Table 1. The summary statistics of all the variables.

Variable	Attributes	Value	Percentage (%)
Age	Mean ± SD	65 ± 9	–
	Age range	42-87	–
	Median	65	–
Gender	Male	113	70.6
	Female	47	29.4
Ethnicity	Malay	56	35.0
	Chinese	93	58.0
	Indian	11	7.0
Religion	Islam	60	37.5
	Buddha	63	39.4
	Hindu	10	6.3
	Christian	17	10.6
	Others	10	6.3
Educational level	Primary	50	31.3
	Secondary	71	44.4
	Tertiary	21	13.1
	Degree	10	6.3
	Masters	5	3.1
	Doctor of philosophy	3	1.8
Occupational field	Agricultural	0	0.0
	Business	6	3.8
	Education	3	1.9
	Health	1	0.6
	Housework	5	3.1
	Engineering	2	1.3
	Unemployed	24	15.0
	Retiree	93	58.1
	Others	26	35.0
Monthly income	<RM1000	108	67.5
	RM1000–RM2000	23	14.4
	RM2001–RM3000	6	3.8
	RM3001–RM4000	10	6.3
	RM4001–RM5000	6	3.8
	>RM5000	7	4.4
Marital status	Single/Widow/Widower	17	10.6
	Married	143	89.4
Duration of antihypertensive medications intake	1–4 years	46	28.8
	5–10 years	36	22.5
	>10 year	78	48.8
Presence of other concomitant diseases	Yes	122	76.2
	No	38	23.8
Total number of antihypertensive medications taken per day	Range medicine	0.5–23	–
Aids in antihypertensive medications intake	Pillbox	109	68.0
	Timetables	10	6.3
	Others	41	25.6
Counseling for antihypertensive medications	Yes	100	62.5
	No	60	37.5
Specific necessity	Mean ± SD	17.3 ± 2.8	–
Specific concern	Mean ± SD	13.0 ± 4.8	–
General overuse	Mean ± SD	10.8 ± 1.8	–
General harm	Mean ± SD	7.6 ± 2.2	–
Adherence level	Mean ± SD	4.3 ± 1.7	–