Returns a list mapping gender labels to database values.
Value
Named list. Keys are labels ("mens", "womens"),
values are database values ("male", "female").
Examples
get_gender_categories()
#> $mens
#> [1] "male"
#>
#> $womens
#> [1] "female"
#>
# Returns: list(mens = "male", womens = "female")
