BMC Oral Health

Table 6 Post-hoc comparisons between flossing frequencies and delay/probability discounting

From: Delay discounting, probability discounting, and interdental cleaning frequency

Contrast	Delayed gain					Probabilistic gain
Contrast	Estimate	SE	df	t	p	Estimate	SE	df	t	p
Da–We	0.042	0.044	318	0.958	1	0	0.027	318	0.008	1
Da–Mo	0.218*	0.057	318	3.819	0.002	0.056	0.035	318	1.583	1
Da–BiAn	0.219*	0.059	318	3.729	0.003	0.045	0.036	318	1.228	1
Da–An	0.194*	0.064	318	3.031	0.034	0.058	0.04	318	1.455	1
Da–< An	0.074	0.065	318	1.13	1	− 0.032	0.04	318	− 0.798	1
We–Mo	0.176*	0.059	318	2.981	0.037	0.055	0.036	318	1.523	1
We–BiAn	0.177*	0.061	318	2.921	0.041	0.044	0.037	318	1.184	1
We–An	0.153	0.066	318	2.315	0.212	0.057	0.041	318	1.41	1
We–< An	0.032	0.067	318	0.475	1	− 0.032	0.041	318	− 0.782	1
Mo–BiAn	0.002	0.071	318	0.022	1	− 0.011	0.044	318	− 0.254	1
Mo–An	− 0.023	0.076	318	− 0.309	1	0.002	0.047	318	0.041	1
Mo–< An	− 0.144	0.076	318	− 1.891	0.536	− 0.088	0.047	318	− 1.864	0.949
BiAn–An	− 0.025	0.077	318	− 0.323	1	0.013	0.047	318	0.274	1
BiAn–< An	− 0.146	0.078	318	− 1.878	0.536	− 0.077	0.048	318	− 1.6	1
An–< An	− 0.121	0.082	318	− 1.48	0.98	− 0.089	0.05	318	− 1.777	1

	Delayed loss					Probabilistic loss
Da–We	0.068	0.045	318	1.525	1	− 0.024	0.03	318	− 0.796	1
Da–Mo	0.192*	0.059	318	3.278	0.016	0.058	0.039	318	1.499	1
Da–BiAn	0.202*	0.061	318	3.346	0.014	0.062	0.04	318	1.536	1
Da–An	0.085	0.066	318	1.293	1	− 0.059	0.044	318	− 1.356	1
Da–< An	0.1	0.067	318	1.499	1	− 0.074	0.044	318	− 1.666	0.871
We–Mo	0.124	0.061	318	2.04	0.507	0.082	0.04	318	2.036	0.444
We–BiAn	0.134	0.063	318	2.144	0.427	0.085	0.042	318	2.059	0.444
We–An	0.017	0.068	318	0.249	1	− 0.036	0.045	318	− 0.792	1
We–< An	0.032	0.069	318	0.464	1	− 0.05	0.046	318	− 1.103	1
Mo–BiAn	0.01	0.073	318	0.139	1	0.003	0.049	318	0.069	1
Mo–An	− 0.107	0.078	318	− 1.378	1	− 0.118	0.052	318	− 2.284	0.282
Mo–< An	− 0.092	0.079	318	− 1.172	1	− 0.132	0.052	318	− 2.542	0.164
BiAn–An	− 0.117	0.079	318	− 1.481	1	− 0.121	0.053	318	− 2.308	0.282
BiAn–< An	− 0.102	0.08	318	− 1.279	1	− 0.136	0.053	318	− 2.561	0.164
An–< An	0.015	0.084	318	0.178	1	− 0.015	0.056	318	− 0.263	1

Contrasts of all conditions based on the flossing/discounting models in Experiment 2. Multiple comparisons were corrected using the Holm–Bonferroni method. Discounting of gains is on the top half of the table, whereas discounting of losses in on the bottom half of the table. Self-reported flossing frequency; Da: At least once a day. We: At least once a week. Mo: At least once a month. BiAn: At least once in 6 months. An: At least once a year. < An: Less than once a year
*Statistically significant differences from mean AUC_ord by flossing frequency at α = 0.05. Contrast: groups being compared. Estimate: estimated difference between flossing frequencies. SE: standard error. df: degrees of freedom

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