Table 5.

Meta-inferences derived from the findings.

Quantitative findings	Qualitative findings derived from thematic analysis	Qualitative findings derived from framework matrix	“Fit” of data integration (confirmation, expansion, or discordance)	Meta-inferences
Most of the participants used MFDAsa more often compared with before the COVID-19 pandemic.	Convenience is vital	COVID-19 restrictions	Expansion	Staying at home is a double-edged sword as it is convenient but can lead to unhealthy behaviors.
Female participants used MFDAs less frequently than male participants.	Deliberations about other sources of meals versus meals purchased via MFDAs	Lack of culinary skills	Expansion	Cooking is valued by female participants.
Fast food was one of the most commonly bought meal types. Frequent users were less likely to consume 2 servings of vegetables per day and more likely to drink SSBsb. Graduates and nongraduating students were more likely to use MFDAs frequently compared with undergraduates.	Preference for unhealthy foods ordered from MFDAs most of the time	—c	Confirmation	Young adults’ general indifference toward healthfulness of diet
41.7% of survey participants used MFDAs frequently. Lunch was the most commonly bought meal.	Cost is king	—c	Confirmation	Cost of food delivery is trivial if time is scarce.

^aMFDA: mobile food delivery app.

^bSSB: sugar-sweetened beverage.

^cNo suitable findings for data integration.