Table 4 Multivariate analysis of socio-demographic variables associated with CU

Model 1 (without caste system)

Mother tongue

 Saraiki

2.01

0.26

<0.0001

1.55–2.60

Literacy

 Religious education

1.31

0.18

0.040

1.01–1.71

 Illiterate

1.42

0.19

0.008

1.10–1.83

Marriage arrangement

 Reciprocal marriage

1.82

0.25

<0.0001

1.39–2.37

Parental marriage type

 Consanguineous union

3.06

0.32

<0.0001

2.50–3.75

Model 2 (with Caste-system)

Caste-system

 Khokhar

5.41

3.20

0.004

1.70–17.25

Mother tongue

 Saraiki

1.93

0.61

0.038

1.04–3.59

Literacy

 Illiterate

1.41

0.22

0.024

1.05–1.91

Marriage arrangement

 Reciprocal marriage

1.64

0.29

0.006

1.15–2.33

Parental marriage type

 Consanguineous union

2.87

0.35

<0.0001

2.25–3.65