Table 4 Association of dairy consumption with hypertension risk in non-users of antihypertensive medications (n = 795)

From: Dairy consumption has a partial inverse association with systolic blood pressure and hypertension in populations with high salt and low dairy diets: cross-sectional data analysis from the Iwaki Health Promotion Project

 

OR

(95% CI)

r2

P-value

Model 1 (Adjustment factors: Age, Sex, BMI)

Hypertension (SBP ≥ 140 or DBP ≥ 90)

 Low-fat dairy products

1.0012

(0.9957, 1.0067)

0.102

0.678

 Whole- and high-fat dairy products

0.9958

(0.9909, 1.0007)

0.106

0.090

 Total dairy products

0.9975

(0.9934, 1.0016)

0.104

0.232

Systolic hypertension (SBP ≥ 140)

 Low-fat dairy products

1.0004

(0.9943, 1.0066)

0.107

0.900

 Whole- and high-fat dairy products

0.9927

(0.9868, 0.9986)

0.118

0.016*

 Total dairy products

0.9948

(0.9898, 0.9998)

0.115

0.041*

Diastolic hypertension (DBP ≥ 90)

 Low-fat dairy products

1.0001

(0.9935, 1.0068)

0.079

0.969

 Whole- and high-fat dairy products

0.9968

(0.9912, 1.0024)

0.082

0.263

 Total dairy products

0.9977

(0.9929, 1.0025)

0.081

0.345

Model 2 (Adjustment factors: Model1 + Smoking [current, former, never])

Hypertension (SBP ≥ 140 or DBP ≥ 90)

 Low-fat dairy products

1.0010

(0.9955, 1.0066)

0.109

0.721

 Whole- and high-fat dairy products

0.9955

(0.9905, 1.0004)

0.113

0.071

 Total dairy products

0.9971

(0.9930, 1.0013)

0.111

0.183

Systolic hypertension (SBP ≥ 140)

 Low-fat dairy products

1.0003

(0.9942, 1.0065)

0.108

0.916

 Whole- and high-fat dairy products

0.9925

(0.9865, 0.9984)

0.120

0.013*

 Total dairy products

0.9946

(0.9895, 0.9996)

0.117

0.034*

Diastolic hypertension (DBP ≥ 90)

 Low-fat dairy products

0.9999

(0.9932, 1.0067)

0.092

0.978

 Whole- and high-fat dairy products

0.9966

(0.9909, 1.0023)

0.095

0.240

 Total dairy products

0.9974

(0.9925, 1.0023)

0.094

0.297

Model 3 (Adjustment factors: Model2 + Salt, Vegetable, Fruit intake [g/1000 kcal]), Exercise time,

 Drinking [current, former, never]

Hypertension (SBP ≥ 140 or DBP ≥ 90)

 Low-fat dairy products

1.0008

(0.9951, 1.0065)

0.127

0.795

 Whole- and high-fat dairy products

0.9955

(0.9905, 1.0006)

0.131

0.085

 Total dairy products

0.9971

(0.9927, 1.0014)

0.129

0.187

Systolic hypertension (SBP ≥ 140)

 Low-fat dairy products

0.9999

(0.9934, 1.0063)

0.132

0.967

 Whole- and high-fat dairy products

0.9924

(0.9864, 0.9985)

0.144

0.015**

 Total dairy products

0.9942

(0.9890, 0.9994)

0.141

0.030*

Diastolic hypertension (DBP ≥ 90)

 Low-fat dairy products

1.0000

(0.9932, 1.0069)

0.109

0.998

 Whole- and high-fat dairy products

0.9973

(0.9914, 1.0033)

0.110

0.376

 Total dairy products

0.9980

(0.9930, 1.0031)

0.110

0.447

  1. OR odds ratio for each dairy intake, CI confidence interval, SBP systolic blood pressure, DBP diastolic blood pressure
  2. r2, pseudo r2
  3. *P < 0.05, **P < 0.01
  4. Bold values: significant at P < 0.05