Prevalence of coronary artery disease and its risk factors in Kerala, South India: a community-based cross-sectional study

Table 1 Baseline demographic and behavioural characteristics of the participants by area

Variable		Urban		Rural		Total
		(N = 2248)		(N = 2919)		(N = 5167)
		n	(%)	n	(%)	n	(%)	P value
Age
	20–29	111	4.94	225	7.71	336	6.50	<0.001
	30–39	345	15.35	543	18.60	888	17.19
	40–49	507	22.55	692	23.71	1199	23.20
	50–59	493	21.93	531	18.19	1024	19.82
	60–69	566	25.18	650	22.27	1216	23.53
	70–79	226	10.05	278	9.52	504	9.75
Sex
	Men	971	43.19	1101	37.72	2072	40.10	<0.001
	Women	1277	56.81	1818	62.28	3095	59.90
Socio-economic status
	Low	630	28.02	1303	44.64	1933	37.41	<0.001
	Middle	792	35.23	743	25.45	1535	29.71
	High	826	36.74	873	29.91	1699	32.88
Educational status
	No formal education	87	3.87	203	6.95	290	5.61	<0.001
	1–4 years	208	9.25	437	14.97	645	12.48
	5–10 years	1294	57.56	1729	59.23	3023	58.51
	>10 years	659	29.31	550	18.84	1209	23.40
Smoking^a
	Never	523	55.52	443	44.04	966	49.59	<0.001
	Past	111	11.78	220	21.87	331	16.99
	Current	308	32.70	343	34.10	651	33.42
Physical activity
	Sedentary	1770	78.74	2328	79.75	4098	79.31	0.371
	Non-sedentary	478	21.26	591	20.25	1069	20.69
Dietary habits
	Vegetarian	161	7.16	110	3.77	271	5.24	<0.001
	Non-vegetarian	2087	92.84	2809	96.23	4896	94.76
BMI
	Low	111	4.95	244	8.37	355	6.88	<0.001
	Normal	685	30.53	1042	35.76	1727	33.48
	Overweight	450	20.05	527	18.09	977	18.94
	Obese	998	44.47	1101	37.78	2099	40.69
Abdominal Obesity
	Yes	1394	62.20	1709	58.67	3103	60.21	<0.001
	No	847	37.80	1204	41.33	2051	39.79

ISSN: 1471-2261