Research Article

Association and Interaction Analysis of Body Mass Index and Triglycerides Level with Blood Pressure in Elderly Individuals in China

Table 15

Interaction between body mass index and uric acid on blood pressure status of participants categorized by age in male and female (N=3629).

CharacteristicsAge <68 years
(n=807)
Age≥68 years
(n=1003)

MaleSystolic blood pressure
β(P-value)
Diastolic blood pressure
β(P-value)
Systolic blood pressure
β(P-value)
Diastolic blood pressure
β(P-value)

Marital status (0= Single,1= Married)-6.913(0.009)-5.237(0.001)-5.876(0.007)
Current residence (0= Rural,1= Urban)5.232(0.004)2.164(0.015)
Smoke (0= NO,1= Former smoke,2= Current smoke)1.917(0.05)
Eating meals (0= ≤2 meals per day,1=3 meals per day,2= ≥4 meals per day)3.746(0.058)3.227(0.006)2.239(0.036)
Taking activities (0= No,1= Yes)-2.747(0.057)
Antilipidemic medication (0= No,1= Yes)-1.651(0.423)
Anti-hypertensive therapy (0= No,1= Yes)9.032(0.002)5.343(0.002)11.982(<0.001)6.384(<0.001)
Fasting plasma glucose (mg/dl)0.040(0.030)
eGFR (ml/min/1.73m2)-0.122(0.024)
Serum uric acid(mg/dl)1.454(0.022)0.957(0.006)
Body mass index-8.409(0.006)-4.837(0.008)-8.347(0.048)-3.042(0.142)
Triglycerides-0.135(0.958)-0.587(0.695)-7.960(0.035)-1.478(0.427)
Body mass index Triglycerides-1.075(0.760)-0.095(0.964)2.138(0.654)-0.931(0.691)

FemaleAge <68 years
(n=887)
Age≥68 years
(n=932)
Systolic blood pressure
β(P-value)
Diastolic blood pressure
β(P-value)
Systolic blood pressure
β(P-value)
Diastolic blood pressure
β(P-value)

Age0.626(0.001)
Education (0= Illiterate, 1= Less than elementary school, 2= High school, 3= Above vocational school)
Marital status (0= Single,1= Married)5.866(0.012)5.481(0.007)7.504(<0.001)
Eating meals (0= ≤2 meals per day,1=3 meals per day,2= ≥4 meals per day)2.821(0.009)
History of CVD (0= No,1= Yes)-3.837(0.123)
Antilipidemic medication (0= No,1= Yes)
Anti-diabetic medication (0= No,1= Yes)11.822(0.002)
Anti-hypertensive therapy (0= No,1= Yes)8.946(0.006)17.459(<0.001)17.254(<0.001)
Fasting plasma glucose (mg/dl)0.035(<0.001)
Body mass index-5.696(0.062)-6.621(<0.001)-4.726(0.187)-5.152(0.155)
Triglycerides-4.716(0.063)-2.716(0.024)-1.573(0.622)-2.147(0.507)
Body mass index Triglycerides-1.345(0.718)2.410(0.170)-4.192(0.334)-3.386(0.439)