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. 2021 Mar 18;18(6):3153. doi: 10.3390/ijerph18063153

Table 2.

Example of self-generated identification code.

Question Stem: What Is the…
Month You Were Born? Sex You Were Assigned at Birth, on Your Original Birth Certificate? First Initial of Your First Middle Name? First Letter of Your Mother’s or Female Caregiver’s First Name? Number of Older Siblings (Brothers and Sisters) That You Have? Self-Generated Identification Code
Example response Code Created November
11
Female
F
Jean
J
Marjorie
M
0
00
11FJM00