Table 4.

March 5, 2015 (12:00 PM to 1:15 PM Central Time) #LiveFitNOLA Twitter chat Information-Community-Action (I-C-A) Framework: Coding categories for communication themes, tweet exemplars, and percentage.

Theme	Subtheme	Definitions and examples	n (%)
Information sharing	Health information	Disseminating research findings, tip or advice, tools or resources, health news, and general information about health-related events A2: Social support influences all aspects of health. Proper support has been shown to health increase physical activity . #LiveFitNOLA	137 (27.9)
	Health opinion	Expressing original (not merely affirming another tweet or statement) opinions on health-related issues (unbacked by information or data included in the tweet) @TulanePRC A3. I also think we do not treasure our health or bodies and so we do not treat them as gifts! #LiveFitNOLA	90 (18.3)
	Health experience	Sharing personal or family or friend or experience with health problems or regarding health-related topics @CDCChronic yep! I don’t go to a Gym. I do workouts on YouTube #LiveFitNOLA	73 (14.8)
	Asking	Asking questions about health or health-related issues @Tastedat is all about food so wheres your favorite place to eat out health? #LiveFitNOLA	14 (2.8)
Positive affect or Interpersonal closeness		Showing positive affect such as appreciation, greeting, agreement, affirmation, and congratulation; showing interpersonal closeness @frenchmktnola @tulaneprc so awesome! Thank you for joining! #LiveFitNOLA	156 (31.7)
Action or activism or advocacy		Raising awareness, promoting health-related causes, and prompting receivers to take actions such as signing petition, making donation, sharing information, and participating in events A3. Find out if you are at risk for diabetes and ways to prevent it bit.ly/1EORNDQ (2/2) #LiveFitNOLA	19 (3.8)
Unable to determine		Lacks sufficient contextual information to determine the category or unrelated to health @TulanePRC #LiveFitNOLA	2 (0.4)