Table 2 Factors influencing knowledge about the dietary impact on breast milk composition (n = 1159)

TRUE

 Parity

0.115; 1.12 (0.95, 1.32)

0.168

n/a

n/a

 Duration of breastfeeding the first child

0.017; 1.02 (1.0, 1.03)

0.012^a

0.018; 1.02 (1.0, 1.03)

0.007^a

 Applied an elimination diet during breastfeeding

−0.25; 0.78 (0.6, 1.01)

0.061

n/a

n/a

 Used elimination diet and replaced breastfeeding with infant formula

−0.344; 0.71 (0.41, 1.23)

0.222

n/a

n/a

 Being a medical professional

0.299; 1.35 (1.05, 1.73)

0.017^a

0.421; 1.52 (1.16, 2.0)

0.002^a

 Applied an elimination diet according to a doctor’s recommendations

−0.058; 0.94 (0.7, 1.27)

0.699

n/a

n/a

TRUE

 Parity

−0.156; 0.86 (0.73, 1.01)

0.06

n/a

n/a

 Duration of breastfeeding the first child

−0.001; 0.999 (0.99, 1.01)

0.825

n/a

n/a

 Applied an elimination diet during breastfeeding

0.007; 1.01 (0.78, 1.31)

0.958

n/a

n/a

 Used elimination diet and replaced breastfeeding with infant formula

0.4; 1.49 (0.85, 2.62)

0.164

n/a

n/a

 Being a medical professional

−0.190; 0.83 (0.65, 1.05)

0.123

n/a

n/a

 Applied an elimination diet according to a doctor’s recommendations

−0.194; 0.82 (0.61, 1.1)

0.194

n/a

n/a

TRUE

 Parity

−0.294; 0.75 (0.63, 0.88)

<  0.001^a

−0.254; 0.78 (0.66, 0.92)

0.003^a

 Duration of breastfeeding the first child

−0.007; 0.994 (0.98, 1.01)

0.304

n/a

n/a

 Applied an elimination diet during breastfeeding

−0.009; 0.991 (0.765, 1.29)

0.948

n/a

n/a

 Used elimination diet and replaced breastfeeding with infant formula

0.211; 1.24 (0.71, 2.15)

0.456

n/a

n/a

 Being a medical professional

0.474; 1.61 (1.26, 2.05)

<  0.001^a

0.419; 1.52 (1.19, 1.95)

<  0.001^a

 Applied an elimination diet according to a doctor’s recommendations

0.021; 1.02 (0.76, 1.37)

0.888

n/a

n/a

TRUE

 Parity

−0.280; 0.76 (0.64, 0.89)

<  0.001^a

− 0.276; 0.76 (0.62, 0.92)

0.006^a

 Duration of breastfeeding the first child

−0.019; 0.98 (0.97, 0.99)

0.004^a

−0.019; 0.98 (0.97, 0.99)

0.005^a

 Applied an elimination diet during breastfeeding

0.099; 1.1 (0.85, 1.43)

0.457

n/a

n/a

 Used elimination diet and replaced breastfeeding with infant formula

−0.184; 0.83 (0.48, 1.46)

0.52

n/a

n/a

 Being a medical professional

0.404; 1.5 (1.18, 1.91)

0.001^a

0.372; 1.45 (1.11, 1.89)

0.006^a

 Applied an elimination diet according to a doctor’s recommendations

−0.26; 0.97 (0.73, 1.31)

0.861

n/a

n/a

TRUE

 Parity

0.01; 1.01 (0.82, 1.24)

0.922

n/a

n/a

 Duration of breastfeeding the first child

0.020; 1.02 (1.0, 1.04)

0.022^a

0.020; 1.02 (1.0, 1.04)

0.021^a

 Applied an elimination diet during breastfeeding

0.386; 1.47 (1.04, 2.09)

0.03^a

0.242; 1.38 (0.97, 1.96)

0.418

 Used elimination diet and replaced breastfeeding with infant formula

−0.309; 0.73 (0.39, 1.4)

0.346

n/a

n/a

 Being a medical professional

0.231; 1.26 (0.92, 1.72)

0.146

n/a

n/a

 Applied an elimination diet according to a doctor’s recommendations

0.403; 1.5 (1.0, 2.24)

0.05^a

0.126; 1.42 (0.95, 2.14)

0.713

TRUE

 Parity

−0.122; 0.89 (0.75, 1.04)

0.143

n/a

n/a

 Duration of breastfeeding the first child

0.005; 1.01 (0.99, 1.02)

0.427

n/a

n/a

 Applied an elimination diet during breastfeeding

0.677; 1.97 (1.5, 2.59)

<  0.001^a

−1.08; 1.97 (1.5, 2.59)

<  0.001^a

 Used elimination diet and replaced breastfeeding with infant formula

0.145; 1.16 (0.66, 2.03)

0.615

n/a

n/a

 Being a medical professional

0.06; 1.06 (0.83, 1.36)

0.63

n/a

n/a

 Applied an elimination diet according to a doctor’s recommendations

0.438; 1.55 (1.14, 2.1)

0.005^a

0.55; 1.55 (1.14, 2.1)

0.055