TABLE 3.

The themes and subthemes generated from the results

Themes	Subthemes
Have the motivation to Change diet	Physical burden driven
	Social activity driven
Need strategies to change diet	Trial‐and‐error approach
	Challenging past dietary habits
	Coordination between diet and other social activities
	Passive adaption based on the relationship between diet and defecation dysfunction
	Information support acquirement
Face barriers to changing diet
	Confliction with nutrition requirements
	Conflicting information from different channels
	The influence of the external environment
	Lack of self‐control
	Excessive restriction of foods