Table 2 Demographic characteristics of study participants in the intervention and control hospitals before and after EENC implementation
Variables | Total | Pre-EENC | Post-EENC | ||||||
|---|---|---|---|---|---|---|---|---|---|
(N = 1349) | Intervention | Control | t/χ2 | P-value | Intervention | Control | t/χ2 | P-value | |
(n = 331) | (n = 381) | (n = 312) | (n = 325) | ||||||
Maternal | |||||||||
 Age (Mean ± SD) | 26.3 ± 4.5 | 26.2 ± 4.3 | 26.5 ± 4.7 | −0.82 | 0.42 | 26.3 ± 4.4 | 26.4 ± 4.5 | − 0.25 | 0.80 |
 Education n (%) |  |  |  | 1.16 | 0.56 |  |  | 2.57 | 0.28 |
 Junior middle school | 553 (41.0) | 144 (43.5) | 151 (39.6) |  |  | 136 (43.6) | 122 (37.5) |  |  |
 High school | 416 (30.8) | 95 (28.7) | 114 (29.9) |  |  | 98 (31.4) | 109 (33.5) |  |  |
 Higher education | 380 (28.2) | 92 (27.8) | 116 (30.4) |  |  | 78 (25.0) | 94 (28.9) |  |  |
 Gestational age (Mean ± SD) | 39.0 ± 1.8 | 39.1 ± 2.3 | 38·9 ± 1.0 | 0.37 | 0.71 | 39.0 ± 2.3 | 39.0 ± 1.1 | 0.36 | 0.72 |
 Gravidity (Mean ± SD) | 2.4 ± 1.4 | 2.4 ± 1.3 | 2.4 ± 1.4 | 0.24 | 0.81 | 2.5 ± 1.4 | 2.4 ± 1.4 | 0.73 | 0.47 |
 Parity (Mean ± SD) | 1.1 ± 0.7 | 1.0 ± 0.7 | 1.3 ± 0.7 | −5.17 | < 0.01 | 1.1 ± 0.7 | 1.3 ± 0.8 | −3.33 | < 0.01 |
 Height, cm (Mean ± SD) | 158.8 ± 8.0 | 158.1 ± 11.5 | 159.0 ± 5.0 | −1.34 | 0.18 | 159.0 ± 9.4 | 159.0 ± 4.4 | −0.03 | 0.98 |
 Weight, kg (Mean ± SD) | 66.9 ± 11.1 | 67.6 ± 11.8 | 66.8 ± 11.3 | 0.92 | 0.36 | 67.0 ± 9.9 | 66.4 ± 11.1 | 0.68 | 0.50 |
Infant | |||||||||
 Gender n (%) |  |  |  | 1.33 | 0.25 |  |  | 0.26 | 0.61 |
 Male | 684 (50.7) | 165 (50.0) | 207 (54.3) |  |  | 156 (50.0) | 156 (48.0) |  |  |
 Female | 665 (49.3) | 166 (50.0) | 174 (45.7) |  |  | 156 (50.0) | 169 (52.0) |  |  |
 Length, cm (Mean ± SD) | 49.8 ± 1.3 | 49.9 ± 1.2 | 49.6 ± 1.3 | 3.71 | < 0.01 | 50.0 ± 1.3 | 49.6 ± 1.3 | 4.14 | < 0.01 |
 Birthweight, g (Mean ± SD) | 3256.3 ± 370.3 | 3274.1 ± 353.6 | 3243.2 ± 367.4 | 1.14 | 0.26 | 3295.5 ± 410.5 | 3216.0 ± 345.7 | 2.92 | < 0.01 |