Research Article

Effect of Yogurt Intake Frequency on Blood Pressure: A Cross-Sectional Study

Table 2

Cross-sectional associations between yogurt and blood pressure in a sample of the total sample (n = 3 068), persons (n = 1 246) with hypertension, and persons (n = 1 822) with normal blood pressure.

VariableModel 1Model 2Model 3
β 95% CI valueβ 95% CI valueβ 95% CI value

Total sampleSBPYogurt intake frequency (high vs low)−4.65 (−6.15∼−3.15)<0.001−1.59 (−2.85∼−0.32)0.014−1.46 (−2.72∼−0.2)0.023
DBP−1.98 (−2.85∼−1.11)<0.001−1.7 (−2.56∼−0.83)<0.001−1.59 (−2.45∼−0.73)<0.001
MAP−3.53 (−4.69∼−2.37)<0.001−2.22 (−3.33∼−1.12)<0.001−2.08 (−3.17∼−0.99)<0.001
Pulse pressure−2.67 (−4.08∼−1.26)<0.0010.11 (−1.11∼1.33)0.8600.13 (−1.09∼1.36)0.833
HypertensionSBP−1.25 (−3.79∼1.29)0.334−0.33 (−2.7∼2.04)0.783−0.6 (−2.97∼1.77)0.619
DBP−0.38 (−1.93∼1.17)0.633−0.81 (−2.3∼0.69)0.289−0.93 (−2.42∼0.55)0.218
MAP−0.8 (−2.74∼1.15)0.423−0.92 (−2.87∼1.03)0.356−1.13 (−3.07∼0.8)0.252
Pulse pressure−0.87 (−3.49∼1.75)0.5140.48 (−1.77∼2.72)0.6780.33 (−1.91∼2.58)0.772
NonhypertensionSBP−2.01 (−3.05∼−0.97)<0.001−1.42 (−2.41∼−0.42)0.005−1.2 (−2.18∼−0.23)0.016
DBP−1.73 (−2.68∼−0.78)<0.001−1.58 (−2.52∼−0.65)0.001−1.45 (−2.38∼−0.52)0.002
MAP−2.4 (−3.53∼−1.28)<0.001−2.06 (−3.14∼−0.97)<0.001−1.85 (−2.93∼−0.78)0.001
Pulse pressure−0.28 (−1.4∼0.84)0.6250.17 (−0.96∼1.29)0.7700.25 (−0.87∼1.38)0.661

Model 1, no covariates were included; model 2, model 1 + age, marriage, and income; model 3, model 2 + diabetes, BMI, HDL-C, and TG.