| Variables | Number of observations | Mean | Standard deviation |
| Full sample | 10,408 | 0.6533 | 0.4759 | Regional ratio of female doctors (%) | | | | Below 10% | 1,285 | 0.6981 | 0.4593 | Between 10% and 15% | 1,885 | 0.6106 | 0.4877 | Between 15% and 20% | 3,801 | 0.6440 | 0.4789 | Above 20% | 3,437 | 0.6704 | 0.4702 | Age | | | | Below 30 | 1,480 | 0.3986 | 0.4898 | Between 30 and 40 | 2,482 | 0.7562 | 0.4294 | Between 40 and 50 | 2,346 | 0.7856 | 0.4105 | Between 50 and 60 | 1,554 | 0.7452 | 0.4359 | Between 60 and 70 | 1,401 | 0.6196 | 0.4857 | Above 70 | 1,145 | 0.4052 | 0.4912 | Education | | | | Below 6 years | 4,426 | 0.6028 | 0.4894 | Between 6 and 9 years | 1,473 | 0.7610 | 0.4266 | Between 9 and 12 years | 2,546 | 0.7474 | 0.4346 | Between 12 and 16 years | 1,795 | 0.5772 | 0.4941 | Above 16 years | 168 | 0.4286 | 0.4964 | Employment status | | | | Working | 5,114 | 0.6756 | 0.4682 | Not working | 5,294 | 0.6318 | 0.4823 | Marital status | | | | Married | 3,039 | 0.3991 | 0.4898 | Not married | 7,369 | 0.7582 | 0.4282 | Frequent menstrual pain | | | | Yes | 4,840 | 0.6727 | 0.4693 | No | 5,568 | 0.6365 | 0.4811 | Income level (from low to high) | | | | Level 1 | 2,779 | 0.6589 | 0.4742 | Level 2 | 2,180 | 0.5839 | 0.4930 | Level 3 | 1,867 | 0.6942 | 0.4609 | Level 4 | 2,353 | 0.6515 | 0.4766 | Level 5 | 855 | 0.6702 | 0.4704 | Level 6 | 238 | 0.7983 | 0.4021 | Level 7 | 136 | 0.7647 | 0.4258 | Ethnic group | | | | Minan | 7,830 | 0.6487 | 0.4774 | Hakka | 1,384 | 0.6893 | 0.4629 | Mainlander | 852 | 0.6608 | 0.4737 | Others | 342 | 0.5965 | 0.4913 |
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