Point 15 in the category of QUESTIONs is defined as:
VAGUE alternative question with ‘or something else’ as the second alternative to a noun phrase, to refer to something non-specific.
Ultimately, does longer life as we know it come down to diet, exercise, medicine, or something else?
A search in iWeb for:
_N or something else ?
1 ISSUE OR SOMETHING ELSE ? 30
2 PROBLEM OR SOMETHING ELSE ? 22
3 OR SOMETHING ELSE ? 13
4 THING OR SOMETHING ELSE ? 10
5 ACCIDENT OR SOMETHING ELSE ? 7
*Very low frequency! Yet, we can see that most of the vocabulary suggests this phrase is found in negative situations.