Skip to main content

Table 4 Bivariate and multivariable logistic regression of selected explanatory factors and lactational mastitis, pooled sample (N = 3,314)

From: Prevalence of and factors associated with lactational mastitis in eastern and southern Africa: an exploratory analysis of community-based household surveys

 

Unadjusted odds ratio (95% CI)

Adjusted odds ratio (95% CI)

Age a

  15 – 24 years

1.0

1.0

  25 – 35 years

0.79 (0.64, 0.96)

0.88 (0.68, 1.13)

  36 – 49 years

0.56 (0.24, 1.31)

0.71 (0.33, 1.54)

Time since birth

  < 6 months

1.0

1.0

  6–24 months

1.42 (1.38, 1.47)

1.46 (1.37, 1.55)

Highest education level

  Never attended school

1.0

1.0

  Some primary

2.21 (1.24, 3.95)

2.19 (1.18, 4.06)

  Completed primary

2.38 (1.01, 5.60)

2.26 (0.96, 5.29)

  Some secondary or higher

2.46 (1.17, 5.19)

2.74 (1.19, 6.31)

Household wealth index quartile

  Poorest

1.0

1.0

  Poorer

0.63 (0.26, 1.51)

0.65 (0.28, 1.49)

  Richer

0.86 (0.79, 0.93)

0.75 (0.66, 0.85)

  Richest

0.47 (0.15, 1.52)

0.42 (0.13, 1.35)

Parity

  Multiparous

1.0

b

  Primiparous

1.17 (0.81, 1.69)

 

Most recent birth by caesarean section

  No

1.0

1.0

  Yes

1.84 (0.91, 3.74)

1.46 (1.07, 2.00)

Counselling on breastfeeding during PNC of newborn

  Yes, immediate (48 h after birth)

1.0

b

  Yes, delayed (> 48 h after birth)

1.15 (0.41, 3.21)

 

  Noc

1.04 (0.65, 1.68)

 

Observation of breastfeeding during PNC of newborn

  Yes, immediate (48 h after birth)

1.0

1.0

  Yes, delayed (> 48 h after birth)

1.28 (0.57, 2.88)

1.07 (0.38, 3.03)

  Noc

1.10 (0.76, 1.58)

0.99 (0.53, 1.89)

Prelacteal feed

  No

1.0

1.0

  Yes

2.31 (0.78, 6.82)

2.15 (0.70, 6.61)

  1. Abbreviations: CI confidence interval, PNC postnatal care
  2. aMaternal age was collapsed into broader categories due to sample size limitations; bExcluded from the final model due to collinearity; cIncludes participants who did not receive counselling on/observation of breastfeeding within PNC and those who did not receive PNC at all