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NIMH Data Archive
NDA ABCD CCF OAI NIAAADA AMP SCZ HEAL

Linguistic Inquiry and Word Count

123 Shared Subjects

N/A
Clinical Assessments
Cognitive
05/16/2017
liwc01
01/02/2024
View Change History
01
Definition
Submission Template
Query Element Name Data Type Size Required Description Value Range Notes Aliases
subjectkey GUID Required The NDAR Global Unique Identifier (GUID) for research subject NDAR*
src_subject_id String 20 Required Subject ID how it's defined in lab/project
interview_date Date Required Date on which the interview/genetic test/sampling/imaging/biospecimen was completed. MM/DD/YYYY
interview_age Integer Required Age in months at the time of the interview/test/sampling/imaging. 0::1440 Age is rounded to chronological month. If the research participant is 15-days-old at time of interview, the appropriate value would be 0 months. If the participant is 16-days-old, the value would be 1 month.
sex String 20 Required Sex of subject at birth M;F; O; NR M = Male; F = Female; O=Other; NR = Not reported gender
ear_liwc_1 Integer Recommended Word count 0::999999 Total number of words in text
ear_liwc_2 Float Recommended Analytical thinking 0::100 Percentage of words in text
ear_liwc_3 Float Recommended Clout 0::100 Percentage of words in text
ear_liwc_4 Float Recommended Authentic 0::100 Percentage of words in text
ear_liwc_5 Float Recommended Emotional tone 0::100 Percentage of words in text
ear_liwc_6 Float Recommended Words/sentence 0::100 Percentage of words in text
ear_liwc_7 Float Recommended Words > 6 letters 0::100 Percentage of words in text
ear_liwc_8 Float Recommended Dictionary words 0::100 Percentage of words in text
ear_liwc_9 Float Recommended Total function words 0::100 Percentage of words in text
ear_liwc_10 Float Recommended Total pronouns 0::100 Percentage of words in text
ear_liwc_11 Float Recommended Personal pronouns 0::100 Percentage of words in text
ear_liwc_12 Float Recommended 1st pers singular 0::100 Percentage of words in text
ear_liwc_13 Float Recommended 1st pers plural 0::100 Percentage of words in text
ear_liwc_14 Float Recommended 2nd person 0::100 Percentage of words in text
ear_liwc_15 Float Recommended 3rd pers singular 0::100 Percentage of words in text
ear_liwc_16 Float Recommended 3rd pers plural 0::100 Percentage of words in text
ear_liwc_17 Float Recommended Impersonal pronouns 0::100 Percentage of words in text
ear_liwc_18 Float Recommended Articles 0::100 Percentage of words in text
ear_liwc_19 Float Recommended Prepositions 0::100 Percentage of words in text
ear_liwc_20 Float Recommended Auxiliary verbs 0::100 Percentage of words in text
ear_liwc_21 Float Recommended Common Adverbs 0::100 Percentage of words in text
ear_liwc_22 Float Recommended Conjunctions 0::100 Percentage of words in text
ear_liwc_23 Float Recommended Negations 0::100 Percentage of words in text
ear_liwc_24 Float Recommended Common verbs 0::100 Percentage of words in text
ear_liwc_25 Float Recommended Common adjectives 0::100 Percentage of words in text
ear_liwc_26 Float Recommended Comparisons 0::100 Percentage of words in text
ear_liwc_27 Float Recommended Interrogatives 0::100 Percentage of words in text
ear_liwc_28 Float Recommended Numbers 0::100 Percentage of words in text
ear_liwc_29 Float Recommended Quantifiers 0::100 Percentage of words in text
ear_liwc_30 Float Recommended Affective processes 0::100 Percentage of words in text
ear_liwc_31 Float Recommended Positive emotion 0::100 Percentage of words in text
ear_liwc_32 Float Recommended Negative emotion 0::100 Percentage of words in text
ear_liwc_33 Float Recommended Anxiety 0::100 Percentage of words in text
ear_liwc_34 Float Recommended Anger 0::100 Percentage of words in text
ear_liwc_35 Float Recommended Sadness 0::100 Percentage of words in text
