The effect of introducing a financial incentive to promote application of fluoride varnish in dental practice in Scotland: a natural experiment

Table 3 Results of analysis of covariance for domain scores and financial item at time 2, adjusted for time 1 and caries risk category for the novel and continuous incentive groups

TDF domain	β	95% CI		p value
Knowledge
Time 1 covariate	0.25	0.22	0.28
Novel incentive effect	0.31	0.25	0.37	< 0.00001
Skills
Time 1 covariate	0.47	0.38	0.43
Novel incentive effect	− 1.05	− 1.2	− 0.9	< 0.00001
Social/professional role and identity
Time 1 covariate	0.64	0.60	0.67
Novel incentive effect	0.47	0.41	0.53	< 0.00001
Beliefs about consequences
Time 1 covariate	0.60	0.57	0.64
Novel incentive effect	0.35	0.31	0.39	< 0.00001
Motivation and goals
Time 1 covariate	0.35	0.32	0.38
Novel incentive effect	0.001	− 0.07	0.07	0.954
Environmental context and resources
Time 1 covariate	0.25	0.21	0.29
Novel incentive effect	0.02	− 0.01	0.04	0.277
Social influences
Time 1 covariate	0.40	0.36	0.44
Novel incentive effect	0.25	0.21	0.29	< 0.00001
Emotion
Time 1 covariate	0.42	0.39	0.46
Novel incentive effect	0.42	0.34	0.49	< 0.00001
Behavioural regulation
Time 1 covariate	0.20	0.17	0.23
Novel incentive effect	− 0.001	− 0.07	0.07	0.984
Financial compensation ⁺
Time 1 covariate	0.37	0.33	0.40
Novel incentive effect	0.98	0.83	1.14	< 0.00001

⁺Extent of agreement or disagreement on a 7-point Likert-type scale that ‘applying FV is something I receive appropriate financial compensation to do’

ISSN: 1748-5908