Research Article
Use of Herbal Dietary Supplement Si-Wu-Tang and Health-Related Quality of Life in Postpartum Women: A Population-Based Correlational Study
Table 1
Characteristics of study subjects according to the frequency of Si-Wu-Tang use during the 6-month postpartum period.
| Characteristics | Frequency of Si-Wu-Tang use during | | | the 6-month postpartum period | | | 0 | 1–10 | >10 | | |
| Total | 10184 | 5806 | 2499 | | | Previous Sheng-Hua-Tang use (%)a | | | | | | Yes | 78.2 | 88.7 | 88.2 | 343.35 | <0.001 | No | 21.8 | 11.3 | 11.8 | Mothers' characteristics | | | | | | Age (%)a | | | | | | 25 years | 18.9 | 20.3 | 19.8 | 44.87 | <0.001 | 25–29 years | 35.7 | 37.0 | 40.0 | 30–34 years | 32.1 | 31.6 | 29.8 | 35 years | 13.3 | 11.1 | 10.4 | Educational level (%)a | | | | | | Junior high school or below | 15.1 | 13.3 | 13.3 | 43.44 | <0.001 | Senior high school | 37.4 | 41.5 | 42.9 | University or above | 47.5 | 45.2 | 43.8 | Employment status (%)a | | | | | | Yes | 57.6 | 59.1 | 58.2 | 3.51 | 0.17 | No | 42.4 | 40.9 | 41.8 | Family income per month (%)a | | | | | | 50,000 NT | 40.8 | 42.2 | 40.7 | 19.94 | 0.003 | 50,000–69,999 NT$ | 25.5 | 27.1 | 26.9 | 70,000–99,999 NT$ | 21.9 | 20.6 | 20.5 | 100,000 NT | 11.8 | 10.1 | 11.9 | Parity (%)a | | | | | | 1 | 51.7 | 48.4 | 48.6 | 28.46 | <0.001 | 2 | 38.4 | 40.0 | 39.1 | 3 | 9.9 | 11.6 | 12.3 | Method of delivery (%)a | | | | | | Normal spontaneous delivery | 66.3 | 66.4 | 68.4 | 1.10 | 0.58 | Caesarean section | 33.7 | 33.6 | 32.6 | Breastfeeding (%)a | | | | | | Ever | 82.6 | 82.7 | 83.7 | 1.70 | 0.43 | Never | 17.4 | 17.3 | 16.3 | Postpartum nursing centre (%)a | | | | | | Yes | 6.9 | 7.5 | 8.5 | 8.44 | 0.02 | No | 93.1 | 92.5 | 91.5 | Out-patient clinic visits during the past 4 weeks (%)a | | | | | | Yes | 31.1 | 33.2 | 31.9 | 7.47 | 0.02 | No | 68.9 | 66.8 | 68.1 | Infants' characteristics | | | | | | Sex (%)a | | | | | | Male | 52.3 | 51.5 | 52.2 | 0.95 | 0.62 | Female | 47.7 | 48.5 | 47.8 | Low birth weight or preterm (%)a | | | | | | Yes | 10.6 | 9.9 | 10.4 | 1.71 | 0.43 | No | 89.4 | 90.1 | 89.6 | Primary nursery by mother (%)a | | | | | | No | 14.2 | 13.8 | 14.3 | 7.56 | 0.27 | Daytime | 2.1 | 2.1 | 2.8 | Evening or night | 8.3 | 8.0 | 7.7 | Whole day | 75.4 | 76.1 | 75.2 |
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Calculated by column totals.
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