Table 1

Fields included on the coding sheet

Facebook

Twitter

YouTube

Flickr


Facebook (FB) page URL

Twitter URL

Youtube URL

Flickr URL


Number of people who like the FB page

Number of tweets in one month & total all-time tweets

Date YouTube channel was established/joined

Date joined Flickr


FB Photos (yes/no) & number of photos

Number of Twitter followers

Number of YouTube upload views

Number of photos in photo stream


Date of first/last FB wall post

Number of Twitter users the state is following

Number of YouTube subscribers

Number of photo sets/photos in each set


FB discussions (yes/no) & number of discussions

Date of the first/last tweet

Number of YouTube channel views

Number of photo set views


FB events (yes/no) & number of events

Total re-tweets

Number of YouTube videos posted

Number of comments on each photo set


FB videos (yes/no) & number of videos

Total @ symbols (replies or responses)

Name of YouTube video

Date of photo set


Date of the individual FB wall post

Total hash-tag symbols

Date YouTube video was posted


Internal or external post (yes/no)

Post tweet via third-party API

Number of YouTube video views


Post an auto feed (yes/no)

Number of YouTube video likes/dislikes


FB post original (yes/no)

Number of YouTube video comments


Total number of comments on FB individual post


Total number of likes on FB individual post


Thackeray et al. BMC Public Health 2012 12:242   doi:10.1186/1471-2458-12-242

Open Data