Table 1 Variable codes for dataset.

Age

Participant age

Sex

Biological sex assigned at birth

Gender

Gender identity

Ethnicity – Ethnicity_5

Participant ethnicity

Student_Status

Whether or not the participant was currently enrolled as a student

ISI_1 – ISI_8

The seven individual items of the Insomnia Severity Index²¹

GAD7_1 – GAD7_7

The seven individual items of the Generalized Anxiety Disorder 7²²

PHQ_1 – PHQ_9

The nine individual items of the Patient Health Questionnaire²³

Mania_1 – Mania_13

The thirteen individual items of the Mood Disorder questionnaire²⁵

Prodomal16_1 – Prodromal_16_16

The sixteen individual items of the Prodromal 16³²

Prodromal_Severity_1 - Prodromal_Severity_16

The sixteen individual items of the Prodromal 16 severity subscale³²

SCZ_UnusualExp1 - SCZ_UnusualExp12

The twelve individual items of the Short-Form Oxford-Liverpool Inventory of Feelings and Experiences – Unusual Experiences subscale²⁷

SCZ_CogDis_1 - SCZ_CogDis_11

The eleven individual items of the Short-Form Oxford-Liverpool Inventory of Feelings and Experiences – Cognitive Disorganisation subscale²⁷

SCZ_Anhed_1 - SCZ_Anhed_10

The ten individual items of the Short-Form Oxford-Liverpool Inventory of Feelings and Experiences – Introvertive Anhedonia subscale²⁷

SCZ_Nonconformity_1 - SCZ_Nonconformity_10

The ten individual items of the Short-Form Oxford-Liverpool Inventory of Feelings and Experiences – Impulsive Nonconformity subscale²⁷

GAD7_Anxiety

Summation of anxiety items

PHQ9_Depression

Summation of depressive items

MDQ_Mania

Summation of mania items

ISI_Insomnia

Summation of insomnia items

P16_Prodromal_Count

Summation of items assessing psychotic like experiences

P16_Prodromal_Severity

Summation of items assessing psychotic like experiences

Schizotypy_Unusual_Expereinces

Summation of items assessing unusual experiences

Schizotypy_Cognitive_Disorganisation

Summation of items assessing cognitive disorganisation

Schizotypy_Introvertive_Anhedonia

Summation of items assessing introvertive anhedonia

Schizotypy_Impulsive_Nonconformity

Summation of items assessing impulsive nonconformity

F1AFC – F4AFC, M1AFC – M4AFC

Individual items for categorisation accuracy of female/male faces displaying fear

F1ANC – F4ANC, M1ANC – M4ANC

Individual items for categorisation accuracy of female/male faces displaying anger

F1DIC – F4DIC, M1DiC – M4DIC

Individual items for categorisation accuracy of female/male faces displaying disgust

F1HAC – F4HAC, M1HAC – M4HAC

Individual items for categorisation accuracy of female/male faces displaying happiness

F1SAC – F4SAC, M1SAC – M4SAC

Individual items for categorisation accuracy of female/male faces displaying sadness

F1SUC – F4SUC, M1SUC – M4SUC

Individual items for categorisation accuracy of female/male faces displaying surprise

F1NC – F4NC, M1NC – M4NC

Individual items for categorisation accuracy of neutral female/male faces

F1AFI_1 – F4AFI_1, M1AFI_1 – M4AFI_1

Individual items for intensity ratings of female/male faces displaying fear.

F1ANI_1 – F4ANI_1, M1ANI_1 – M4ANI_1

Individual items for intensity ratings of female/male faces displaying anger.

F1DII_1 – F4DII_1, M1DII_1 – M4DII_1

Individual items for intensity ratings of female/male faces displaying disgust

F1HAI_1 – F4HAI_1, M1HAI_1 – M4HA I_1

Individual items for intensity ratings of female/male faces displaying happiness

F1SAI_1 – F4SA I_1, M1SAI_1 – M4SAI_1

Individual items for intensity ratings of female/male faces displaying sadness

F1SUI_1 – F4SUI_1, M1SUI_1 – M4SUI_1

Individual items for intensity ratings of female/male faces displaying surprise

F1NI_1 – F4NI_1, M1NI_1 – M4NI_1

Individual items for intensity ratings of neutral female/male faces

F1AFV – F4AFV, M1AFV – M4AFV

Individual items for valance ratings of female/male faces displaying fear.

