Table 1. Characteristics of the participants and knowledge, attitude, and practice scores and proportion of gingival bleeding on periodontitis among participants in Northeast China (Dec 31, 2024–Jan 7, 2025).
| Characteristics |
Value (n) | Knowledge score | Attitude score | Practice score | Gingival bleeding rate (%) |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean (SD; 95% CI) | P value | Mean (SD; 95% CI) | P value | Mean (SD; 95% CI) | P value | ||||||
| All | 562 | 3.88 (1.55; 3.76-4.01) |
<.01b | 5.28 (1.80; 5.13-5.43) |
<.01b | 5.19 (2.32; 5.00-5.38) |
.14 | 51.42 | |||
| Sex | .03c | .23 | .73 | ||||||||
| Man | 242 | 3.72 (1.44; 3.54-3.90) | 5.19 (1.81; 4.97-5.42) | 5.14 (2.26; 4.85-5.42) | 53.31 | ||||||
| Women | 320 | 4.01 (1.62; 3.83-4.18) | 5.34 (1.79; 5.14-5.54) | 5.22 (2.37; 4.96-5.48) | 50.00 | ||||||
| Age (years) | .02c | .03c | .04c | ||||||||
| 12-17 | 19 | 3.26 (1.91; 2.34-4.18) | 3.68 (2.16; 2.64-4.73) | 6.21 (2.35; 5.08-7.34) | 57.89 | ||||||
| 18-25 | 89 | 4.19 (1.43; 3.89-4.49) | 5.69 (1.25; 5.42-5.95) | 4.67 (2.53; 4.14-5.21) | 51.69 | ||||||
| 26-30 | 65 | 3.14 (1.29; 2.82-3.46) | 4.26 (2.25; 3.7-4.82) | 5.77 (2.04; 5.26-6.28) | 50.77 | ||||||
| 31-40 | 167 | 3.78 (1.46; 3.56-4) | 5.45 (1.54; 5.21-5.68) | 5.49 (2.18; 5.15-5.82) | 56.29 | ||||||
| 41-50 | 99 | 4.63 (1.58; 4.31-4.94) | 6.08 (1.25; 5.83-6.33) | 4.8 (2.38; 4.32-5.27) | 46.46 | ||||||
| 51-60 | 53 | 3.66 (1.39; 3.28-4.04) | 5.79 (1.67; 5.33-6.25) | 4.72 (2.13; 4.13-5.31) | 32.08 | ||||||
| more than 60 | 70 | 3.73 (1.63; 3.34-4.12) | 4.2 (2.03; 3.72-4.68) | 5.2 (2.43; 4.62-5.78) | 60.00 | ||||||
| Region | .05 | .02c | .03c | ||||||||
| Rural areas | 259 | 4.36 (1.42; 4.19-4.53) | 5.71 (1.78; 5.49-5.92) | 4.98 (2.44; 4.68-5.28) | 47.76 | ||||||
| Small cities | 119 | 3.76 (1.46; 3.49-4.02) | 5.26 (1.42; 5-5.52) | 5.97 (2.13; 5.58-6.35) | 52.14 | ||||||
| Midsized cities | 117 | 3.17 (1.63; 2.87-3.47) | 4.52 (1.79; 4.19-4.85) | 5.14 (1.91; 4.79-5.49) | 63.87 | ||||||
| Metropolitan areas | 67 | 3.52 (1.47; 3.16-3.88) | 4.97 (2.01; 4.48-5.46) | 4.67 (2.57; 4.05-5.3) | 46.33 | ||||||
| Education | .03c | .04c | .01b | ||||||||
| High school or below | 143 | 3.88 (1.47; 3.64-4.12) | 5.12 (1.76; 4.83-5.41) | 5.25 (2.28; 4.88-5.63) | 60.84 | ||||||
| Associate | 128 | 3.55 (1.61; 3.27-3.84) | 5.55 (1.46; 5.3-5.81) | 5.57 (2.21; 5.18-5.96) | 44.53 | ||||||
| Bachelor | 217 | 4.07 (1.49; 3.87-4.27) | 5.52 (1.81; 5.27-5.76) | 5.06 (2.22; 4.77-5.36) | 53.46 | ||||||
| Master or above | 74 | 3.92 (1.71; 3.52-4.32) | 4.41 (2.09; 3.92-4.89) | 4.74 (2.77; 4.10-5.39) | 39.19 | ||||||
| Annual incomea | .04c | .01b | .05 | ||||||||
| Low | 62 | 4.31 (1.30; 3.98-4.64) | 4.98 (1.49; 4.61-5.36) | 4.45 (1.79; 4.00-4.91) | 40.32 | ||||||
| Low-middle | 201 | 3.61 (1.65; 3.38-3.84) | 5.35 (1.57; 5.14-5.57) | 5.32 (2.43; 4.98-5.66 | 55.22 | ||||||
| Middle | 194 | 3.85 (1.33; 3.66-4.04) | 5.47 (1.83; 5.22-5.73) | 5.48 (2.28; 5.16-5.81) | 55.67 | ||||||
| High-middle | 68 | 4.09 (1.58; 3.71-4.47) | 5.21 (1.96; 4.73-5.68) | 4.76 (2.18; 4.24-5.29) | 51.47 | ||||||
| High | 37 | 4.49 (2.02; 3.81-5.16) | 4.46 (2.63; 3.58-5.34) | 4.89 (2.71; 3.99-5.79) | 27.03 | ||||||
a
Annual income five groups: less than 30,000 (US $4225), 30,000-80,000 (US $4225-US $11,268), 80,000-150,000 (US $11,268-US $21,127), 150,000-300,000 (US $21,127-US $42,254), and more than 300,000 ( more than US $42,254).
b
**P<0.01.
c
*P<0.05.