Table 1 Forum descriptions.

From: Missing the mark? Identifying child sexual abuse material forum structure and key-players based on public replies and private messaging networks

Descriptions

Forum A

Forum B

Total registered usersa

936,110

592,345

 

Public postsb

Total

194,551

656,824

Thread starters (percentage)

25,235 (13.0%)

29,995 (4.6%)

Md per day (MAD)

369 (78.5)

1715 (343)

 

Private messages

Total

58,484

61,992

Md per day (MAD)

112.5 (30.5)

163 (40)

  1. MAD median absolute deviation.
  2. aExcluding n = 39 users with faulty user IDs from forum A and n = 1 users with faulty user IDs from forum B.
  3. bExcluding n = 431 posts from or replies to faulty user IDs and n = 1236 posts that replied to non-existing threads in forum A and n = 4503 posts from or to faulty user IDs and n = 1026 posts that were replies to non-existent threads on forum B.
Back to article page