ear_liwc_36 Float Recommended Social processes 0::100 Percentage of words in text
ear_liwc_37 Float Recommended Family 0::100 Percentage of words in text
ear_liwc_38 Float Recommended Friends 0::100 Percentage of words in text
ear_liwc_39 Float Recommended Female references 0::100 Percentage of words in text
ear_liwc_40 Float Recommended Male references 0::100 Percentage of words in text
ear_liwc_41 Float Recommended Cogntive processes 0::100 Percentage of words in text
ear_liwc_42 Float Recommended Insight 0::100 Percentage of words in text
ear_liwc_43 Float Recommended Causation 0::100 Percentage of words in text
ear_liwc_44 Float Recommended Discrepancy 0::100 Percentage of words in text
ear_liwc_45 Float Recommended Tentative 0::100 Percentage of words in text
ear_liwc_46 Float Recommended Certainty 0::100 Percentage of words in text
ear_liwc_47 Float Recommended Differentiation 0::100 Percentage of words in text
ear_liwc_48 Float Recommended Perceptual processes 0::100 Percentage of words in text
ear_liwc_49 Float Recommended See 0::100 Percentage of words in text
ear_liwc_50 Float Recommended Hear 0::100 Percentage of words in text
ear_liwc_51 Float Recommended Feel 0::100 Percentage of words in text
ear_liwc_52 Float Recommended Biological Processes 0::100 Percentage of words in text
ear_liwc_53 Float Recommended Body 0::100 Percentage of words in text
ear_liwc_54 Float Recommended Health 0::100 Percentage of words in text
ear_liwc_55 Float Recommended Sexual 0::100 Percentage of words in text
ear_liwc_56 Float Recommended Ingestion 0::100 Percentage of words in text
ear_liwc_57 Float Recommended Drives 0::100 Percentage of words in text
ear_liwc_58 Float Recommended Affiliation 0::100 Percentage of words in text
ear_liwc_59 Float Recommended Achievement 0::100 Percentage of words in text
ear_liwc_60 Float Recommended Power 0::100 Percentage of words in text
ear_liwc_61 Float Recommended Reward 0::100 Percentage of words in text
ear_liwc_62 Float Recommended Risk 0::100 Percentage of words in text
ear_liwc_63 Float Recommended Time orientations 0::100 Percentage of words in text
ear_liwc_64 Float Recommended Past focus 0::100 Percentage of words in text
ear_liwc_65 Float Recommended Present focus 0::100 Percentage of words in text
ear_liwc_66 Float Recommended Future focus 0::100 Percentage of words in text
ear_liwc_67 Float Recommended Relativity 0::100 Percentage of words in text
ear_liwc_68 Float Recommended Motion 0::100 Percentage of words in text
ear_liwc_69 Float Recommended Space 0::100 Percentage of words in text
ear_liwc_70 Float Recommended Time 0::100 Percentage of words in text
ear_liwc_71 Float Recommended Personal concerns 0::100 Percentage of words in text
ear_liwc_72 Float Recommended Work 0::100 Percentage of words in text
ear_liwc_73 Float Recommended Leisure 0::100 Percentage of words in text
ear_liwc_74 Float Recommended Home 0::100 Percentage of words in text
ear_liwc_75 Float Recommended Money 0::100 Percentage of words in text
ear_liwc_76 Float Recommended Religion 0::100 Percentage of words in text
ear_liwc_77 Float Recommended Death 0::100 Percentage of words in text
ear_liwc_78 Float Recommended Informal language 0::100 Percentage of words in text
ear_liwc_79 Float Recommended Swear words 0::100 Percentage of words in text
ear_liwc_80 Float Recommended Netspeak 0::100 Percentage of words in text
ear_liwc_81 Float Recommended Assent 0::100 Percentage of words in text
ear_liwc_82 Float Recommended Nonfluencies 0::100 Percentage of words in text
ear_liwc_83 Float Recommended Fillers 0::100 Percentage of words in text
true_epds Float Recommended True averaged Edinburgh Postnatal Depression Scale score for a given text-EPDS pair 0::30 Higher score is more indicative of postnatal depression.
