Verma et al4 | RCT | E:148 C: 147 | 203 males, 92 females; 28–42 weeks | 1. Preparation 2. Receive training 3. Participate in nursing | Not reported | Traditional care | Nosocomial infection; hospitalization time; breastfeeding |
O'Brien et al3 | CCT | E:31 C:62 | Gender was not reported; <35 weeks | 1. Receive training 2. Participate in nursing | >8 hours/day | Traditional care | Nosocomial infection; weight gain; breast-feeding |
Shen et al11 | CCT | E:36 C:38 | 43 males, 31 females; <34 weeks | 1. Preparation 2. Receive training 3. Participate in nursing 4. Discharge education | Not reported | Traditional care | Nosocomial infection; hospitalization time; breastfeeding; weight gain; readmission |
Lv et al12 | CCT | E:54 C:52 | 64 males, 42 females; 26-34 weeks | 1. Preparation 2. Receive training 3. Participate in nursing | 3 hours/day | Traditional care | Nosocomial infection; hospitalization time; breastfeeding; weight gain; readmission; satisfaction |
Li et al13 | CCT | E:23 C:23 | 27 males, 19 females; 28-36 weeks | 1. Preparation 2. Receive training 3. Participate in nursing 4. Discharge education | >3 hours/day | Traditional care | Care knowledge; satisfaction |
Yu et al14 Ma10 Liang et al8 | CCT CCT RCT | E:58 C:56 E:48 C:48 E:34 C:34 | 58 males, 56 females; 28–37 weeks 43 males, 53 females; 28–33 weeks 37 males, 31 females; 24–36 weeks | 1. Receive training 2. Participate in nursing 1. Preparation 2. Receive training 3. Participate in nursing 4. Discharge education 1. Receive education 2. Participate in nursing | Every day, but intervention time per day was not reported Every day, but intervention time per day was not reported Not reported | Traditional care Traditional care Traditional care | Satisfaction Readmission Breast-feeding |
Ding et al9 | RCT | E:56 C:62 | Gender was not reported; 32-37 weeks | 1. Receive training 2. Participate in nursing | >8 hours/day | Traditional care | Hospitalization time; breastfeeding |
He et al5 | CCT | E:100 C:98 | Gender was not reported; E: 35.22 ± 1.70 weeks C:34.63±1.91 weeks | 1. Preparation 2. Receive training 3. Participate in nursing | >4 hours/day | Traditional care | Nosocomial infection |