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. 2020 Aug 21;22(8):e19995. doi: 10.2196/19995

Table 2.

Demographic and socioeconomic characteristics of the sample.

Characteristic Participants (N=2949), n (%)
Sex

Male 1440 (48.8)

Female 1509 (51.2)
Age (years)

18-24 786 (26.7)

25-29 549 (18.6)

30-34 653 (22.1)

35-39 477 (16.2)

40-44 189 (6.4)

45-49 138 (4.7)

50-54 79 (2.7)

55-59 53 (1.8)

≥60 25 (0.8)
Marital status

Single 1342 (45.5)

Married 1607 (54.5)
Education

High school graduate or less 727 (24.7)

Professional school 755 (25.6)

Bachelor’s degree 1131 (38.4)

Postgraduate degree 336 (11.4)
Income, ¥ (US $)

<70,000 (10,072) 1030 (35.2)

70,001-100,000 (10,073-14,389) 519 (17.6)

100,001-150,000 (14,390-21,583) 656 (22.2)

150,001-300,000 (21,584-43,167) 479 (16.2)

>300,001 (43,168) 255 (8.6)