Table 1.
A comparison of demographic information and clinical data between the two intervention and control groups
| Variables | Control (%) n=68 | Intervention (%) n=75 | P |
|---|---|---|---|
| Mother’s education | |||
| Under diploma | 24 (35.3) | 15 (20.0) | 0.01 |
| Diploma | 35 (51.5) | 36 (48.0) | |
| Academic | 9 (13.2) | 24 (32.0) | |
| Mother’s employment | |||
| Household | 65 (95.6) | 64 (85.3) | 0.05 |
| Employed | 3 (4.4) | 11 (14.7) | |
| Status of insurance | |||
| Social insurance or treatment services | 39 (57.4) | 33 (44) | 0.03 |
| Rural or health insurance | 25 (36.8) | 26 (34.7) | |
| Complementary insurance | 4 (5.9) | 16 (21.3) | |
| Mother’s ethnicity | |||
| Persian | 8 (11.8) | 36 (48.0) | <0.001 |
| Non-Persian | 60 (88.2) | 39 (52.0) | |
| Family income ($) | 341.5±138.7 | 400/2±312/2 | 0.08 |
| Mother’s age | 28.3±5.8 | 28.5±5.4 | 0.84 |
| Parity | |||
| 1 | 35 (51.5) | 51 (68.0) | 0.13 |
| 2 | 24 (35.3) | 20 (26.7) | |
| 3 | 5 (7.4) | 4 (5.3) | |
| 4 | 3 (4.4) | 0 (0.0) | |
| 5 | 1 (1.5) | 0 (0.0) | |
| Abortion | |||
| 0 | 53 (77.9) | 59 (78.7) | 0.72 |
| 1 | 11 (16.0) | 9 (12.0) | |
| 2 | 3 (4.0) | 4 (5.3) | |
| 3 | 1 (1.5) | 3 (4.0) | |
| Alive children | |||
| 1 | 21 (30.9) | 26 (34.7) | 0.15 |
| 2 | 31 (45.0) | 39 (52.0) | |
| 3 | 12 (17.6) | 10 (13.3) | |
| 4 | 4 (5.9) | 0 (0.0) | |
| Pregnancy status in terms of multiple births | |||
| Single | 42 (61.8) | 40 (53.3) | 0.053 |
| Twin | 26 (38.2) | 29 (38.7) | |
| Triplet | 0 (0.0) | 6 (8.0) | |
| Type of delivery | |||
| Natural | 13 (19.1) | 10 (13.3) | 0.26 |
| Cesarean | 55 (80.9) | 65 (86.70) | |
| Sex of infant | |||
| Male | 34 (50.0) | 35 (46.7) | 0.69 |
| Female | 34 (50.0) | 40 (53.3) | |
| Birth age | 32.3±2.1 | 30.9±2.6 | <0.001 |
| Birth weight (kg) | 1.7±0.4 | 1.5±0.48 | <0.001 |
| Number of invasive ventilation days | 0.7±3.1 | 2.4±10.4 | 0.09 |
| Number of noninvasive ventilation days | 0.8±3.5 | 2.4±3.8 | 0.01 |