F1ANV – F4ANV, M1ANV – M4ANV

Individual items for valance ratings of female/male faces displaying anger.

F1DIV – F4DIV, M1DIV – M4DIV

Individual items for valance ratings of female/male faces displaying disgust

F1HAV – F4HAV, M1HAV – M4HAV

Individual items for valance ratings of female/male faces displaying happiness

F1SAV – F4SAV, M1SAV – M4SAV

Individual items for valance ratings of female/male faces displaying sadness

F1SUV – F4SUV, M1SUV – M4SUV

Individual items for valance ratings of female/male faces displaying surprise

F1NV – F4NV, M1NV – M4NV

Individual items for valance ratings of neutral female/male faces

Intensity_Fear, Intensity_Anger, Intensity_Disgust, Intensity_Happiness, Intensity_Sadness, Intensity_Surprise, Intensity_Neutral

Mean intensity ratings based on the emotional expression observed

Valance_Fear, Valance_Anger, Valance_Disgust, Valance_Happiness, Valance_Sadness, Valance_Surprise, Valance_Neutral

Mean emotional valence ratings based on the emotional expression observed

Accuracy_Fear, Accuracy _Anger, Accuracy _Disgust, I Accuracy_Happiness, Accuracy _Sadness, Accuracy _Surprise, Accuracy_Neutral

Total accuracy scores when categorising the observed emotional expressions.

Fear_TOTAL_MSP_Anger, Fear_TOTAL_MSP_Disgust, Fear_TOTAL_MSP_Happiness, Fear_TOTAL_MSP_Sadness, Fear_TOTAL_MSP_Suprise, Fear_TOTAL_MSP_Neutral

Misperception of facially expressed fear. Specifically, which emotion an incorrect judgment was perceived to be.

Anger_TOTAL_MSP_Fear, Anger_TOTAL_MSP_Disgust, Anger_TOTAL_MSP_Happiness, Anger_TOTAL_MSP_Sadness, Anger_TOTAL_MSP_Suprise, Anger_TOTAL_MSP_Neutral

Misperception of facially expressed anger. Specifically, which emotion an incorrect judgment was perceived to be.

Disgust_TOTAL_MSP_Fear, Disgust_TOTAL_MSP_Anger, Disgust_TOTAL_MSP_Happiness, Disgust_TOTAL_MSP_Sadness, Disgust_TOTAL_MSP_Suprise, Disgust_TOTAL_MSP_Neutral

Misperception of facially expressed disgust. Specifically, which emotion an incorrect judgment was perceived to be.

Happiness_TOTAL_MSP_Fear, Happiness _TOTAL_MSP_Anger, Happiness _TOTAL_MSP_Disgust, Happiness _TOTAL_MSP_Sadness, Happiness _TOTAL_MSP_Suprise, Happiness _TOTAL_MSP_Neutral

Misperception of facially expressed happiness. Specifically, which emotion an incorrect judgment was perceived to be.

Sadness_TOTAL_MSP_Fear, Sadness_TOTAL_MSP_Anger, Sadness_TOTAL_MSP_Disgust, Sadness_TOTAL_MSP_Happiness, Sadness_TOTAL_MSP_Suprise, Sadness _TOTAL_MSP_Neutral

Misperception of facially expressed sadness. Specifically, which emotion an incorrect judgment was perceived to be.

Surprise_TOTAL_MSP_Fear, Surprise _TOTAL_MSP_Anger, Surprise _TOTAL_MSP_Disgust, Surprise_TOTAL_MSP_Sadness, Surprise_TOTAL_MSP_Happiness, Surprise_TOTAL_MSP_Neutral

Misperception of facially expressed surprise. Specifically, which emotion an incorrect judgment was perceived to be.

Neutral_TOTAL_MSP_Fear, Neutral_TOTAL_MSP_Anger, Neutral_TOTAL_MSP_Disgust, Neutral_TOTAL_MSP_Sadness, Neutral_TOTAL_MSP_Suprise, Neutral_TOTAL_MSP_Happiness

Misperception of neutral faces. Specifically, which emotion an incorrect judgment was perceived to be.