Patients’ awareness regarding the quality of their oral hygiene: development and validation of a new measurement instrument

Table 1 Descriptives of SPOC_n and various aggregated SPOC_d scores (N = 56)

Item	Min	Max	M	SD	Skew	Kurtosis
SPOC_n	38	100	77.5	12.3	− 1.118	1.792
SPOC_d
Total	38.2	99.1	76.7	13.2	− 0.724	0.708
Outer	42.2	98.2	82.0	11.1	− 0.943	1.645
Inner	26.8	100	71.5	16.7	− 0.639	0.284
Maxilla	37.2	100	76.2	13.2	− 0.513	0.247
Mandible	38.3	99.5	77.3	14.0	− 0.861	0.833

SPOC: Self-perceived oral cleanliness. SPOC_n: Naïve overall SPOC before being informed within the questionnaire about the standards of a dentist. SPOC_d: SPOC after being informed about the standards of a dentist. Total: SPOC_d: Mean of the SPOC_d-scores for all 12 areas of the dentition (sextants by inner vs. outer surfaces). Outer/inner: SPOC_d: Mean of the SPOC_d-scores for outer/inner surfaces. Maxilla/mandible: Mean of the SPOC_d-Scores for the inner and outer surfaces of the maxilla/mandible

ISSN: 1472-6831