Research Article

Longitudinal Association between Periodontitis and the Risk of Hypertension

Table 5

Incidence rate ratios relating periodontitis and the development of prehypertension/hypertension during the follow-up within subgroups defined by baseline characteristics.

SubgroupsNIRR+ (95% CI)
Mild periodontitisModerate periodontitisSevere periodontitis

Age
 <554241.11 (0.67, 1.83)0.93 (0.62, 1.39)1.27 (0.81, 1.99)
 ≥551161.22 (0.16, 9.58)1.16 (0.51, 2.67) (1.19, 7.49)
Sex
 Male1191.68 (0.62, 4.56)0.59 (0.22, 1.56)0.60 (0.18, 2.04)
 Female4210.84 (0.46, 1.53)0.92 (0.63, 1.36) (1.03, 2.34)
Smoking
 Never3320.80 (0.39, 1.63)0.70 (0.44, 1.10)1.47 (0.92, 2.36)
 Ever2082.05 (0.85, 4.96)1.63 (0.73, 3.63)1.74 (0.79, 3.84)
Physical activity
 No2451.04 (0.43, 2.49)0.96 (0.54, 1.73)1.40 (0.71, 2.77)
 Yes2951.26 (0.69, 2.31)0.97 (0.59, 1.60)1.49 (0.91, 2.43)
BMI
 Overweight2321.52 (0.63, 3.63)1.14 (0.59, 2.23)1.47 (0.67, 3.21)
 Obese3081.15 (0.62, 2.14)0.87 (0.57, 1.34) (1.02, 2.35)
Antihypertensive medication use
 No5211.13 (0.65, 1.98)0.98 (0.65, 1.47)1.43 (0.93, 2.21)
 Yes190.70 (0.43, 1.14)0.69 (0.42, 1.14)1.53 (0.73, 3.21)
Alcohol consumption
 Not current2971.36 (0.71, 2.68)1.11 (0.68, 1.80)1.11 (0.59, 2.10)
 Current2431.06 (0.51, 2.23)0.74 (0.42, 1.30)1.54 (0.88, 2.71)

+Adjusted for age, sex, smoking status, physical activity, alcohol consumption, waist circumference, diabetes, BP medication. Statistically significant at 0.05 level.