demographicsonly_predictedepds Float Recommended Predicted Edinburgh Postnatal Depression Scale value based off of modeling with only demographic features 0::30; 999 999=NA; Higher score is more indicative of postnatal depression. If any of the variables are missing, then the data point was not included in the model and did not receive an EPDS score.
demographicsnlp_predictedepds Float Recommended Predicted Edinburgh Postnatal Depression Scale value based off of modeling with demographic features and NLP features 0::30; 999 999=NA; Higher score is more indicative of postnatal depression. If any of the variables are missing, then the data point was not included in the model and did not receive an EPDS score.
demonlpmoodsymp_predictedepds Float Recommended Predicted Edinburgh Postnatal Depression Scale value based off of modeling with demographic features, NLP features, mood, and symptoms 0::30; 999 999=NA; Higher score is more indicative of postnatal depression. If any of the variables are missing, then the data point was not included in the model and did not receive an EPDS score.
liwc_perc_wps Float Recommended Average number of words per sentence 0::500
liwc_perc_dic Float Recommended Percent of words that are captured by LIWC 0::100
liwc_perc_linguistic Float Recommended Percent of words that are in any of the LIWC linguistic dimension categories (pronouns, articles, numbers, prepositions, auxiliary verbs, adverbs, conjunctions, negations, common verbs, common adjectives, and quantities) 0::100
liwc_perc_det Float Recommended Percent of words that are determiners (the, at, that, my, etc.) 0::100
liwc_perc_quantity Float Recommended Percent of words that are quantities (all, one, more, some, etc.) 0::100
liwc_perc_cognition Float Recommended Percent of words that are related to cognition (is, was, but, are, etc.) 0::100
liwc_perc_allnone Float Recommended Percent of words that are related to all-or-none thinking (all, no, never, always, etc.) 0::100
liwc_perc_memory Float Recommended Percent of words that are related to memory (remember, forgot, remind, amnesia, etc.) 0::100
liwc_perc_affect Float Recommended Percent of words that measure affect, emotion, and swear words (good, injustice, new, love, etc.) 0::100
liwc_perc_tone_pos Float Recommended Percent of words that have a positive tone (important, yay, birthday, reliable, etc.) 0::100
liwc_perc_tone_neg Float Recommended Percent of words that have a negative tone (bad, wrong, too much, hate, etc.) 0::100
liwc_perc_emotion Float Recommended Percent of words that demonstrate emotion (hope, wronged, insecure, comfortable, etc.) 0::100
liwc_perc_socbehav Float Recommended Percent of words that are related to social behavior (said, love, say, care, etc.) 0::100
liwc_perc_prosocial Float Recommended Percent of words that are prosocial behavior (care, help, thank, please, etc.) 0::100
liwc_perc_polite Float Recommended Percent of words that indicate politeness (thank, please, good morning, pardon, etc.) 0::100
liwc_perc_conflict Float Recommended Percent of words that are related to interpersonal conflict (fight, kill, attack, nemesis, etc.) 0::100
lasso_model String 4,000 Recommended Lasso model description Example: 30-day LASSO model with demographics and NLP features
liwc_perc_moral Float Recommended Percent of words that are related to moralization (wrong, honor, deserve, judge, etc.) 0::100
liwc_perc_comm Float Recommended Percent of words that are related to communication (said, say, tell, thank, etc.) 0::100
liwc_perc_socrefs Float Recommended Percent of words that are social referents (boyfriend, human, mamma, yall, etc.) 0::100
liwc_perc_culture Float Recommended Percent of words that are related to culture, i.e. politics, ethnicity, and technology (car, united states, government, phone, etc.) 0::100
liwc_perc_politic Float Recommended Percent of words that are related to politics (citizen, congress, free speech, nation, etc.) 0::100
