. 2016 Jan 30;33(2):199–213. doi: 10.1007/s12325-016-0286-9

Table 1.

Participant demographics of (A) patients with RA, (B) caregivers, and (C) healthcare professionals

Parameter, %^a		Formative study		Summative study
Parameter, %^a		Untrained (n = 24)	Trained (n = 10)	Untrained (n = 35)	Trained (n = 16)
(A) Patients with RA
Injection experience	Naive	33	30	20	25
Injection experience	Experienced	67	70	80	75
Injection experience device type^b	Autoinjector	56	43	68	75
Injection experience device type^b	Pre-filled syringe	44	57	32	25
Age, years	18–39	4	0	6	6
	40–49	38	10	23	25
	50–59	33	60	34	50
	60–69	21	30	29	19
	70–75	4	0	9	0
Sex	Female	71	80	74	81
Sex	Male	29	20	26	19
Disease duration, years^c	–	6	11	8	5
Education	High-school graduate	21	10	11	19
	Some college	29	60	40	31
	College graduate/post-graduate	50	30	48	50
Dexterity	No difficulty	21	0	11	6
	Slight/moderate difficulty	50	60	57	75
	Considerable difficulty	29	40	31	19
Current medication	MTX	54	50	43	44
Current medication	Prednisone	8	0	0	6

Parameter, %		Formative study	Summative study
Parameter, %		Untrained (n = 10)	Untrained (n = 17)	Trained (n = 16)
(B) Caregivers
Injection experience	Naive	30	24	25
Injection experience	Injection experienced	70	76	75

Parameter, %		Formative study	Summative study
Parameter, %		Untrained (n = 10)	Untrained (n = 15)
(C) Healthcare professionals
Experience	Minimum 2 years	100	100
Position	Medical assistant	80	53
	Registered nurse	20	40
	Nurse practitioner	0	7
Frequency of caring for at least 60 patients with RA in last 3 months	–	90	100
Frequency of training patients with RA on injectables	At least once a day	30	20
Frequency of training patients with RA on injectables	At least once a week	70	80

MTX methotrexate, RA rheumatoid arthritis

^aPercentage values are presented, unless otherwise noted

^bOf injection-experienced participants: formative untrained, n = 16; formative trained, n = 7; summative untrained, n = 28; summative trained, n = 12

^cMedian values are presented