Table 1.

Clinico-demographic characteristics of IBS cases (n = 1255).

	Clinico-demographic characteristics	No.	%
Age in yr	≤ 30 yr	811	64.6
	> 30 yr	444	35.4
Gender	Male	326	26.0
	Female	929	74.0
Marital status	Single	830	66.1
	Married	378	30.1
	Divorced/ widow	47	3.7
Educational level	Below university	466	37.1
	University	726	57.8
	Post-graduate	63	5.0
Work	Not working	332	26.5
	Student	550	43.8
	Employee	330	26.3
	Free works	43	3.4
Monthly income	Insufficient	303	24.1
	Just sufficient	771	61.4
	More than sufficient	181	14.4
Residence	Rural area	194	15.5
	Urban area	1061	84.5
Other chronic health problems	No	1006	80.2
	Immune deficiency	18	1.4
	Asthma	98	7.8
	Diabetes Mellitus	38	3.0
	Depression	54	4.3
	Other non-specific	67	5.3
Duration of IBS	< 1 yr	337	26.9
	1–2 yr	435	34.7
	> 2 yr	483	38.5
Clinical presentationa	None	4	0.3
	Abdominal pain	594	47.5
	Gases with abdominal distension	628	50.2
	Constipation	147	11.8
	Diarrhea	154	12.3
	Vomiting	2	0.2