Dining Etiquette Ranking - Percentage

From StatWiki

52% of 2,500 members of "It's Just Lunch" ranked being rude to waiters first as the worst in dining etiquette. Blowing your nose at the table was ranked first by 35% of those surveyed.

It's Just Lunch is a dating service for professionals.

Also, according to USA Today, Many CEOs say the way a potential employee treats a waiter offers insight into that person's character and ability to lead.

[edit] Source

[Reader's Digest, January 2010, p. 119]