Table 6 Multivariable regression to investigate the factors affecting the mother’s perception of respectful maternity care (second round sampling: after the intervention on midwives)

Model 1

Constant

69.051

-

6.749

< 0.001

48.884; 89.219

Education (References: Illiterate or elementary literacy)

Under high school diploma

2.123

0.072

0.765

0.445

-3.344; 7.590

High school diploma

1.323

0.041

0.451

0.652

-4.459; 7.105

College education

-7.096

-0.201

-2.251

0.025

-13.309; -0.882

Having sufficient income

-3.269

-0.111

-1.671

0.096

-7.123; 0.586

Awareness of Patient Rights

8.313

0.116

1.764

0.079

− 0.974; 17.600

Model 2

Constant

31.657

-

4.736

< 0.001

18.482; 44.833

Education (References: Illiterate or elementary literacy)

Under high school diploma

0.836

0.028

0.484

0.629

-2.570; 4.242

High school diploma

0.152

0.005

0.083

0.934

-3.449; 3.754

College education

-1.875

-0.053

-0.946

0.345

-5.783; 2.032

Having sufficient income

0.585

0.020

0.473

0.636

-1.850; 3.019

Awareness of Patient Rights

7.083

0.099

2.415

0.017

1.301; 12.866

Delivery in intervention hospital

22.169

0.780

18.422

< 0.001

19.796; 24.541

Model 1

Adjusted R² = 0.085; F for model = 5.048; P value < 0.001

Model 2

Adjusted R² = 0.645; F for model = 67.419; P value < 0.001; R² change = 0.550; F change = 339.368; P value for F change < 0.001