Table 2.
Infant and maternal socio-demographic and clinical characteristics.
| ELBW group (N = 16) | VLBW group (N = 24) | Control group (N = 25) | F/X2 | p | |
|---|---|---|---|---|---|
| INFANT CHARACTERISTICS | |||||
| Gender | |||||
| Male, n (%) | 5 (31.2) | 12 (50.0) | 15 (60.0) | 3.235 | 0.198 |
| Female, n (%) | 11 (68.8) | 12 (50.0) | 10 (40.0) | ||
| Gestational Age—weeks, m (sd) | 27.67 (1.42) | 30.13 (2.48) | 39.67 (1.23) | 245.653 | <0.0001 |
| Length of hospitalization- days, m (sd) | 58.00 (13.74) | 35.35 (11.50) | // | 30.211 | <0.0001 |
| Twin status | |||||
| Yes, n (%) | 1 (6.2) | 11 (45.8) | 0 (0.0) | 19.190 | <0.0001 |
| No, n (%) | 15 (93.8) | 13 (54.2) | 25 (100.0) | ||
| Type of delivery | |||||
| Spontaneous, n (%) | 4 (25.0) | 3 (12.5) | 18 (72.0) | 19.940 | <0.0001 |
| Cesarean, n (%) | 12 (75.0) | 21 (87.5) | 7 (28.0) | ||
| GMDS general percentile score, m (sd) | 54.12 (4.44) | 55.34 (3.48) | 59.83 (3.38) | 0.670 | 0.515 |
| MATERNAL CHARACTERISTICS | |||||
| Age, years, m (sd) | 36.36 (7.62) | 37.71 (3.90) | 36.50 (4.86) | 0.422 | 0.658 |
| Hollingshead SES score, m (sd) | 32.14 (18.23) | 43.02 (15.87) | 42.60 (16.14) | 1.870 | 0.164 |
| Nationality | |||||
| Italian, n (%) | 10 (62.5) | 24 (100.0) | 24 (96.0) | 15.986 | <0.0001 |
| Foreign, n (%) | 6 (37.5) | 0 (0.0) | 1 (4.0) | ||
| Marital status | |||||
| Married/Cohabiting, n (%) | 12 (75.0) | 24 (100.0) | 25 (100.0) | 13.053 | 0.001 |
| Other, n (%) | 4 (25.0) | 0 (0.0) | 0 (0.0) | ||
| Education | |||||
| University, n (%) | 3 (15.4) | 13 (52.2) | 19 (75.0) | 16.979 | 0.002 |
| High school, n (%) | 7 (46.2) | 10 (43.5) | 4 (16.7) | ||
| Primary/Secondary school, n (%) | 6 (38.5) | 1 (4.3) | 2 (8.3) | ||
| Occupation | |||||
| Employed, n (%) | 13 (80.0) | 24 (100.0) | 23 (91.7) | 5.062 | 0.080 |
| Unemployed, n (%) | 3 (20.0) | 0 (0.0) | 2 (8.3) | ||
| Parity | |||||
| Nulliparous, n (%) | 11 (68.8) | 19 (79.2) | 21 (84.0) | 1.354 | 0.508 |
| Multiparous, n (%) | 5 (31.2) | 5 (20.8) | 4 (16.0) | ||