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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

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

 Negative AffectivityaAntagonismaImpulsivitya
TotalMalesFemalesTotalMalesFemalesTotalMalesFemales
rrrrrrrrr
Total MARS questionnaireb− 0.188−0.160− 0.176− 0.198*− 0.290*− 0.104−0.086− 0.083− 0.052
Intentional non-adherenceb− 0.191− 0.162− 0.163− 0.204*− 0.257**−0.143− 0.069− 0.055−0.034
Unintentional non-adherenceb−0.089− 0.056− 0.141− 0.087− 0.1940.022−0.086− 0.103−0.073
BMQ-Specific–necessityc0.319***0.361**0.0880.1250.261*−0.0990.0480.085− 0.139
BMQ-Specific–concernsc0.344***0.272*0.355*0.1530.2140.0680.0870.0720.038
BMQ-Differential scorec0.0280.118−0.166− 0.0030.074−0.107− 0.0200.022−0.115
BMQ-Side-effectsc0.326***0.339**0.2980.092−0.0010.2110.1190.0250.213
B-IPQ Consequenced0.1820.0950.2310.004−0.1140.2140.226*0.1290.342*
B-IPQ Timelined0.272**0.326**0.1450.1820.280*0.0290.1710.1250.209
B-IPQ Personal Controld−0.287**− 0.204− 0.247− 0.269**− 0.287*−0.251− 0.379**− 0.224− 0.535**
B-IPQ Treatment Controld− 0.0350.009− 0.228− 0.158− 0.196−0.091− 0.032− 0.006− 0.150
B-IPQ Identityd0.388**0.484**0.0960.1780.1440.2420.1460.1460.058
B-IPQ Concernd0.465**0.311*0.558**0.003− 0.0710.0890.1440.0380.166
B-IPQ Comprehensibilityd− 0.190− 0.092− 0.261− 0.242*− 0.117− 0.413*−0.0730.027− 0.157
B-IPQ Emotional responsed0.374**0.378**0.2460.3310.249*0.1020.331**0.300*0.300
  1. 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