You could have a look at the PISA questionnaire (and methodology), which includes both types of variables.

https://www.oecd.org/pisa/

Augustine Nyarko , this link maybe useful for designing survey tools

World Bank Document: https://documents1.worldbank.org/curated/en/452741468778781879/pdf/multi-page.pdf

Yes, I will try to find it and send you.

FACTORS AFFECTING THE ACADEMIC PERFORMANCE OF UNDERGRADUATE STUDENT NURSES

Questionnaire

Part I- Demographic Profile

Direction: Please check the appropriate choice

Age: ____ 20-24 years ____25-29 years ____ 30-34 years ____35-39 years ____ 40-44 years

Gender: ____ Male ____ Female

Program: _____BSN ____Post, RN BSN

Semester: ____ 2nd _____4th ______6th ______8th

Marital Status: _____ Single _____ Married _____ Widow/Widower _____ Divorce

Socio-Economic Status:

Total Monthly Household

___ (>5, 00000- 1, 00000 –