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Table 2 Changes in (i) students’ knowledge of SDT-based communication strategies and (ii) behavior change techniques following completion of the program

From: Evaluating the effects of behavior change training on the knowledge, confidence and skills of sport and exercise science students

Component Median
pre-training
(IQR; min-max)
Median
post-training
(IQR; min-max)
Z scorea p-value
Knowledge of SDT-based communication strategies total
[possible score of 11] b
3.0 (2.0; .0–3.0) 4.0 (2.0; .0–6.0) 2.5 0.01
1. Open questions [number, % used in response] 4 (26.7%) 10 (66.7%) NAd 0.07
2. Staying silent [% used in response] 0 (0.0%) 5 (33.3%) NAd 0.06
3. Summaries [% used in response] 0 (0.0%) 4 (26.7%) NAd 0.13
4. Reflection [% used in response] 0 (0.0%) 6 (40.0%) NAd 0.03
5. Asking permission [% used in response] 0 (0.0% 1 (6.7%) NAd 1.00
6. Providing a meaningful rationale [% used in response] 7 (46.7%) 5 (33.3%) NAd 0.69
7. Opportunities for client input/choice [% used in response] 4 (26.7%) 4 (26.7%) NAd 1.00
8. Autonomy supportive language [% used in response] 4 (26.7%) 4 (26.7%) NAd 1.00
9. Goal setting [% used in response] 5 (33.3%) 8 (53.3%) NAd 0.45
10. Barrier identification [% used in response] 3 (20.0%) 6 (40.0%) NAd 0.45
11. Solution identification [% used in response] 4 (26.7%) 4 (26.7%) NAd 1.00
Knowledge of behavior change techniques (BCT) total
[possible score of 6]c
3.5 (2.3; 0.0–6.0) 4.0 (4.3; 1.0–6.0) 0.8 0.41
1. BCT 2.2 provide feedback on behavior [% correct] 12 (85.7%) 10 (71.4%) NAe 0.63
2. BCT 5.1 information on health consequences [% correct] 9 (64.3%) 7 (50.0%) NAe 0.69
3. BCT 12.5 adding objects to the environment [% correct] 9 (64.3%) 14 (100%) NAe 0.06
4. Application of incorrect BCTs [% present] 9 (64.3%) 5 (35.7%) NAe 0.18
  1. a Difference between pre and post-program results;
  2. b Individual questions listed as the percentage of students who answered the question correctly, and/or included a strategy in their response;
  3. c Pre and post-BCT data relates to 14/15 students due to missing data;
  4. d Nominal data therefore McNemar’s test calculated; *: p < 0.007 is significant following Bonferroni correction; ** p < 0.01 is significant following Bonferroni correction