Factors Associated with Visit-to-Visit Variability of Blood Pressure Measured as Part of Routine Clinical Care among Patients Attending Cardiology Outpatient Department of a Tertiary Care Centre in Northern Sri Lanka

Table 1

Sociodemographic characteristics patients with hypertension (n = 406).

Variable	Categories	Number	Percentage
Age	40–49	13	3.2
	50–64	334	82.3
	65 and above	59	14.5
Sex	Male	254	62.6
	Female	152	37.4
Highest education achieved	No formal education	6	1.5
	Primary	63	15.5
	Secondary	319	78.6
	Tertiary	131	4.4
Present occupation	Senior officials and managers	18	1.0
	Professionals	8	2.0
	Technical and associate professionals	1	0.2
	Clerks	2	0.5
	Sales and service workers	23	5.7
	Skilled agricultural and fishery workers	17	4.2
	Craft and related trade workers	11	2.7
	Plant and machine operators and assemblers	8	2.0
	Elementary occupations	42	10.3
	Unemployed/housewife	289	71.2
	Others	1	0.2
Monthly family income	Poorest (less than Rs. 16,162)	258	63.5
	Middle income (Rs. 16,163–Rs. 5749)	138	34.0
	Rich (>Rs. 57,500)	10	2.5