Table 2.

Number of mind maps with and median number of concept subthemes per mind map pre- and post- systems thinking sessions.

	Definition	Pre-Session (n = 19)		Post-Diagramming Session (n = 14)		Post-Final Session (n = 13)
		# of mind maps (%) with sub- theme	Median (Range) of sub- theme occurrences per mind map	# of mind maps (%) with sub- theme	Median (Range) of sub- theme occurrences per mind map	# of mind maps (%) with sub- theme	Median (Range) of sub- theme occurrences per mind map
Physiology
Biological, genetic influences	Words or phrases that relate to physiological or genetic influences such as genes/genetics, family heritage, ‘run in the family’, biology, metabolism	2 (10.5%)	0 (0–1)	2 (14.3%)	0 (0)	0	0 (0)
Physical, health, disease outcomes	Words or phrases that relate to physical or health-related outcomes such as heart disease, diabetes, cholesterol, pain.	10 (52.6%)	1 (0–2)	10 (71.4%)	3 (0–8)	8 (61.5%)	1 (1–4)
Food and Physical Activity
Unhealthy foods	Foods or food properties that are generally considered less healthful such as fast food, soda, sugar, fats	13 (68.4%)	1 (0–4)	10 (71.4%)	1 (0–4)	10 (76.9%)	2 (0–5)
Physical Inactivity	Words or phrases related to physical activity (e.g., exercise) qualified as low or not existing	14 (73.7%)	1 (1–2)	9 (64.3%)	1 (0–3)	5 (38.5%)*	0 (0–1)
Psycho-social
Individual attributions	Words or phrases that relate to individual responsibility for health behaviors such as laziness, self-control, overeating, etc.	11 (57.9%)	1 (0–4)	5 (35.7%)	0 (0–2)	7 (53.8%)	1 (0–3)
Individual emotional, psychological responses	Words or phrases that relate to individual emotional or psychological issues such as stress, self-esteem, frustration, emotional problems, lack of confidence, self- doubt	14 (73.7%)	1 (0–4)	12 (85.7%)	1 (0–4)	9 (69.2%)	1 (0–3)
Parental influences	Words or phrases that relate to parental influences such as unhealthy parents, parenting	0	0 (0)	1 (7.1%)	0 (0–1)	1 (7.7%)	0 (0–1)
Peer influences	Words or phrases that relate to influences from peers such as peer pressure, relationship problems, bullying	2 (10.5%)	0 (0–2)	5 (35.7%)	0 (0–3)	1 (7.7%)	0 (0–1)
Food Environment
Food appeal	Words or phrases that relate to the appeal of foods such as enticing, tasty	1 (5.3%)	0 (0–2)	1 (7.1%)	0 (0–1)	3 (23.1%)*	0 (0–1)
Food price/affoordability	Words or phrases that relate to the cost of foods such as fast food prices, price of food, healthy foods cost too much	6 (31.6%)	0 (0–1)	3 (21.4%)	0 (0–3)	2 (15.4%)	0 (0–2)
Food access/convenience	Words or phrases that relate to the ease of accessing or preparing foods such as ‘more fast food restaurants’, ‘not time to cook’	2 (10.5%)	0 (0–1)	0	0 (0)	1 (7.7%)	0 (0–1)
Food advertising	Words or phrases that relate to the advertisement or promotion of foods such as commercials, food ads	2 (10.5%)	0 (0–1)	3 (21.4%)	0 (0–1)	2 (15.4%)	0 (0–1)
Physical Activity Environment
Physical activity access/convenience	Words or phrases that relate to the ability to access places to be physically active such as ‘less sidewalks’, ‘no gyms’	2 (10.5%)	0 (0–2)	0	0 (0)	1 (7.7%)	0 (0–1)
Physical activity affordability	Words or phrases that relate to the cost of accessing places to be physically active such as ‘affoordable prices for gyms’	2 (10.5%)	0 (0–1)	0	0 (0)	2 (15.4%)	0 (0–1)
Other
Socioeconomic status	Words or phrases that denote one’s socioeconomic status such as education, income, ‘lack of money’	2 (10.5%)	0 (0–4)	6 (42.6%)	0 (0–2)	8 (61.5%)*	1 (0–3)
Solutions	Words or phrases that are an explicit indication of a potential solution or strategy to address obesity such as ‘use celebrities’	0	0 (0)	0	0 (0)	1 (7.7%)*	0 (0–4)

^*Odds of mind map having the node significantly increased across sessions (p < 0.01).