Table 6.

Supportive quotes of intervention outcomes at follow-up of participants LTPA engagement and motivation, and experience of intervention delivery.

Theme	Sub-theme	Example Quotes*
LTPA engagement maintained at follow-up (n = 4)	Increased competence (n = 4)	“When I start to have shoulder pain, I lower the (number) of exercises. I learned that with the program, and with my motivation from ‘Adapt your life.’ I learned that I have to listen to my body, to my pains” (Qc01). “I knew I could start doing it again because I already succeeded before” (Qc04). “But I was able to paint that front entranceway as high as I could reach with my hands and my husband is going to have to take care of the rest because I can't do everything. But that would not have ever been possible before I did this program. So, the stamina was there to do the basecoat and the treating and then two days went by, maybe a week went by, I looked at it, tried to figure out (…) So all that to say that that's an incredible thing. To be able to be part of redecorating my home and doing what I did before it's so empowering and it's nice. Every time I come into my house, I look at what I did, and it reinforces all that positive energy” (TEQ #27).
	Increased autonomous motivation (n = 3)	“I am still motivated, and I continue to do my exercises, and I try to keep my manual wheelchair as long as I can” (Qc01). “By the end of the 10 weeks, it became a habit to roll two times a day. I just continued” (Qc02). “I do need their help to install the wheel, however. This dependence is difficult, but it’s my routine. However, I don’t need their motivation. I usually play music when I’m training” (Qc04).
	Previous LTPA knowledge use (n = 2)	“Because I've done a lot of that in the past, like I said, a lot of training and a lot of coaching, I was able to say, ‘Okay. This is your first stage, this is your second stage, this is your third stage.’ I'm able to break the task down to achieve goals further on into the future because I'm able to break it down into stages. Okay, well, you can do your three miles, yet, you have to walk around the block first. Someone who doesn't have that experience or knowledge, I don't know how they would react after that. But for me, this is how it worked” (TEQ #27).
LTPA engagement not maintained at follow-up (n = 6)	Decreased autonomous motivation to engage in LTPA (n = 5)	“Job-related is just basically how busy we've been. It's interfered with a lot of stuff. And then from there also some health-related issues got in the way. That's one of the more difficult things to deal with. Quality of life and taking care of yourself is one of the most important parts, but it's kind of hard to do when you're already dealing with other health issues” (TEQ #8).
	Decreased competence to engage in LTPA	“It’s the fear that is there. I developed fears. I was never sacred in my life. If someone’s able to do something, it is me. I’m not crazier than the next person, I am capable. I do things very well. But now, today, I live with fears. I’ve never had to deal with that before in my life. It becomes a challenge managing all of this” (Qc01).
	Increased frustration, decreased relatedness, due to limited access to facilities (n = 3)	“It discouraged me when the physio let me go here at the Rehabilitation Center of Saint-Hubert. They decided: ‘Well, [sir], we were unable to attain the objectives of walking as far as you are concerned. So, we must stop here, because us, the physios, we’re there to get you back on your feet, but you will be staying in the wheelchair for a long time since your spinal cord injury is so deep,’” (Mtl101). “When I leave the house, it’s only to use adapted transportation. Since I cannot perform much and the revenues at my age decrease drastically (which is what allows me to go to the center and move around), I don’t have the will to just move around. I must have a goal at the time, there must be a reason for me to go. But just to move around, it takes too much effort and costs too much. With the laziness, it’s a few years since I stopped doing the groceries myself. Now, with getting groceries delivered to us through internet, we don’t have to exhaust ourselves and it costs less than adapted transport” (TEQ #100)?
Suggestions for future directions:	Having on-going follow-ups	“Without anyone on top of you, you end up letting go. This is why I think it would be better to do it on a 6 month to a year basis, depending on what people need. The follow ups shouldn’t necessarily only be about the exercises, but some people might need them for motivation or support. And this could maybe be done in bunches. There may not be enough resources to cater to everyone individually, but you could have one consultant for a few people at the same time. The calls don’t have to be 1 hour, they could just be 10 minutes. If you’re talking and you realize thing are going well, you can end it there and continue” (TEQ #6). “They could suggest different things to put an emphasis on. If you have any problems, these follow ups would allow you to discuss them with a consultant and find a solution” (TEQ #6).
	Having a counselor or professional accessible to answer questions	“I think as long as possible. I think it would be good to have these check ins, it could even be on demand, to answer questions that you might have or even have an online consultation” (TEQ #6). “I think I would place a greater emphasis on questions and answers. For example, being able to ask a physiotherapist or and occupational therapist questions. Being able to have the answers to your question. It not always easy to immediately understand how to do an exercise. It’s one thing observing someone else doing it and another doing it yourself. You can’t do things any way. You risk injuring yourself” (TEQ #6). “I don't know whether it's part of the program to have specialized people that could be on hand, like someone who's maybe a kinesiologist or maybe someone – a psychology student or someone that could be also part of that program. If there was an element that I would need that [Kate] could say, ‘Well, I can't really answer that question but I could maybe have this person call you and maybe they might be able to respond to your question.’ It'd be having specialized people that would not be part of the program – well, would be part of the program but would not affect, I guess, the statistics that you would be taking. It'd be sort of in the side. I don't know if that would be helpful. Or maybe partnering with maybe a rehabilitation center or someone who's already doing that sort of thing that they could say, ‘We have some participants that from time to time might need some guidance or some whatever, some intervention. Would you be prepared to partner with us? And we can send you the names or they can call you and set up appointments or something like that’” (TEQ #27)?

*The quotes presented in the table are additional, supportive quotes of participants LTPA engagement and motivation, and experience of intervention delivery. All supporting quotes for autonomy, competence, and relatedness support are found in-text.