Table 3

Unadjusted and adjusted logistic regression analyses exploring the relationship between 14 GP interactions about physical activity and participants’ level of physical activity equal to and above or below 600 MET-min/week

Behavior change technique (BCT)	GP independent variables: Has your GP ever said or done any of the following?	Unadjusted parameter estimates			Adjusted parameter estimates†
Behavior change technique (BCT)		B	Exp(B)	95% CI	B	Exp(B)	95% CI	R²_N
Provide information about behavior–health link	Gave you general advice about physical activity (eg, ‘physical activity is important’)	0.39	1.48	0.89 to 2.44	0.31	1.36	0.77 to 2.41	0.28
Provide instruction	Provided specific instructions on how to increase your physical activity	−0.56	0.57*	0.34 to 0.095	−0.54	0.59	0.36 to 1.05	0.29
Prompt specific goal setting	Helped you set physical activity goals	0.57	1.77	0.83 to 3.78	0.35	1.41	0.61 to 3.30	0.28
Prompt specific goal setting	Provided advice on the type of physical activity you need to do	−0.46	0.63	0.39 to 1.02	−0.44	0.65	0.37 to 1.12	0.28
Provide information on consequences	Provided information about the benefits of physical activity for your general health	0.35	1.41	0.89 to 2.24	0.17	1.18	0.70 to 1.99	0.28
Provide information on consequences	Provided information about the benefits of physical activity for your diabetes	0.17	1.18	0.75 to 1.88	−0.12	0.88	0.52 to 1.50	0.28
Provide feedback on performance	Praised your efforts to be active	0.91	2.49**	1.56 to 3.98	0.74	2.1**	1.24 to 3.53	0.30
Provide contingent rewards	Praised you when you lost weight from being active	0.57	1.77*	1.1 to 2.86	0.59	1.81*	1.05 to 3.12	0.29
Provide contingent rewards	Praised you when you were able to lower your blood glucose levels as a result of being active	0.81	2.24**	1.4 to 3.59	0.56	1.75*	1.03 to 2.96	0.29
Provide general encouragement	Gave you encouragement to be active	0.48	1.61*	1.01 to 2.58	0.49	1.64	0.96 to 2.78	0.29
Prompt self-monitoring of behavior	Monitored your physical activity	0.64	1.89	0.92 to 3.89	0.44	1.55	0.68 to 3.49	0.28
Relapse prevention	Helped you get back on track if you stopped being active for any reason	0.39	1.47	0.76 to 2.84	0.61	1.84	0.86 to 3.92	0.29
Other	Told you to lose weight‡	0.40	1.49	0.9 to 2.43	0.23	1.26	0.69 to 2.3	0.28
Other	Told you to be more active‡	0.29	1.34	0.84 to 2.14	0.07	1.1	0.62 to 1.84	0.28

*p<0.05; **p<0.01.
†Adjusted logistic regression controls for gender, body mass index (BMI), depressive symptoms (WHO-5 total scores), self-efficacy (BARSE total scores) and diabetes-specific comorbidities.
‡Did not map onto BCT taxonomy.16
BARSE, Barriers Self-Efficacy; GP, general practitioner.