Model

R

Adjusted

Age

0.845

0.714

0.627

Education/Knowledge

0.942

0.893

0.786

Marital status

0.813

0.661

0.553

Religion

0.857

0.734

0.631

Family size and income

0.865

0.748

0.612

Acceptability

0.798

0.637

0.543