Descriptive Cross-Sectional Study on Knowledge, Awareness, and Adherence to Medication among Hypertensive Patients at a Tertiary Care Centre in Colombo District, Sri Lanka

Table 2

The patient’s knowledge on hypertension.

Questions	Response		Number	Percentage	95% CI
Knowing normal values of BP	Correctly known		119	31.0	1.92–2.09
	Wrongly known		41	10.7
	Not known		224	58.3
Knowing the cutoff values of HT	Correctly known		38	9.9	2.26–2.40
	Wrongly known		54	14.1
	Not known		292	76.0
BP correlation with age	Increased		265	69	1.64–1.88
	Decreased		22	5.7
	No effect		22	5.7
	Not known		75	19.5
BP correlation with sex	Common among male		104	27.1	2.49–2.73
	Common among female		75	19.5
	Equal among both sex		73	19.0
	Not known		132	34.4
Control of BP with medication alone	Sufficient		162	42.2	1.67–1.81
	Insufficient		160	41.7
	Not known		62	16.1
Knowledge about complications of HT	Yes		No	Not known	95%CI
Cerebral edema	163 (42.4%)		82 (21.4%)	139 (36.2%)	1.85–2.03
Heart failure	279 (71.9%)		24 (6.3%)	84 (21.9%)	1.42–1.58
Myocardial infarction	339 (88.3%)		8 (2.1%)	37 (9.6%)	1.15–1.27
Sudden visual loss	219 (57.0%)		61 (15.9%)	104 (27.1%)	1.61–1.79
Acute kidney injury	212 (55.2%)		43 (11.2%)	129 (33.6%)	1.69–1.88
Acute stroke	296 (77.1%)		21 (5.5%)	67 (17.4%)	1.33–1.49
Intracranial bleeding	223 (58.1%)		46 (12.0%)	109 (28.4%)	1.64–1.83
Knowledge about risk factors of HT	Increased	Decreased	No effect	Not known	95%CI
Smoking	279 (71.9%)	13 (3.2%)	12 (3.1%)	84 (21.9%)	1.33–1.54
Excess alcohol consumption	319 (83.1%)	1 (0.3%)	14 (3.6%)	50 (13.0%)	1.36–1.57
Excess spicy food consumption	189 (49.2%)	6 (1.6%)	71 (18.5%)	118 (30.7)	2.17–2.44
Excess fatty meals consumption	304 (79.2%)	3 (0.8%)	20 (5.2%)	57 (14.8%)	1.45–1.67
Excess salt consumption	308 ((80.2%)	5 (1.3%)	18 (4.7%)	53 (13.8%)	1.41–1.63
Lack of physical activity	302 (78.6%)	14 (3.6%)	17 (4.4%)	51 (13.3%)	1.43–1.65
Overweight	308 (80.2%)	2 (0.5%)	18 (4.7%)	56 (14.6%)	1.60–1.85
Family history	278 (72.4%)	3 (0.8%)	34 (8.9%)	69 (18.0%)	1.47–1.70
Aging	303 (78.9%)	4 (1.0%)	12 (3.1%)	65 (16.9%)	1.65–1.70