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Table 2 Factors associated with breastfeeding maintenance at 12 months in adolescent mothers. Analysis of variables subjected to Poisson hierarchical regression analysis

From: Factors associated with the maintenance of breastfeeding for 6, 12, and 24 months in adolescent mothers

Distal block (n = 237)

N (%)

RRc (95% CI)

RRa (95% CI)

Maternal age

 ≥18 years

133 (56.1)

1.08 (0.82–1.42)

-

Paternal age

 ≥22 years

117 (49.3)

1.05 (0.80–1.37)

-

Maternal education

 ≥8 years

135 (56.9)

0.90 (0.69–1.18)

-

Maternal skin color

 Black/brown

84 (35.4)

1.22 (0.94–1.60)

-

Parity

 Multiparous

35 (14.7)

1.10 (0.77–1.57)

-

Cohabitation with partner at beginning of study

145 (61.2)

1.06 (0.8–1.40)

-

Cohabitation with maternal grandmother at beginning of study

132 (55.7)

0.89 (0.68–1.16)

-

Distal intermediate block

Planned pregnancy

62 (26.1)

0.81 (0.58–1.14)

–

Smoked during pregnancy

 Did not smoke

163 (68.7)

1.30 (0.94–1.79)

–

Number of prenatal visits

 ≥7 visits

153 (64.5)

1.00 (0.76–1.33)

-

Received prenatal guidance on breastfeeding

100 (42.2)

1.07 (0.81–1.40)

–

Participated in prenatal classes/groups

52 (21.9)

1.13 (0.83–1.53)

–

Proximal intermediate block

Type of delivery

 Vaginal

186 (78.5)

0.86 (0.64–1.17)

-

Infant sex

 Female

117 (49.3)

1.31 (0.99–1.72)

1.32 (1.003–1.73)*

Birth weight

 ≥3200 g

123 (51.9)

1.07 (0.82–1.40)

-

Intention to breastfeed

 ≥12 months

190 (80.1)

1.29 (0.87–1.91)

1.31 (0.88–1.96)

Proximal block

Exposed to intervention

111 (46.8)

0.73 (0.55–0.97)*

0.98 (0.78–1.23)

Mother worked/studied in the first year of life

34 (14.3)

1.30 (0.82–2.06)

–

Maternal grandmother supports breastfeeding

115 (48.5)

4.99 (2.98–8.37)**

2.14 (1.22–3.77)*

Partner supports breastfeeding

113 (47.6)

4.06 (2.56–6.45)**

1.63 (1.06–2.53)*

Pacifier use

 Does not use

98 (41.3)

3.15 (2.29–4.33)**

2.17 (1.55–3.03)**

Exclusive breastfeeding duration (days)

89 (39–189)a

1.007 (1.005–1.009)**

1.002 (1.00–1.004)*

  1. *p < 0.05; ** p < 0.001
  2. aMedian (25th–75th interquartile range)
  3. RRc crude relative risk, RRa adjusted relative risk, 95%CI 95% confidence interval
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BMC Public Health

ISSN: 1471-2458

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