Blood Pressure and Its Association with Gender, Body Mass Index, Smoking, and Family History among University Students

Table 4

Differences in mean systolic and diastolic blood pressure between normal BMI (reference) and other BMI categories. The “ value” indicates the significant level of the mean difference, as significant levels with values < 0.05 are annotated with .

Blood pressure	Reference BMI (18.5–24.9)	Other BMI	Mean difference between reference and other BMI	p value	95% Confidence Interval
					Lower Bound	Upper Bound
Systolic	18.5–24.9	<18.5		.004	1.63	11.99
		25–29.9		.000
		30–34.9		.000
Diastolic	18.5–24.9	<18.5		.364
		25–29.9		.130
		30–34.9		.050