusted for all other variables in the table.
†Educational background: university and graduate school as ‘higher educational background’; and junior high school, high school and junior college/technical school/university dropout as ‘lower educational background’.
‡The median duration of infertility.
§Permanent worker defined no fixed end date for their employment; non-permanent worker defined contract and part-time worker; self-employed and other worker.
¶Infertility treatment-relevant support including, but not limited to, reduction in work-hours, hours-leave and flexible working style.