Domains of disgust sensitivity: revisited factor structure of the questionnaire for the assessment of disgust sensitivity (QADS) in a cross-sectional, representative german survey

Petrowski, Katja; Paul, Sören; Schmutzer, Gabriele; Roth, Marcus; Brähler, Elmar; Albani, Cornelia

doi:10.1186/1471-2288-10-95

Table 2 QADS item characteristics (N = 2349 to 2457)

From: Domains of disgust sensitivity: revisited factor structure of the questionnaire for the assessment of disgust sensitivity (QADS) in a cross-sectional, representative german survey

Item	M (SD)	skewness	kurtosis	W (N)	% 0	% 1	% 2	% 3	% 4
01 Someone doesn't clean his/her hands after using the restroom. ⁴	2.5 (1.2)	-0.42**	-0.65**	.89**	5	13	28	29	25
02 You are biting into a grilled grasshopper. ⁵	3.0 (1.2)	-0.95**	-0.11	.80**	4	9	17	22	48
03 You smell vomit. ⁵	3.2 (1.0)	-1.20**	0.83**	.77**	2	6	13	29	50
04 You have to remove a hairy dead spider from your room. ³	2.2 (1.4)	-0.19**	-1.26**	.88**	15	18	21	20	26
05 Someone profusely smelling of sweat takes the bus seat next to you. ²	2.9 (1.0)	-0.66**	-0.23**	.86**	2	8	23	34	33
06 You enter a crypt, where there are coffins. ¹	2.1 (1.4)	-0.13**	-1.18**	.90**	16	18	24	21	21
07 You are eating a steak and find that it is still rare on the inside. ⁵	2.1 (1.4)	-0.07	-1.20**	.90**	17	18	25	19	21
08 You try to eat monkey meat. ⁵	3.1 (1.2)	-1.07**	0.15**	.78**	4	7	17	21	51
09 A friend tells you he generally doesn't use a deodorant. ⁴	1.8 (1.3)	0.15**	-1.05**	.91**	20	22	27	18	13
10 You see a cockroach in someone's house. ³	2.4 (1.3)	-0.31**	-0.89**	.90**	9	16	27	25	23
11 You hear the mucus rattle as someone is clear- ing his/her throat. ²	2.7 (1.1)	-0.55**	-0.47**	.88**	5	10	26	30	29
12 You see someone vomit. ⁵	3.0 (1.0)	-0.96**	0.35**	.82**	3	6	18	31	42
13 You touch a dead body. ¹	2.4 (1.3)	-0.34**	-0.95**	.89**	12	13	27	22	26
14 You accidentally touch the toilet seat in a public restroom. ⁴	2.6 (1.2)	-0.49**	-0.63**	.88**	7	11	27	28	27
15 You visit your favorite restaurant, and the cook has a cold. ⁴	2.0 (1.2)	-0.02	-0.92**	.91**	14	20	31	21	14
16 You are to ride in a hearse. ¹	2.0 (1.4)	-0.06	-1.14**	.90**	18	17	26	21	18
17 While eating soup, your tongue comes in contact with a piece of hair. ²	2.7 (1.1)	-0.51**	-0.61**	.89**	4	12	25	29	30
18 You smell spoiled food. ³	2.9 (1.1)	-0.77**	-0.09	.85**	3	8	21	34	34
19 Someone with dirty fingernails hands you a book. ⁴	2.1 (1.2)	-0.14**	-0.78**	.91**	11	18	33	24	14
20 During a walk in the woods, you see a decomposing animal. ³	2.2 (1.3)	-0.15**	-0.95**	.91**	13	18	28	24	17
21 While assisting in a medical emergency, you are to press against a heavily bleeding wound. ¹	1.9 (1.3)	0.07**	-1.10**	.91**	21	20	26	20	13
22 A bad odor reaches your nose. You look down and see that you have stepped into dog feces. ²	2.8 (1.1)	-0.67**	-0.37	.86**	3	11	21	32	33
23 You enter a heavily soiled gas-station restroom. ⁴	3.3 (0.9)	-1.23**	0.92**	.75**	1	4	14	27	54
24 You touch a dead person's head. ¹	2.5 (1.3)	-0.47**	-0.93**	.88**	11	13	22	24	30
25 Someone with terribly bad breath speaks to you. ²	3.0 (1.0)	-0.68**	-0.10**	.85**	1	7	21	38	33
26 You have touched the stump of someone's amputated limb. 1	2.0 (1.3)	0.02**	-1.07**	.91**	18	20	27	20	15
27 You see someone put ketchup on vanilla ice cream and eat it. ³	1.7 (1.3)	0.24	-1.02**	.90**	23	22	27	16	12
28 You are about to drink a glass of milk when you smell that it's spoiled. ³	2.5 (1.2)	-0.41**	-0.67**	.90**	6	14	27	30	23
29 You see maggots on a piece of meat in an outdoor garbage pail. ³	2.9 (1.1)	-0.91**	0.04**	.83**	4	8	18	30	40
30 You are walking barefoot on concrete and you step on an earthworm. ³	2.2 (1.3)	-0.16**	-1.12**	.90**	14	18	24	23	21
31 While you are walking through a tunnel under a railroad track, you smell urine. ²	2.8 (1.1)	-0.64**	-0.30**	.87**	3	10	23	34	30
32 You accidentally touch the ashes of a person who has been cremated. ¹	2.3 (1.3)	-0.20**	-1.06**	.90**	13	17	26	21	23
33 You are hungry. In front of you there is a bowl of your favorite soup that had been stirred with a used but thoroughly washed flyswatter. ⁴	2.8 (1.2)	-0.66**	-0.48**	.86**	4	11	22	27	36
34 You see a person with greasy hair. ⁴	2.2 (1.1)	-0.13**	-0.72**	.91**	7	19	33	26	15
35 In a restaurant, you see someone eat his food messily with his fingers. ²	2.5 (1.2)	-0.44	-0.63**	.89**	6	13	27	30	24
36 You discover that a friend of yours changes his/her underwear only once a week. ⁴	2.7 (1.2)	-0.56	-0.57**	.88**	5	12	24	29	30
37 You take raw egg-white into your mouth. ⁵	2.5 (1.3)	-0.48**	-0.85**	.88**	10	12	24	25	29

Note. Item numbering according to Schienle et al. [01]. Original factors: ¹ "Death/Deformation", ² "Body Secretions", ³ "Spoilage", ⁴ "Poor Hygiene", ⁵ "Oral Rejection". M Mean (Range 0 - 4, lower/higher scores = refusal/stronger approval). SD standard deviation. W = Shapiro-Wilk test of normality. df_W = 2524. Univariate non-normality tests of skewness and kurtosis: ** p < .01. 0-4% = frequencies of answers (0 = not disgusting, 4 = very disgusting). Items 27-32 and 36 adopted from Olatunji et al. [05], items 8, 10-15, 33, 35 resemble the ones from Olatunji et al. [05], every other item was translated by the authors.

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