Oral Biology Research

Table. 6.

Awareness of NHI-coverage of dentures by general characteristics

Variable Answer (n=337) χ2 p-value

Yes No
Sex Male 74 (61.7) 46 (38.3) 2.456 0.117
Female 152 (70.0) 65 (30.0)
Age (y) 20–29 32 (50.0) 32 (50.0) 11.597 0.009
30–39 51 (68.0) 24 (32.0)
40–49 83 (74.8) 28 (25.2)
≥50 60 (69.0) 27 (31.0)
Marital status Married 153 (71.5) 61 (28.5) 5.216 0.022*
Single 73 (59.3) 50 (40.7)
Education ≤High school 61 (69.3) 27 (30.7) 0.287 0.866
University 150 (66.4) 76 (33.6)
≥Graduate school 15 (65.2) 8 (34.8)
Monthly household income (10,000 KRW) ≤199 39 (72.2) 15 (27.8) 6.603 0.158
200 to ≤300 75 (67.6) 36 (32.4)
300 to ≤400 52 (74.3) 18 (25.7)
400 to ≤500 29 (64.4) 16 (35.6)
≥500 31 (54.4) 26 (45.6)

Values are presented as number (%).

NHI, national health insurance.

*p<0.05, p<0.01.

Oral Biol Res 2021;45:135~142 https://doi.org/10.21851/obr.45.03.202109.135
© Oral Biol Res