Table 1.

Characteristics of both groups (nonanonymous self-report and anonymous self-report) and items of the Stendal Adherence to Medication Score

Demographical characteristics	Self-report questionnaire		P-value
	Nonanonymous	Anonymous
Age	70±9 45–82	72±9 44–83	0.370
Number of drugs per day	6±3 2–14	6±3 2–15	0.371
Sum Stendal Adherence to Medication Score	5.4±6.8 0–33	5.4±5.8 0–31	0.874
Sex			1.000
Male	24	24
Female	16	16
Marital status			0.583
Married	30	31
Missing value	0	1
Single	1	2
Divorced or widowed	9	6
Graduation			0.522
High	15	15
Low	13	9
Middle	12	16
Occupation			0.185
Employed	4	3
Not employed	3	0
Pensioned	33	37
Organizes daily medication to be taken			0.216
Caregiver	6	10
Health care service	2	0
Patient	32	30

Note: Metric data are given as mean ± SD and range, categorical data are given as number, and t-test or chi-squared test was used for comparison between both groups.