Table 3.

Psychometrics of 3-factor exploratory factor analysis model

IBD-SES	No. of items	Eigenvector	Proportion	Cronbach's α	Mean score (SD)
Factor 1: Managing stress and emotions	12	12.26	0.56	0.95	6.88 (1.80)
Q1 Keep from getting stressed
Q2 Do something to reduce stress
Q3 Keep from getting discouraged
Q4 Do something to reduce discouragement
Q5 Keep from feeling sad
Q6 Do something to reduce sadness
Q7 Keep sadness/anxiety from interfering
Q8 Do something to reduce interference of sadness/anxiety
Q9 Get emotional support
Q27 Engage in self-care (exercise, diet, and rest)
Q28 Engage in stress management program
Q29 Maintain your sense of well-being
Factor 2: Managing symptoms and disease	10	3.3	0.15	0.93	7.15 (1.84)
Q12 Take medication as directed to prevent flare-up
Q18 Reduce symptoms
Q19 Keep sleep problems from interfering
Q20 Keep discomfort/pain from interfering
Q21 Keep diarrhea/urgency from interfering
Q22 Keep symptoms from interfering
Q23 Decrease fatigue
Q24 Keep fatigue from interfering
Q25 Manage your disease
Q26 Keep disease in remission
Factor 3: Patient-physician communication	7	2.19	0.1	0.85	9.13 (1.04)
Q10 Follow medication prescription
Q11 Take medication at instructed times
Q13 Work with providers on treatment plan
Q14 Ask doctor about illness
Q15 Discuss problems with medication
Q16 Workout differences with doctors
Q17 Ask doctor about medications

IBD-SES, Inflammatory Bowel Disease Self-Efficacy Scale.