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 | |||
|---|---|---|---|---|---|---|---|---|
| Â | Â | Â | N | mean | N | mean | Â | Â |
Systolic Blood Pressure (mm Hg) | Â | Â | Â | Â | Â | Â | Â | Â |
| Â | Belizan 1997 | 7 years | 257 | 103.9 (10.6) | 261 | 105.3 (11.0) | -1.4 (-3.2 to 0.5) | 0.14 |
| Â | Hatton 2003 | 2 years | 35 | 95.4 (7.6) | 18 | 100.2 (7.9) | -4.8 (-9.2 to -0.3) | 0.036 |
| Â | 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) | Â | Â | Â | Â | Â | Â | Â | Â |
| Â | Belizan 1997 | 7 years | 257 | 65.4 (9.3) | 261 | 65.8 (9.3) | -0.4 (-2.0 to 1.2) | 0.63 |
| Â | Â | Â | n/N | (%) | n/N | (%) | Relative Risk (95%CI) | Â |
High Blood Pressure – systolic |  |  |  |  |  |  |  |  |
| Â | 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 |  |  |  |  |  |  |  |  |
| Â | Belizan 1997 | 7 years | 26/257 | (10.2) | 33/261 | (12.7) | 0.80 (0.49 to 1.30) | 0.41 |