Basic characteristics of mothers receiving zinc supplement and those receiving placebo
| Variable | Zinc group | Placebo group | p Value |
|---|---|---|---|
| Values are mean (SD) or percentage. | |||
| BMI, Body mass index; Hb, haemoglobin; BP, blood pressure. | |||
| Age of mother (years) | 26.07 (4.7) | 25.33 (4.8) | 0.23 |
| Weight of mother (kg) | 54.84 (10.6) | 55.17 (11.2) | 0.81 |
| Height of mother (cm) | 155.67 (5.8) | 155.50 (5.9) | 0.91 |
| BMI of mother | 17.58 (3.3) | 17.71 (3.5) | 0.77 |
| Hb at enrolment (g/l) | 108.6 (14) | 110.1 (12) | 0.45 |
| Serum zinc at enrolment (μg/dl) | 71.51 (21) | 74.09 (23.2) | 0.39 |
| Dietary zinc score | 74.94 (21) | 72.42 (27.3) | 0.83 |
| Systolic BP at enrolment (mmHg) | 110.40 (9.03) | 109.76 (8.7) | 0.63 |
| Diastolic BP at enrolment (mmHg) | 70.98 (7.46) | 69.98 (6.7) | 0.36 |
| Gestation at enrolment (weeks) | 12.95 (2.9) | 13.22 (3.2) | 0.51 |
| Household income <5000 (%) | 48 | 48 | 1.00 |
| Mothers having schooling of <5 years (%) | 34 | 42 | 0.30 |
| Husbands having schooling of <5 years (%) | 18 | 17 | 1.00 |
| Addiction (%) | 1 | 1 | 1.00 |
| Ethnic Punjabi (%) | 83 | 89 | 0.11 |
| Primigravida mothers (%) | 39 | 38 | 0.91 |