Table 4.

Behavioural routinisation and durability

	Illustrative quotes
4.1 Routinisation of diet and exercise among most successful	MOST SUCCESSFUL INTERVIEWEE: [During the trial] it became an everyday occurrence that I knew I had to be weighed, and I didn’t want to go get weighed heavier, so I would stick to the diet and what they recommended to do.(…)Even before I did the study, every once in a while, I would ride my bike to work, but during the study it became more of an incentive to ride it more. Sometimes I would take my car, but during the study—since I had to report and get weighed—then I made it a habit.(…)A regular routine—not a habit. I made it a routine.
	H: I just had to figure out what worked for my schedule and, instead of going after work when I was already exhausted, I started going to the gym before work. It was hard to figure out a schedule that would work, and then figuring out how to stop—how to fight cravings and to meal prep, so I had food with me, instead of making bad choices when I was out, and always having snacks – healthy snacks with me. So, it was difficult but, after a while, it got normal.(…)Yeah, I mean, I had to find out what worked.(…)It was like a trial and error kinda thing. I had to learn that if I cooked on Sunday, I could only prep up until Wednesday because, by Friday, I would hate the food and I didn’t wanna eat it. So, I would—I learned to just prep for Monday to Wednesday. And then, I would prep Wednesday night, for the rest of the week. But I didn’t learn it until later. But, I was throwing a lot of food away because I would cook on Sunday and cook all the way to Friday, and then, by Friday, I would—Thursday, I would just be like, I hate this. So, it was difficult just trying to figure out what worked. And, like I said, I work in a courtroom. There’s not—there’s nowhere to store things. I would have to figure out, where am I gonna put this food? How am I gonna sneak away and eat this—eat the food? But, I had to figure that out. But, once you get into a rhythm and, after some trial and error, you figure it out.
4.2 Least successful difficulties with routinisation	LEAST SUCCESSFUL INTERVIEWEE: I think if I miss a day I just give up, and just have to regroup and kinda reconfigure. Because I wanna be regimented again, and it’s very hard for me to manage getting regimented.(…)(I)t was about changing my behavior and actually being able to stick to a regiment. And for me—that was where the struggle was for me. I think the study was helpful. I think they sent supportive information, the friendly reminder. It was a very well set up study. But just for me, I would just have to just kinda say I didn’t achieve my success because I really—didn’t really focus in on prioritizing the weight loss.(…)I’ve gone to see probably three additional nutritionists over that time and afterwards, and I just feel like I’m still struggling to try to get regimented, because nobody can jump in my body and tell me, you have to change.
	N: I know that I don’t have self-discipline. So I would just start off doing good and then I would relapse.