Table 2.
Demographic variables of infants and mothers in two groups before training
| Variables | Intervention n=34 | Control n=33 | Total n=67 | P |
|---|---|---|---|---|
| Mother’s factors | ||||
| Mother’s age (mean±SD) | 31.8±7.6 | 27.8±6.2 | 29.85±7.17 | 0.081* |
| Mother’s education, n (%) | ||||
| Elementary | 10 (29.4) | 14 (42.4) | 24 (35.8) | 0.517† |
| High school | 5 (14.7) | 4 (12.1) | 9 (13.4) | |
| Diploma | 7 (20.6) | 6 (18.2) | 13 (19.4) | |
| College degree | 12 (35.3) | 9 (27.3) | 21 (31.4) | |
| Mother’s occupation, n (%) | ||||
| Housewife | 28 (82.4) | 24 (72.7) | 52 (77.6) | 0.611†† |
| Employee | 4 (11.8) | 6 (18.2) | 10 (14.9) | |
| Others | 2 (5.9) | 3 (9.11) | 5 (7.5) | |
| Economic status, n (%) | ||||
| Excellent | 10 (29.4) | 7 (21.2) | 17 (25.4) | 0.964† |
| Good | 7 (20.6) | 9 (27.3) | 16 (23.9) | |
| Moderate | 6 (17.6) | 9 (27.3) | 15 (22.4) | |
| Poor | 11 (32.4) | 8 (24.2) | 19 (28.3) | |
| Numbers of children, n (%) | ||||
| One | 10 (29.4) | 14 (42.4) | 24 (35.8) | 0.078† |
| Two | 10 (29.4) | 13 (39.4) | 23 (34.4) | |
| Three | 7 (20.6) | 3 (9.1) | 10 (14.9) | |
| Four and more | 7 (20.6) | 3 (9.1) | 10 (14.9) | |
| Insurance status, n (%) | ||||
| With insurance | 15 (44.1) | 16 (48.5) | 31 (46.3) | 0.720†† |
| Without insurance | 19 (55.9) | 17 (51.5) | 36 (53.7) | |
| Infant’s factor | ||||
| Sex of infants, n (%) | ||||
| Female | 17 (50.00) | 14 (42.4) | 31 (46.3) | 0.534†† |
| Male | 17 (50.00) | 19 (57.6) | 36 (53.7) | |
| Birth weight (gram), (mean±SD) | 1893.2±275.0 | 1860.6±321.4 | 1877.16±296.88 | 0.656* |
| Infant’s age in first screening (week) | 38.6±0.5 | 38.5±0.5 | 38.53±0.5 | 0.400† |
| Infant’s weight in first screening (grams), (mean±SD) | 2518.2±387.5 | 2526.2±598.4 | 2522.16±498.68 | 0.725† |
| Duration of ventilation (day), n (%) | ||||
| 0 | 33 (97.1) | 31 (93.9) | 64 (95.5) | 0.742†† |
| 2 | 0 (1) | 1 (3.0) | 1 (1.5) | |
| 3 | 1 (2.9) | 1 (3.0) | 2 (3) | |
| Days in NICU, (mean±SD) | 3.6±1.7 | 3.5±2.8 | 2.49±2.47 | 0.111† |
| Mode of delivery, n (%) | ||||
| Cesarean delivery | 16 (47.1) | 17 (51.5) | 33 (49.3) | 0.440†† |
| Normal delivery | 18 (52.9) | 16 (48.5) | 34 (50.7) |
*Independent t-test, †Mann-Whitney U test, ††Chi-squared test