i. Very hard (pellet-like) and/or hard stools (Type 1 or 2 of the Bristol Stool Scale) for at least 25% of the time; or ii. Sensation of incomplete evacuation at least 25% of the time; or iii. Straining during defecation at least 25% of the time; or iv. Sensation of anorectal obstruction or blockage often during defecation at least 25% of the time; or v. Manual manoeuvres needed often to facilitate defecations (e.g. digital evacuation, support of the pelvic floor) at least 25% of the time; or vi. Fewer than 3 defecations per week.