Table 6.

Quotes about determinants of physical activity (PA) and sedentary behavior (SB) on the individual (biological) level.

Subcategories of Biological Level	Quotes during Pregnancy	Quotes during the Postpartum Period
Physiology	Quote SB6 (pregnant woman 5)—discomfort: “At my job I don’t sit much and as a self-employed person I kept on working. But I would sit down more often in between, if I noticed that it had been a bit too much, I just sat down and let my patients do more by themselves during a therapy session. But in the evening, I had to interrupt the sitting time. If I sat down too long, I would get really restless”. Quote PA32 (pregnant woman 19)—physiological changes: “I’m already feeling shortness of breath when I go up the stairs. I’m ashamed, this is not me, where did my physical fitness level go?” Quote PA33 (pregnant woman 18)—perceived physical restrictions: “My motion space; I did not expect that my belly would have such an impact on my normal movements. Sometimes I forget that it’s there, and I crash into something or I don’t fit through somewhere I would normally fit through…”	Quote PA31 (first-time father 11)—fatigue: “Yes, fatigue is an important factor of course, going for a run with a tired body, all my trainings are difficult nowadays, that used to go better, but now my running tempo is much lower than what it used to be”. Quote PA34 (first-time mother 15)—Recovery after pregnancy: “I really do want to go back to exercising but I’m not allowed to do anything at all, I’m only allowed to swim and walk and that’s what I do”.