Little Evidence for the Role of Disgust Sensitivity in Implicit Disgust to Images of White People Engaged in Injecting Drug Use (IDU)

Figures & data

Table 1. Participant characteristics & descriptive Statistics for IAT and questionnaire measures.

	N	%
Education
GCSE/Standards/equivalent	1	0.80
A Level/Highers/BTEC/NVQ equivalent	66	52.40
University Bachelors/NVQ equivalent	36	28.60
Masters/NVQ equivalent	20	15.90
Doctoral/Professional degree/NVQ equivalent	3	2.40
Ethnicity
Asian or Asian British	8	6.3
Black or Black British	3	2.4
White or White British	113	89.7
Mixed or multiple ethnic groups	2	1.6
Employment
Unemployed	10	8.00
Retired	1	0.80
Prefer not to say	4	3.20
Student	71	56.30
Working full-time	17	13.50
Working part-time	19	15.10
Working self-employed	4	3.20
Substance	Never Used (N)	Used in Lifetime (N)	Used in last 12 months (N)
Amphetamines	108	13	5
Alcohol	4	12	110
Cannabis	35	41	49
Cocaine	79	23	24
Crack Cocaine	124	1	1
Ecstasy	78	36	11
Opioids	123	1	2
	Mean	SD	Median	Range
Implicit Association Task
D	−0.75	.33	−0.78	1.96
TDS-R
Core Disgust	7.58	2.20	8.00	10.00
Animal Reminder Disgust	4.02	2.08	4.00	8.00
Contamination Disgust	1.27	0.98	1.00	4.00
Disgust Sensitivity	12.87	3.98	13.50	17.50
Moral Disgust	31.94	9.07	32.00	42.00
Attitudes to:
People Who Use Drugs	39.54	9.50	40.00	37.00
Injecting Phobia (short form)
	10.78	7.36	10.00	28.00

Table 2. Correlations between implicit disgust, attitudes and TDS-R measures.

	Attitude to PWUD	Injecting Phobia	Core Disgust	Animal Reminder Disgust	Contamination Disgust	Moral Disgust	Disgust Sensitivity	Age+	Gender
d	−0.058	.189*	.015	.131	−0.049	.077	.081	−0.028	.053
Attitude to PWUD	–	−0.106	.086	.065	.224**	.200**	.153*	.030	−0.134
Injecting Phobia	–	–	.196*	.489**	.129	−0.177*	.414**	−0.194*	.139
Core Disgust	–	–	–	.394**	.285**	.070	.812**	−0.086	.340**
Animal Reminder Disgust	–	–	–	–	.201*	−0.184*	.801**	−0.262**	.105
Contamination Disgust	–	–	–	–	–	.039	.487**	.030	−0.044
Moral Disgust	–	–	–	–	–	–	−0.036	.386**	.133
Disgust Sensitivity	–	–	–	–	–	–	–	−0.177*	.245**

*Correlation significant at p < .05.

**Correlation significant at p < .01.

Table 3. Coefficients and t tests for individual predictors in hierarchical multiple regression analysis.

	Unstandardized and standardized coefficients			Obtained t and p values		Obtained R values
	B	SE B	β	t^a	p	R	R^2	ΔR^2
Model 1						.034	.001	.001
Age	−0.001	.004	−0.032	−0.35	.73
Gender	.008	.064	.012	.13	.90
Model 2						.040	.002	.000
Age	−0.001	.004	−0.031	−0.34	.74
Gender	.006	.065	.008	.89	.93
Attitudes to PWUD	−0.001	.003	−0.021	−0.23	.82
Model 3						.246	.060	.059
Age	.000	.004	.008	.08	.93
Gender	−0.022	.065	−0.032	−0.35	.73
Attitudes to PWUD	.000	.003	−0.005	−0.53	.96
Injecting Phobia	.012	.004	.250	2.67	.009
Model 4						.304	.092	.032
Age	−0.002	.004	−0.044	−0.45	.66
Gender	−0.013	.071	−0.019	−0.19	.85
Attitudes to PWUD	−0.002	.003	−0.047	−0.47	.64
Injecting Phobia	.012	.005	.250	2.32	.02
Core Disgust	−0.018	.016	−0.119	−1.09	.28
Contamination Disgust	.017	.034	.049	.50	.62
Moral Disgust	.006	.004	.171	1.66	.10
Animal Reminder Disgust	.010	.019	.062	.53	.60

Data availability statement

Data will be made available on the institutional data repository site after acceptance.