Table 3

SF-LDQ in dyspeptics and non-dyspeptics

Total	Symptom frequency (n, %)				Interference with lifestyle (n, %)
	No dyspepsia		Dyspepsia		No dyspepsia		Dyspepsia
	1717	(100%)	283	(100%)	1717	(100%)	283	(100%)
Upper abdominal pain
Never	1232	71.8%	8	2.8%	1347	78.5%	13	4.6%
<Monthly	211	12.3%	12	4.2%	229	13.3%	26	9.2%
>Monthly, <weekly	172	10.0%	60	21.2%	101	5.9%	73	25.8%
>Weekly, <daily	55	3.2%	83	29.3%	24	1.4%	74	26.1%
>Daily	47	2.7%	120	42.4%	16	0.9%	97	34.3%
Heartburn
Never	1159	67.5%	9	3.2%	1321	76.9%	13	4.6%
<Monthly	243	14.2%	9	3.2%	231	13.5%	20	7.1%
>Monthly, <weekly	191	11.1%	57	20.1%	110	6.4%	65	23.0%
>Weekly, <daily	86	5.0%	88	31.1%	41	2.4%	89	31.4%
>Daily	38	2.2%	120	42.4%	14	0.8%	96	33.9%
Regurgitation
Never	1349	78.6%	23	8.1%	1444	84.1%	27	9.5%
<Monthly	186	10.8%	20	7.1%	170	9.9%	31	11.0%
>Monthly, <weekly	111	6.5%	62	21.9%	75	4.4%	72	25.4%
>Weekly, <daily	57	3.3%	101	35.7%	24	1.4%	90	31.8%
>Daily	14	0.8%	77	27.2%	4	0.2%	63	22.3%
Nausea
Never	1291	75.2%	21	7.4%	1410	82.1%	23	8.1%
<Monthly	246	14.3%	22	7.8%	205	11.9%	38	13.4%
>Monthly, <weekly	108	6.3%	74	26.1%	68	4.0%	84	29.7%
>Weekly, <daily	52	3.0%	71	25.1%	27	1.6%	67	23.7%
>Daily	20	1.2%	95	33.6%	7	0.4%	71	25.1%