Translation and validation of the Nepean Dyspepsia Index for functional dyspepsia in China

Table 2 Pearson item-dimension correlation coefficients

Item	Domains
	Interference	Know/control	Eat/drink	Sleep disturb
01	0.626	0.531	0.461	0.354
02	0.701	0.817	0.450	0.376
03	0.666	0.812	0.492	0.396
04	0.522	0.493	0.906	0.457
05	0.457	0.476	0.840	0.454
06	0.589	0.484	0.852	0.389
07	0.473	0.476	0.472	0.982
08	0.511	0.536	0.509	0.980
09	0.822	0.640	0.521	0.464
10	0.828	0.638	0.520	0.399
11	0.826	0.677	0.455	0.437
12	0.818	0.635	0.446	0.403
13	0.815	0.568	0.482	0.342
14	0.800	0.575	0.432	0.397
15	0.794	0.564	0.471	0.289
16	0.771	0.715	0.467	0.442
17	0.753	0.832	0.424	0.430
18	0.742	0.843	0.505	0.528
19	0.746	0.774	0.482	0.374
20	0.824	0.827	0.554	0.458
21	0.751	0.624	0.477	0.370
22	0.557	0.771	0.368	0.347
23	0.506	0.710	0.362	0.321
24	0.709	0.814	0.527	0.487
25	0.631	0.577	0.327	0.294