Table 2. Correlations for the OASIS, B-IPQ, and PANAS.

	OASIS Average Total Score	OASIS General Illness Awareness ¹, ², ³, ⁴	OASIS Symptom Attribution ²	OASIS Awareness of Need for Treatment ³	OASIS Awareness of Negative Consequences ⁴	B-IPQ Total Score	PANAS Positive Affect Score	PANAS Negative Affect Score
Age	-0.08	-0.06	-0.09	-0.16	0.30	-0.14	0.07	-0.29^*
Body Mass Index (BMI)	0.34^*	0.38^**	0.18	0.35^*	0.26^*	0.25^*	-0.03	-0.01
Education (Years)	0.07	0.00	0.15	-0.04	0.11	0.03	0.07	0.20^*
Age of Illness Onset	0.23	0.15	0.20	0.11	0.26	-0.19	-0.24	-0.21
Illness Duration (Years)	-0.26	-0.07	-0.24	-0.22	-0.22	0.11	0.34^*	0.04
OASIS Item 1	0.81^**	0.55^**	-	0.54^**	0.64^**	0.43^**	0.00	0.24
OASIS Item 2^†	0.15	0.13	0.24	0.08	0.05	0.17	-0.07	-0.04
OASIS Item 3	0.78^**	0.89^**	0.55^**	0.71^**	0.54^**	0.67^**	-0.08	0.30^*
OASIS Item 4	0.80^**	0.79^**	0.60^**	0.79^**	0.59^**	0.57^**	-0.05	0.27^*
OASIS Item 5	0.58^**	0.76^**	0.24^*	0.62^**	0.38^**	0.50^**	-0.29	-0.01
OASIS Item 6	0.46^**	0.44^**	0.23	0.69^**	0.27^*	0.38^**	-0.45^**	0.08
OASIS Item 7	0.84^**	0.61^**	0.64^**	0.56^**	-	0.51^**	-0.09	0.29^*
OASIS Item 8	0.84^**	0.91^**	0.58^**	0.74^**	0.63^**	0.53^**	-0.09	0.23^*
OASIS Item 9	0.67^**	0.63^**	0.41^*	0.78^**	0.44^**	0.56^**	-0.12	0.38^**
OASIS General Illness Awareness ¹	0.86^**	-	0.55^**	0.81^**	0.61^**	0.66^**	-0.17	0.21^*
OASIS Symptom Attribution ²	0.81^**	0.55^*	-	0.54^*	0.64^*	0.43^**	0.00	0.24
OASIS Awareness of Need for Treatment ³	0.84^**	0.81^*	0.54^**	-	0.56^**	0.67^**	0.29^*	0.33^*
OASIS Awareness of Negative Consequences ⁴	0.84^**	0.61^*	0.64^**	0.56^**	-	0.51^*	-0.09	0.29^*
OASIS Average Total Score	-	0.86^**	0.81^**	0.85^**	0.84^**	0.65^**	-0.14	0.32^*
B-IPQ Consequences	0.69^**	0.68^**	0.49^**	0.72^**	0.53^**	0.86^**	-0.32^*	0.44^**
B-IPQ Timeline	0.01	0.14	-0.13	0.05	-0.02	0.44^**	-0.18	0.04
B-IPQ Personal control	-0.09	-0.24^*	0.15	-0.23^*	0.01	-0.37^**	0.22^*	-0.12
B-IPQ Cure control	0.38^**	0.38^**	0.35^*	0.35 ^*	0.23^*	0.03	0.21^*	0.03
B-IPQ Symptom Identity	0.70^**	0.62^**	0.58^**	0.68^**	0.58^**	0.80^**	-0.30^*	0.46^**
B-IPQ Concern	0.74^**	0.74^**	0.61^**	0.72^*	0.55^**	0.78^**	-0.18	0.35^*
B-IPQ Understanding	0.16	0.14	0.11	0.06	0.21^*	0.21^*	0.13	-0.16
B-IPQ Emotional response	0.55^**	0.49^**	0.48^**	0.55^**	0.43^**	0.76^**	-0.23^*	0.63^**
B-IPQ Total score	0.65^**	0.66^**	0.43^*	0.67^**	0.51^**	-	-0.35^*	0.46^**
PANAS Positive Affect Score	-0.14	-0.17	0.00	-0.29 ^*	-0.09	-0.35^*	-	-0.20^*
PANAS Negative Affect Score	0.32^*	0.21^*	0.24	0.33^*	0.29^*	0.46^**	-0.20^*	-

B-IPQ, Brief-Illness Perception Questionnaire; PANAS, Positive and Negative Affect Schedule.

OASIS General Illness Awareness includes items 3, 5, and 8.

OASIS Symptom Attribution includes item 1. Item 2 deleted due to poor internal consistency.

OASIS Awareness of Need for Treatment includes items 4, 6, and 9.

⁴

OASIS Awareness of Negative Consequences includes item 7.

^†

Grey highlight indicates that this item was deleted from the scale due to poor internal consistency.

p< 0.05.

^**

p ≤ 0.0002, Bonferroni correction for multiple comparisons.