This is the official name for people with a fear for the NUMBER 13.
So what is the connection of this fear to the Tiong Bahru Estate?
The person who “addressed” all the units here was probably suffering from TRISKAIDEKAPHOBIA.
To confirm this, just take a walk to Block 73 Eng Watt Street, Block 78 Moh Guan Terrace and Block 82 Seng Poh Road and you would have noticed that unit number 13 is missing.
For example, there will be a #01-11 and a #01-15 and you will never be able to find a #01-13, #02-13, #03-13 or #04-13.
This post may seem a bit rush as I do not wish to post it tomorrow. LOL