Table 3.

Maternal calcium intake during pregnancy and blood pressure in the offspring. Summary of results from the long term follow-up of randomized controlled trials.

Outcome measure		Age at follow-up	calcium		placebo		Mean Difference (95%CI)	p value
			N	mean	N	mean
Systolic Blood Pressure (mm Hg)
	Belizan 1997	7 years	257	103.9 (10.6)	261	105.3 (11.0)	-1.4 (-3.2 to 0.5)	0.14
	Hatton 2003	2 years	35	95.4 (7.6)	18	100.2 (7.9)	-4.8 (-9.2 to -0.3)	0.036
	Hatton 2003	3 month	130	111.4 (14.3)	130	113.6 (12.6)	-2.2 (-5.5 to 1.1)	0.20
Diastolic Blood Pressure (mm Hg)
	Belizan 1997	7 years	257	65.4 (9.3)	261	65.8 (9.3)	-0.4 (-2.0 to 1.2)	0.63
			n/N	(%)	n/N	(%)	Relative Risk (95%CI)
High Blood Pressure – systolic
	Belizan 1997	7 years	29/257	(11.4)	50/261	(19.3)	0.59 (0.39 to 0.90)	0.01
High Blood Pressure – diastolic
	Belizan 1997	7 years	26/257	(10.2)	33/261	(12.7)	0.80 (0.49 to 1.30)	0.41