TABLE 4.
Sensitivity analyses
| Hypertension | Diabetes | |||||
|---|---|---|---|---|---|---|
| Oral hygiene | Cases/n | Incident density/1000 PYs | aHR (95%CI) | Cases/n | Incident density/1000 PYs | aHR (95%CI) |
| Gum bleeding | ||||||
| Never | 818/3746 | 30.39 | 1 | 540/5063 | 14.71 | 1 |
| Sometimes | 307/1619 | 25.85 | .93 (.81, 1.07) | 168/2085 | 10.53 | .83 (.64, 1.04) |
| Always | 38/178 | 30.26 | 1.06 (.76, 1.47) | 28/228 | 16.74 | 1.20 (.80, 1.78) |
| Tooth integrity | ||||||
| Complete | 874/4275 | 28.04 | 1 | 554/5584 | 13.38 | 1 |
| Incomplete | 273/1213 | 32.10 | .89 (.76, 1.03) | 177/1723 | 14.35 | .94 (.78, 1.14) |
| Frequency of tooth brush (times/day) | ||||||
| 0 | 87/245 | 52.38 | 1 | 49/393 | 18.24 | 1 |
| <1 | 94/380 | 35.26 | .79 (.58, 1.08) | 66/532 | 17.58 | 1.07 (.72, 1.59) |
| 1 | 738/3324 | 30.95 | .76 (.59, .98)* | 477/4431 | 14.60 | .95 (.69, 1.31) |
| ≥2 | 244/1599 | 20.43 | .54 (.40, .72)*** | 146/2028 | 9.66 | .64 (.44, .93)* |
| Dental visit for any reasons | ||||||
| <1/year | 42/213 | 27.63 | 1 | 25/272 | 12.58 | 1 |
| ≥1/year | 1098/5217 | 29.15 | 1.10 (.81, 1.52) | 698/6964 | 5.53 | 1.12 (.74, 1.68) |
Note: Adjusted hazard ratio (aHR) adjusted for age (continuous variable), sex, location, ethic group, marriage, occupation, education, smoking status, alcohol use, sport and BMI (kg/m2), baseline hypertension, T2DM, and dyslipidemia; outcome factors were not included.
Cases: The number of outcome events in participants with more than 2 years of follow‐up in the corresponding subgroup.
n: The number of participants with more than 2 years of follow‐up in the corresponding subgroup.
Abbreviations: 95%CI, 95% confidence interval; HR, hazard ratio; PYs, person‐years.
*
p < .05, **p < .01, ***p < .001.