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Table 4 Changes in self-reported BCT use from pre-intervention (T1) to post-intervention (T3) by group. Numbers indicate mean (SD)

From: Randomised controlled feasibility study of a school-based multi-level intervention to increase physical activity and decrease sedentary behaviour among vocational school students

Measure Group T1 T3
BCTs sumscore (for general BCTs) Control 2.9 (0.9) 2.6 (1.5)
Intervention 2.6 (1.0) 3.3 (1.0)
BCT sumscore (for frequency-dependent BCTs) Control 2.6 (0.6) 2.1 (0.7)
Intervention 2.5 (0.8) 2.8 (1.1)
I have set PA goals for myself (“goal setting, behaviour” 1.1) Control 3.8 (1.1) 3.5 (1.6)
Intervention 3.1 (1.3) 3.8 (1.1)
I have made a detailed plan to carry out PA (“action planning” 1.4) Control 3.0 (1.6) 2.7 (1.7)
Intervention 2.6 (1.3) 3.3 (1.2)
I have written down my plan (in e.g. my calendar) (“action planning”, 1.4) Control 2.4 (1.6) 2.0 (1.6)
Intervention 2.2 (1.4) 2.9 (1.3)
I have divided large PA goals into smaller goals (“graded tasks”, 8.7) Control 1.3 (0.7) 1.6 (1.0)
Intervention 2.0 (1.1) 2.7 (1.3)
I have thought about what positive consequences regular PA would bring into my life (“keeping in mind/reminding oneself of positive consequences of PAa) Control 3.8 (1.1) 3.0 (1.2)
Intervention 3.1 (1.4) 3.3 (1.3)
I have thought about my PA goals (“thinking about own goalsa) Control 3.9 (1.0) 3.1 (1.3)
Intervention 3.3 (1.5) 3.4 (1.2)
I have monitored my own PA, e.g. by logging bouts of PA in my PA diary or mobile app (“self-monitoring of behaviour” 2.3) Control 2.1 (1.5) 1.7 (1.1)
Intervention 1.9 (1.3) 2.4 (1.4)
I have compared my actual PA with the PA goal that I had set (“discrepancy between current behaviour and goal”, 1.6) Control 2.2 (1.3) 1.8 (1.0)
Intervention 2.4 (1.3) 2.6 (1.1)
If I have not reached my PA goal, I have considered what went wrong (“barrier identification a)a) Control 2.1 (1.3) 2.1 (1.1)
Intervention 2.2 (1.4) 2.6 (1.6)
I have thought about what reasons for PA are important for me personally (“thinking about /reminding oneself of one’s own motivesa) Control 3.5 (1.2) 2.7 (1.6)
Intervention 3.1 (1.2) 3.2 (1.2)
I have considered what kind of situations prevent me from realizing my PA plan (“barrier identification b)a) Control 2.9 (1.4) 2.4 (1.5)
Intervention 2.6 (1.1) 2.8 (1.0)
I have planned ways to overcome barriers to being physically active (“problem solving”, 1.2) Control 2.3 (1.2) 1.7 (0.9)
Intervention 2.7 (1.2) 2.9 (1.3)
I have tried out new ways of being physically active (“behavioural experiments”, 4.4) Control 2.3 (1.3) 1.8 (0.6)
Intervention 1.9 (0.9) 2.3 (1.2)
I have asked my family or friends to be physically active with me (“obtaining social support”, 3.1) Control 2.3 (1.3) 1.9 (1.3)
Intervention 2.4 (1.0) 2.8 (1.2)
  1. Note. In all BCTs, Control n = 10 Intervention n = 18, except question “If I have not reached my PA goal I have considered what went wrong”, where intervention n = 17 (participant indicated having reached their PA goal). The corresponding BCT is specified in parenthesis (numbering refers to BCT Taxonomy v1, Michie et al., 2013,)
  2. a = Novel BCT for this study