Table 3.

The Effect of Familial Risk Factors on Resting and Exercise Systolic Blood Pressure (n=374)

		Difference, mm Hg
		Resting Systolic BP			Exercise Systolic BP
	Prevalence, %*	MD	95% CI	P Value	MD	95% CI	P Value
Parental overweight	60.2	+1.0	0.7 to 1.4	0.397	+3.4	2.8 to 3.8	0.061
Parental smoking	35.0	−0.1	−0.7 to 0.5	0.945	+4.0	3.1 to 4.9	0.030
Parental hypertension	29.0	+4.1	3.6 to 4.7	0.001	+3.9	3.1 to 4.8	0.029
Familial hypertension†	61.8	+4.4	4.0 to 4.6	<0.001	+4.7	4.2 to 5.3	0.007
Inactive parents (both)	25.0	+1.0	0.1 to 1.9	0.467	+4.9	3.5 to 6.4	0.013
Low educational level	33.2	+1.3	0.6 to 1.9	0.315	+5.2	4.3 to 6.2	0.006

ANOVA analyses were adjusted for age, sex, height, BMI percentile, and physical fitness of adolescents. BMI indicates body mass index; BP, blood pressure; MD, mean difference.

^*At least 1 parent.

^†Mother, father, and grandparents.