Periodontal maintenance: individual patient responses and discontinuations

BMC Oral Health

Table 2 Differences in variables between patients of non-adherence with SPT (NAG) versus adherence with SPT (AG) in a university setting

Variable	Group	N	Mean (SD)	T	Effect size
Age at T1	AG	58	55.67 (11.60)	3.54**	0.65
	NAG	61	48.23 (11.36)
Years in SPT	AG	58	14.98 (10.61)	− 0.49	0.09
	NAG	61	15.85 (8.92)
Number of teeth at T1	AG	58	25.48 (3.55)	0.62	0.11
	NAG	61	25.05 (4.00)
Loss of teeth during observation time (T2–T1)	AG	58	2.29 (2.92)	− 1.20	0.22
	NAG	61	3.10 (4.32)
Number of critical attitudes/complaints towards the treatment	AG	58	0.09 (0.28)	− 6.16***	1.12
	NAG	61	1.00 (1.10)
Dental fear (HAQ)	AG	56	17.81 (7.44)	2.31*	0.43
	NAG	58	21.29 (8.58)
Depression (PHQ-2)	AG	51	0.39 (1.10)	− 1.50	0.29
	NAG	54	0.72 (1.16)
Anxiety (GAD-2)	AG	50	0.32 (1.02)	− 1.95´	0.38
	NAG	54	0.74 (1.19)
Participation (API)	AG	52	15.45 (4.31)	− 3.24**	0.62
	NAG	58	18.28 (4.78)
Personality functioning (OPD-SQS)	AG	50	8.94 (6.76)	− 0.87	0.17
	NAG	57	10.19 (7.86)
Psychological attachment anxiety (ECR-RD8)	AG	41	1.71 (1.23)	-1.17	0.25
	NAG	48	2.04 (1.36)
Psychological attachment avoidance (ECR-RD8)	AG	42	3.46 (2.61)	0.43	0.09
	NAG	48	3.25 (2.06)

´p > 0.1; *p > 0.05; **p > 0.01; ***p > 0.001
SPT: supportive periodontal therapy; NAG: patients´ group discontinued the SPT at the department of periodontology, Kiel; AG: patients’ group with regular SPT at the department of periodontology, Kiel; T1: start of SPT at the department of periodontology, Kiel; T2: questionnaire and in AG last visit in SPT; API: Autonomy Preference Index; GAD-2: anxiety items of the Patient Health Questionnaire; PHQ-2: depression items of the Patient Health Questionnaire; HAQ: Hierarchical Anxiety Questionnaire; ECR-RD8: Short version of the Experiences in Close Relationships – Revised questionnaire; OPD-SQS: Operationalized Psychodynamic Diagnosis—Structure Questionnaire

ISSN: 1472-6831