on the following static data , what could be a four or three good hypothesis of fast food and obesity

one main hypothesis explaining the relation between fast food and obesity

for the ( 3) alternate hypothesis what could be other causes for obesity

static data tables:-

Table 2 Characteristics of Fast-Food Consumption Among Michigan Adults Who Frequent Fast-Food Restaurants, Michigan Behavioral Risk Factor Survey, 2005 (n = 3,279) Frequency of Fast-Food Consumption,% (95% CD) Characteristic Overall, % (95% CI)