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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 characteristic

N (%)

Lactation period

 7 and below days

31 (14.09)

 8 to 15 days

34 (15.45)

 16 to 30 days

34 (15.45)

 31 to 90 days

32 (14.55)

 91 to 180 days

40 (18.18)

 181 ~ days

49 (22.27)

Age

 25 and below years

87 (39.55)

 26 to 30 years

97 (44.09)

 31 ~ years

36 (16.36)

Parity

 Primipara

174 (79.00)

 Multipara

46 (21.00)

Delivery mode

 Natural

89 (40.45)

 Forceps

6 (2.73)

 Cesarean

125 (56.82)

Education

 Junior or below

48 (21.82)

 Senior

90 (40.91)

 College or above

82 (37.27)

Occupation

 Housework

140 (63.64)

 Others

80 (36.36)

Family economic level

 Low

81 (36.82)

 Middle

103 (46.82)

 High

36 (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)