Table 1.

Demographic information for both datasets. OUD duration was computed as the difference between their current and age at first use. OUD severity was measured using SCID-V based on DSM-5 (mild: 2–3 symptoms, moderate: 4–5 symptoms, severe: 6 or more symptoms). HC, healthy control. OUD, individuals with opioid use disorder.

	Characteristic
Naturalistic paradigm (HC)	N		97
	Self-reported sex assigned at birth	Female	54
		Male	43
	Age (years)	Mean	31.660
		Standard deviation	12.178
	Self-reported race	Asian	16
		Black	23
		More than one race	5
		Unknown	1
		White	52
Naturalistic paradigm (OUD)	N		76
	Self-reported sex assigned at birth	Female	31
		Male	45
	Self-reported race	Asian	0
		Black	2
		More than one race	6
		Unknown	3
		White	65
	OUD duration	Mean	14.816
		Standard deviation	9.927
	OUD severity	Moderate	4
		Severe	72
	Methadone dose at baseline (milligram)	Mean	81.947
		Standard deviation	22.644
Drug cue paradigm	N		70
	Self-reported sex assigned at birth	Female	31
		Male	39
	Age (years)	Mean	39.2
		Standard deviation	10.691
	Self-reported race	Asian	0
		Black	2
		More than one race	6
		Unknown	3
		White	59
	OUD duration	Mean	14.686
		Standard deviation	9.909
	OUD severity	Moderate	3
		Severe	67
	Methadone dose at baseline (milligram)	Mean	81.5
		Standard deviation	22.847