Table 1.
Descriptive statistics and between-group comparison of continuous participant characteristics
| Variable | Groups | ||
|---|---|---|---|
| Without grandmother attendance (n = 32) | With grandmother attendance (n = 32) | Independent t-test P-value | |
| Mother’s age (year), Mean ± SD | 24.93 ± 4.28 | 25.68 ± 5.01 | 0.522 |
| Grandmother’s age (year), Mean ± SD | 49.25 ± 5.67 | 48.93 ± 8.19 | 0.860 |
| Parity of grandmother, Mean ± SD | 4.40 ± 2.13 | 3.59 ± 1.29 | 0.071 |
| The number of children breastfed by the grandmothers. | 4.37 ± 2.13 | 3.12 ± 1.45 | 0.008 |
| Gestational age in recruitment (week), Mean ± SD | 33.63 ± 0.85 | 33.84 ± 0.86 | 0.32 |
| Gestational age at birth (week), Mean ± SD | 38.94 ± 0.75 | 38.69 ± 0.95 | 0.25 |