Table 1.
Description of Infant and Maternal Clinical and Demographic Characteristics of KMC and control groups.
| Variable | KMC Group (n = 56 ) n (%), Mean ± SD |
Control Group (n = 56 ) n (%), Mean ± SD |
d.f. | Test | p-Value | Cohen’s d | |
|---|---|---|---|---|---|---|---|
| Premature Infant Variables | |||||||
| Gender | Male | 28 (25) | 36 (32.14) | 1 | χ2 = 2.33 | 0.12 a | -- |
| Female | 28 (25) | 20 (17.85) | |||||
| Gestational age (weeks) | 31.12 ± 1.81 | 30.38 ± 1.98 | 110 | t = 2.05 | 0.043 B * | 0.39 | |
| Weight at birth (g) | 1408.86 ± 301.67 | 1327.61 ± 292.02 | 110 | t = 1.44 | 0.15 B | 0.27 | |
| Length at birth (cm) | 39.85 ± 3.67 | 38.91 ± 3 | 110 | t = 1.48 | 0.14 B | 0.55 | |
| Head circumference at birth (cm) | 28.33 ± 2.35 | 27.77 ± 2.15 | -- | U = 1305 | 0.12 A | 0.24 | |
| Chest circumference at birth (cm) | 24.54 ± 2.19 | 24.77 ± 1.82 | -- | U = 1529 | 0.82 A | 0.11 | |
| Apgar at 1 min | 9.95 ± 1.93 | 7.38 ± 2.05 | -- | U = 1263 | 0.08 A | 1.29 | |
| Apgar at 5 min | 9.54 ± 1.54 | 9.23 ± 0.87 | -- | U = 1371 | 0.20 A | 0.24 | |
| Mother Variables | |||||||
| Mother age (year) | 32.84 ± 5.64 | 33.16 ± 5.32 | -- | U = 1490 | 0.65 A | 0.05 | |
| Previous pregnancies | 1.45 ± 1.48 | 1.14 ± 1.34 | -- | U = 1383 | 0.26 A | 0.21 | |
| Previous abortions | 0.61 ± 0.98 | 0.55 ± 0.93 | -- | U = 1489 | 0.59 A | 0.06 | |
| Multiple birth | No | 38 (33.92) | 36 (32.14) | 1 | χ2 = 0.159 | 0.69 a | -- |
| Yes | 18 (16.07) | 20 (8.92) | |||||
| Smoker | No | 47 (42.00) | 48 (42.90) | 1 | χ2 = 0.069 | 0.79 a | -- |
| Yes | 9 (8.00) | 8 (7.10) | |||||
| No. of cigarettes | 0.52 ± 4.09 | 0.52 ± 4.09 | -- | U = 1557 | 0.92 A | 0 | |
A Mann–Whitney U; B Student’s t-test; a Chi-squared; d.f.: degrees of freedom; * p < 0.05.