Protocol Translation and CRF Design

Variable Naming and Coding Standards

Table 1

30-45 minutes Foundational Step 6 of 7

Table

Table 1

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Table

Concept	Good variable name	Poor variable name	Example coding or format
Age in months	`age_months`	`age1`	Numeric, 0-216
Weight in kilograms	`weight_kg`	`WeightNew`	Numeric, 1-200
Enrollment date	`enrollment_date`	`date`	Date, YYYY-MM-DD
Sex	`sex`	`gender_mf`	1 = Male, 2 = Female, 3 = Unknown
Malaria RDT result	`malaria_rdt_result`	`test`	1 = Positive, 0 = Negative, 9 = Not done
Fever at day 28	`fever_day28`	`fever?`	1 = Yes, 0 = No, 8 = Unknown