Table 1.

Associations of sodium and potassium intake at age 4 months with blood pressure (BP) at age 7 years ²⁹

Model	Exposure variables *	Coefficient estimate	SE for coefficient	Coefficient bias estimate	Indicates bias	Indicates large collinear	Root MSE estimate *
1	Sodium	0.518	0.290	Referent			0.290
	Potassium	0.099	0.095	Referent			0.095
2a	Sodium	0.708	0.225	0.190	Yes	Yes	0.294
2b	Potassium	0.206	0.074	0.107	Yes	Yes	0.130

*All analyses are adjusted for energy intake at 4 or 8 months, age at BP measurement, sex, socioeconomic position (maternal and paternal education), family social class, maternal age at childbirth, parity, birthweight, gestational age, breastfeeding, smoking during pregnancy, sodium intake at 7 years.