Table 3.

Linear regression coefficients for relation between length of breast feeding and distensibility with adjustments for pulse pressure, age, sex, and resting vessel plus cholesterol concentration, body mass index, and socioeconomic factors

Variable	Regression coefficient (95% CI) (μm/month)	P value
Length of breast feeding	−3.9 (−7.3 to −0.6)	0.02
+Total cholesterol	−3.8 (−7.2 to −0.4)	0.03
+Body mass index	−3.9 (−7.2 to −0.5)	0.02
+Social class	−3.9 (−7.3 to −0.6)	0.02