Table 5.

Categories of effects on patients' behavior derived from the thematic analysis.

Core category	Category	Subcategory	Patients' narratives
Patients' behavior changes	Self-training	Extent of self-training	“When my motivation is high, I will walk through a corridor for self-training” (aged ≥ 65 years, Male 7).
		Cancelation of self-training for rehabilitation with therapists‡	“I never did self-training. If I did, I would be too tired to do rehabilitation with therapists” (aged ≥ 65 years, Female 1).
	Attitude	Attitude toward rehabilitation	“When my motivation is high, I demand my therapists to let me do harder training” (aged < 65 years, Male 6).
		Total time spent in a room	“I want to go shopping at the hospital store. When I have high motivation, I will not stay in my room” (aged < 65 years, Female 10).
		Attitude toward daily activities‡	“When my condition is good, I want to do what I can do in daily activities” (aged ≥ 65 years, Male 7).
	Expressions†	Facial expression	“I could smile when my motivation was high” (aged < 65 years, Female 2).
		Quality of expression	“When my motivation was high, I behaved cheerfully” (aged < 65 years, Female 2).
	Talking with other patients†		“I talked to others a lot when my motivation was high” (aged < 65 years, Female 10).
	No particular changes		“Motivation does not affect my activities. I just do what the therapist teaches me” (aged ≥ 65 years, Female 4).

^†Only for participants aged < 65 years;

^‡Only for participants aged ≥ 65 years.