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Table 1 The characteristics and concentration of breast milk among lactating women in south-central China (number of participants and percentages; N = 220)

From: Dietary patterns and their association with breast milk macronutrient composition among lactating women

General characteristicN (%)
Lactation period
 7 and below days31 (14.09)
 8 to 15 days34 (15.45)
 16 to 30 days34 (15.45)
 31 to 90 days32 (14.55)
 91 to 180 days40 (18.18)
 181 ~ days49 (22.27)
Age
 25 and below years87 (39.55)
 26 to 30 years97 (44.09)
 31 ~ years36 (16.36)
Parity
 Primipara174 (79.00)
 Multipara46 (21.00)
Delivery mode
 Natural89 (40.45)
 Forceps6 (2.73)
 Cesarean125 (56.82)
Education
 Junior or below48 (21.82)
 Senior90 (40.91)
 College or above82 (37.27)
Occupation
 Housework140 (63.64)
 Others80 (36.36)
Family economic level
 Low81 (36.82)
 Middle103 (46.82)
 High36 (16.36)
Breast milk composition
 Protein (g/100 ml) Mean (SD)1.37 (0.73)
 Fat (g/100 ml) Mean (SD)3.20 (1.43)
 Lactose (g/100 ml) Mean (SD)6.51 (0.40)
 Total dry matter (g/100 ml) Mean (SD)12.00 (1.51)
 Energy (g/100Kal) Mean (SD)62.43 (13.32)