Impact of personality on adherence to and beliefs about ADHD medication, and perceptions of ADHD in adolescents

BMC Psychiatry

Table 2 Correlations between personality traits (HP5i) and adherence behaviour (MARS), and beliefs about medication (BMQ-Specific) among adolescents (n = 99; 64 males and 35 females) with ADHD on long-term medication

	Negative Affectivity^a			Antagonism^a			Impulsivity^a
	Total	Males	Females	Total	Males	Females	Total	Males	Females
	r	r	r	r	r	r	r	r	r
Total MARS questionnaire^b	− 0.188	−0.160	− 0.176	− 0.198*	− 0.290*	− 0.104	−0.086	− 0.083	− 0.052
Intentional non-adherence^b	− 0.191	− 0.162	− 0.163	− 0.204*	− 0.257**	−0.143	− 0.069	− 0.055	−0.034
Unintentional non-adherence^b	−0.089	− 0.056	− 0.141	− 0.087	− 0.194	0.022	−0.086	− 0.103	−0.073
BMQ-Specific–necessity^c	0.319***	0.361**	0.088	0.125	0.261*	−0.099	0.048	0.085	− 0.139
BMQ-Specific–concerns^c	0.344***	0.272*	0.355*	0.153	0.214	0.068	0.087	0.072	0.038
BMQ-Differential score^c	0.028	0.118	−0.166	− 0.003	0.074	−0.107	− 0.020	0.022	−0.115
BMQ-Side-effects^c	0.326***	0.339**	0.298	0.092	−0.001	0.211	0.119	0.025	0.213
B-IPQ Consequence^d	0.182	0.095	0.231	0.004	−0.114	0.214	0.226*	0.129	0.342*
B-IPQ Timeline^d	0.272**	0.326**	0.145	0.182	0.280*	0.029	0.171	0.125	0.209
B-IPQ Personal Control^d	−0.287**	− 0.204	− 0.247	− 0.269**	− 0.287*	−0.251	− 0.379**	− 0.224	− 0.535**
B-IPQ Treatment Control^d	− 0.035	0.009	− 0.228	− 0.158	− 0.196	−0.091	− 0.032	− 0.006	− 0.150
B-IPQ Identity^d	0.388**	0.484**	0.096	0.178	0.144	0.242	0.146	0.146	0.058
B-IPQ Concern^d	0.465**	0.311*	0.558**	0.003	− 0.071	0.089	0.144	0.038	0.166
B-IPQ Comprehensibility^d	− 0.190	− 0.092	− 0.261	− 0.242*	− 0.117	− 0.413*	−0.073	0.027	− 0.157
B-IPQ Emotional response^d	0.374**	0.378**	0.246	0.331	0.249*	0.102	0.331**	0.300*	0.300

Note. r = Pearson’s correlation coefficient ^aHealth-Relevant Personality Traits Five-Factor Inventory, ^b Medication Adherence Report Scale, ^cBeliefs about Medicines Questionnaire-Specific, ^dThe Brief Illness Perception Questionnaire, * = p < 0.05, ** = p ≤ 0.01, *** = p ≤ 0.001

ISSN: 1471-244X