. Author manuscript; available in PMC: 2022 Oct 26.

Published in final edited form as: CNS Spectr. 2021 Apr 23;27(5):604–612. doi: 10.1017/S1092852921000274

Table 2. Group Task Performance.

	Controls n = 190		Lifetime NSSI n = 50				Sporadic NSSI n = 28				Repetitive NSSI n = 22
	M	SD	M	SD	p	M	SD	p	M	SD	p
Affective Go/No-Go
Commission errors
Total	32.04	18.69	36.16	18.87	0.23	36.64	19.51	0.29	35.55	18.46	0.44
Positive^a	11.83	6.44	14.00	6.73	0.18^b	14.18	7.06	0.35^b	13.77	6.44	0.26^b
Negative^a	10.36	6.76	11.94	6.61		11.82	7.09		12.09	6.11
Neutral^a	9.56	7.24	10.22	6.93		10.64	6.96		9.68	7.01
Mean correct latency	495.4	76.8	480.8	80.7	0.44	496.8	76.1	0.74	460.4	83.4	0.08
Cambridge Gambling Task
Proportion of points bet	0.48	0.11	0.46	0.11	0.44	0.47	0.12	0.69	0.46	0.10	0.40
Quality of decision making	0.95	0.07	0.91	0.11	0.015	0.92	0.12	0.14	0.90	0.11	0.021 ^c
Response latency	1896.6	606.1	2131.8	852.5	0.18	2055.5	817.3	0.69	2228.9	905.1	0.074
Probabilistic Reversal Task
Perseverations	3.40	2.04	3.88	2.85	0.040	3.50	2.08	0.50	4.38	3.63	0.006 ^c
Errors to criterion	2.51	3.89	3.14	4.50	0.14	3.00	4.70	0.53	3.33	4.32	0.11
Probability matching score	0.10	0.16	0.11	0.14	0.58	0.10	0.14	0.92	0.13	0.14	0.27

Multivariate regression analyses included age, sex, intellectual ability, and recent depressive symptoms as covariates. Contrasts compared NSSI groups to controls. Comparisons ofsporadicvs repetitive NSSI did not reveal any significant results.

Indicates distractor valence.

NSSI group × valence interaction p-value.

Significant according to Benjamini-Hochberg procedure.