As section 15's words "in particular" hint that the explicitly named grounds do not exhaust the scope of section 15, additional grounds can be considered if it can be shown that the group or individual's equality rights were denied in comparison with another group that shares all of the same characteristics except for the personal characteristic at issue. A personal characteristic is considered "analogous" to the ones enumerated in section 15 if it is "immutable" or cannot be changed or can only be changed at excessive cost (constructively immutable). Thus far, several analogous grounds have been identified: