Salient concerns in using analgesia for cancer pain among outpatients: A cluster analysis study

Table 7 Multiple binary characteristics model for cluster 4 (type of side-effects)

Variable domain	Variable	Characteristic	n (% out of 207)	P value	OR	95%CI
Sociodemographic	Health literacy	≤ 13 vs > 13	84 (40.6)	0.004	3.11	1.43-6.76
Illness	Mental health not good (number of days within last 30 d)	≤ 12 vs > 12	144 (69.6)	0.001	6.18	2.06-18.5
Pain, function and pain treatment	Severity of analgesic side effects (MSEC)	≥ 40 vs < 40	37 (17.9)	0.002	4.19	1.68-10.5
Analgesic attitudes and barriers	BQ-II item - pain medicine can keep you from knowing what’s going on in your body	≥ 4 vs < 4	42 (20.3)	< 0.001	5.25	2.32-11.9

BQ-II: Barriers questionnaire; MSEC: Medication Side-effects Checklist; CI: Confidence interval; OR: Odds ratio.