1: 1 - Usually constipation (like Type 1 or 2 in the picture)
2: 2 - Usually diarrhea (like Type 6 or 7)
3: 3 - Both diarrhea and constipation - that is, more than ¼ of all the abnormal bowel movements were constipation and more than ¼ were diarrhea
4: 4 - Not applicable, because I never or rarely had abnormal bowel movements