Table 1 Clinical characteristics, demographic information before the start of the trial (baseline) according to the groups
Variable | Calcium group 500 mg/day | Calcium group 1,500 mg/day | Placebo Group | P-value |
|---|---|---|---|---|
Mean (SD) | Mean (SD) | Mean (SD) | ||
Age (years) | 30.2 (5.1) | 30.4 (5.1) | 28.6 (4.7) | 0.327 |
Education (years of study) | 12.4 (5.5) | 12.4 (4.6) | 13.9 (5.3) | 0.427 |
Gestational age (weeks) | 26.9 (4.0) | 26.3 (4.7) | 28.2 (5.0) | 0.299 |
Initial weight (Kg) | 94.2 (17.3) | 86.5 (16.3) | 87.7 (17.9) | 0.227 |
Initial BMI (Kg/m2) | 35.7 (5.9) | 32.6 (7.1) | 32.7 (6.2) | 0.161 |
Dietary calcium (g) | 531.5 (315.7) | 731.5 (477.0) | 569.7 (310.1) | 0.135 |
Initial SBP (mmHg) | 131.6 (13.8) | 131.5 (11.2) | 127.8 (12.6) | 0.416 |
Initial DBP (mmHg) | 84.2 (9.3) | 83.8 (13.2) | 81.3 (8.9) | 0.531 |
Triglyceride, mg/dl | 224.9 (18.1) | 211.2 (15.1) | 137.8 (8.9) | 0.075 |
Cholesterol, mg/dl | 201.0 (6.9) | 235.8 (8.0) | 227.1 (6.9) | 0.195 |
LDL-c, mg/dl | 101.7 (5.7) | 123.8 (6.9) | 116.3 (5.8) | 0.063 |
HDL-c, mg/dl | 62.8 (3.4) | 65.6 (3.5) | 76.6 (3.7) | 0.393 |
Hs-CRP, mg/dl | 14.3 (1.8) | 10.5 (1.3) | 3.3 (0.3) | 0.268 |
Ionized calcium, mg/dl | 9.1 (0.2) | 9.1 (0.2) | 9.4 (0.2) | 0.832 |