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Table 2 Socio-demographic characteristics of the sample

From: A cost-benefit analysis on the specialization in departments of obstetrics and gynecology in Japan

Characteristics n % Characteristics n %
Age (years)    Household size   
Below 20 8 0.7 1 person 1 0.1
20 - 24 72 6.7 2 persons 9 0.8
25 - 29 173 16.0 3 persons 338 31.3
30 - 34 440 40.7 4 persons 431 39.9
35 - 39 297 27.5 5 persons 184 17.0
Over 40 88 8.1 Above 6 persons 113 10.5
No answer 3 0.3 No answer 5 0.5
Educational level    Annual household income   
Senior high school 374 34.6 Below 2 million JP¥ 43 4.0
Technical degree 183 16.9 2 - 3.999 million JP¥ 328 30.3
Undergraduate degree 464 42.9 4 - 5.999 million JP¥ 380 35.2
Master degree 8 0.7 6 - 7.999 million JP¥ 135 12.5
Others 24 2.2 Above 8 million JP¥ 86 8.0
No answer 28 2.6 No answer 109 10.1
Occupation    Number of children   
Full-time employed 187 17.3 1 394 36.6
Part-time employed 159 14.7 2 497 46.1
Student 4 0.4 3 158 14.7
Full-time housewife 727 67.3 Above 4 28 2.6
No answer 4 0.4 No answer 4 0.37
Total observations 1081 100 Total observations 1081 100