Table 1.

Results of the DIF Analysis

English Item	Discrimination a	Difficulty b	Spanish Item	Discrimination a	Difficulty b	DIF
Dose	1.08	−1.67	Dosis	1.37	−1.95
Nerves	2.17	−1.35	Nervios	1.75	−1.69
Kidney	1.72	−3.10	Riñón	2.01	−2.05
Hormones	1.48	−1.65	Hormonas	1.41	−1.45
Herpes	1.38	−2.53	Herpes	1.28	−0.90	*
Caffeine	1.03	−2.49	Cafeína	0.92	−1.17	*
Incest	1.90	−1.27	Incesto	1.46	0.15	*
Asthma	2.10	−1.57	Asma	3.21	−2.26	*
Seizure	1.49	−1.76	Convulsiones	1.25	−2.39
Depression	1.63	−2.39	Depresión	2.13	−1.49	*
Infection	2.18	−2.27	Infección	1.57	−2.36
Pregnancy	1.88	−1.92	Embarazo	2.00	−1.80
Syphilis	0.93	−0.14	Sífilis	1.50	0.13
Abnormal	1.70	−1.54	Anormal	1.36	−1.36
Nutrition	1.21	−2.28	Nutrición	2.38	−1.59
Miscarriage	1.56	−2.28	Aborto espontáneo	1.68	−1.93
Hemorrhoids	1.17	−0.84	Hemorroides	1.47	−1.13
Directed	1.91	−1.43	Indicado	1.09	−1.47
Irritation	1.41	−1.46	Irritación	1.03	−1.04	*
Alcoholism	1.59	−2.00	Alcoholismo	1.94	−2.32
Sexually	0.63	0.19	Sexualmente	1.06	−1.87	*
Colitis	1.55	0.80	Colitis	1.20	−0.56	*
Testicle	1.51	−1.31	Testículo	1.27	−0.72	*
Occupation	1.63	−2.37	Empleo	2.30	−2.42
Constipation	1.51	−1.25	Estreñimiento	1.25	−1.90
Medication	1.51	−2.31	Medicamento	1.88	−2.36
Diagnosis	1.36	−1.23	Diagnóstico	1.85	−1.28
Osteoporosis	1.77	−0.16	Osteoporosis	0.95	−1.48	*
Prostate	1.08	−1.53	Próstata	1.23	−0.58	*
Hepatitis	0.81	−1.55	Hepatitis	1.60	−0.67	*
Anemia	1.93	−0.66	Anemia	1.46	−2.18	*
Obesity	1.59	−1.28	Obesidad	2.29	−1.53	*

^*Significant difference (p<.05) in item parameters between the Spanish- and English-speaking samples using the Benjamini–Hochberg correction.

DIF, differential item functioning.