Table 5 The relationship between knowledge and sociodemographic characteristics with viewpoint of adolescent girls about child marriage based on the multivariate logistic regression model

Knowledge (Reference: Poor)

–

–

Good

5.05 (0.51–50.31)

0.167

Average

5.71 (0.61–2.95)

0.125

Mother’s Education (Reference: University)

–

–

Illiterate/Elementary school

2.10 (24.26–0.08)

0.654

Secondary school

0.57 (17.53–0.02)

0.748

High school/diploma

1.43 (0.09–21.56)

0.795

Father’s Education (Reference: University)

–

–

Illiterate/Elementary school

3.36 (0.13–86.69)

0.464

Secondary school

0.86 (0.04–18.02)

0.926

High school/diploma

1.74 (0.11–7.39)

0.693

Number of brothers (Reference: ≥2)

–

–

0

0.75 (0.08–6.80)

0.798

1

0.84 (0.15–4.65)

0.843

Marital status (Reference: Married)

–

–

Single

0.32 (0.03–2.91)

0.313

The marriage of parents under the age of 18 years old (Reference: No)

–

–

Yes

0.00 (1.12–1.03)

0.998

The traditional marriage of parents (Reference: No)

–

–

Yes

2.59 (15.70–0.43)

0.299

The marriage of close or distant relatives under the age of 18 years old (Reference: No)

–

–

Yes

1.19 (9.25–0.15)

0.869

Appropriate age of marriage for girls (Reference: ≥20)

–

–

< 20

13.82 (73.16–2.61)

0.002

Final decision-maker about the girls’ marriage (Reference: Others*)

–

–

My self

0.55 (0.11–2.89 )

0.483

Disagreement with parents if they decide to girls’ marriage under the age of 18 years old (Reference: No)

–

–

Yes

0.09 (0.63–0.01)

0.016