Table 6 A model of the effect of literacy on newborn care score (model) and the same model with place of delivery as additional predictor and an interaction term of literacy* place of delivery (model 2)

 Illiterate

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 Literate

0.66 (0.59–0.72)

0.35 (0.31–0.39)

0.80 (0.73–0.87)

0.65 (0.57–0.72)

 Constant

3.85 (3.60–4.11)

4.86 (4.60–5.12)

3.27 (3.13–3.41)

3.37 (3.23–3.52)

 Illiterate

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 Literate

0.28 (0.22–0.35)

0.21 (0.17–0.25)

0.42 (0.35–0.48)

0.43 (0.36–0.51)

 Home - SBA

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 Home+SBA

1.12 (0.94–1.30)

0.61 (0.46–0.75)

0.83 (0.60–1.06)

1.22 (0.61–1.82)

 Facility

1.42 (1.32–1.51)

1.00 (0.90–1.11)

1.77 (1.66–1.87)

2.08 (1.83–2.32)

 Home + SBA*literate

0.15 (− 0.11–0.41)

0.04 (− 0.13–0.22)

0.08 (− 0.29–0.44)

0.69 (− 0.03–1.41)

 Facility*literate

0.04 (− 0.09–0.17)

−0.02 (0.14–0.09)

0.11 (− 0.02–0.25)

− 0.33 (0.62 - -0.05)

 Constant

3.61 (3.39–3.84)

4.74 (4.45–5.04)

2.96 (2.82–3.10)

3.30 (3.19–3.41)