liwc_perc_ethnicity Float Recommended Percent of words that are ethnicities (American, French, Chinese, Indian, etc.) 0::100
liwc_perc_tech Float Recommended Percent of words that are related to technology (car, phone, computer, email, etc.) 0::100
liwc_perc_lifestyle Float Recommended Percent of words that are related to lifestyle (work, home, school, fun, etc.) 0::100
liwc_perc_physical Float Recommended Percent of words that are related to physical health and physical experiences (medical, food, patients, eye, etc.) 0::100
liwc_perc_health Float Recommended Percent of words that are related to physical health (respiratory, anemia, rehab, seizure, etc.) 0::100
datapoint_label Integer Recommended Numerical label for text-EPDS (Edinburgh Postnatal Depression Scale) pair or data point going into the model 0::4000
liwc_perc_illness Float Recommended Percent of words that are related to illness (hospital, cancer, sick, pain, etc.) 0::100
liwc_perc_wellness Float Recommended Percent of words that are related to wellness (healthy, gym, supported, diet, etc.) 0::100
liwc_perc_mental Float Recommended Percent of words that are related to mental health (depressed, suicide, trauma, zoloft, etc.) 0::100
liwc_perc_substances Float Recommended Percent of words that are related to substances (beer, wine, drunk, cigar, etc.) 0::100
liwc_perc_food Float Recommended Percent of words that are related to food (dietary, drink, eat dinner, etc.) 0::100
liwc_perc_need Float Recommended Percent of words that are related to the state of need (have to, need, must, crisis, etc.) 0::100
liwc_perc_want Float Recommended Percent of words that are related to the state of wanting (want, hope, wished, crave, etc.) 0::100
liwc_perc_acquire Float Recommended Percent of words that are related to acquiring (accumulate, get, take, robbed, etc.) 0::100
liwc_perc_lack Float Recommended Percent of words that are related to lacking (less, don''t have, absent, scarce, etc.) 0::100
liwc_perc_fulfill Float Recommended Percent of words that are related to fulfillment (enough, full, complete, extra, etc.) 0::100
traintestdev Integer Recommended The group that the participant has been assigned to for modeling 1::3 1=Train; 2=Test; 3=Development
liwc_perc_fatigue Float Recommended Percent of words that are related to fatigue (tired, bored, don''t care, sleepy, etc.) 0::100
liwc_perc_curiosity Float Recommended Percent of words that are related to curiosity (science, looking for, research, wonder, etc.) 0::100
liwc_perc_allure Float Recommended Percent of words that are related to allure (have, like, out, know, etc.) 0::100
liwc_perc_attention Float Recommended Percent of words that are related to attention (look, watch, check, warning, etc.) 0::100
liwc_perc_conversation Float Recommended Percent of words that are conversational (yeah, oh, yes, okay, etc.) 0::100
liwc_perc_allpunc Float Recommended Number of punctuation marks divided by the number of words * 100 0::100
liwc_perc_period Float Recommended Number of periods divided by the number of words * 100 0::100
liwc_perc_comma Float Recommended Number of commas divided by the number of words * 100 0::100
liwc_perc_qmark Float Recommended Number of question marks divided by the number of words * 100 0::100
liwc_perc_exclam Float Recommended Number of exclamation marks divided by the number of words * 100 0::100
mood_max Integer Recommended Maximum mood recorded in the app's daily check-in feature during the 30-day or 60-day time period in which journal entries are eligible. 1::6 1=Very Poor; 2=Poor; 3=Neutral; 4=Good; 5=Very Good; 6=Skip, prefer not to answer
liwc_perc_apostro Float Recommended Number of apostrophes divided by the number of words * 100 0::100
liwc_perc_otherp Float Recommended Number of other punctuation marks divided by the number of words * 100 0::100
liwc_perc_covid Float Recommended Percent of words that are related to COVID-19 (corona, mask, booster, pandemic, etc.) 0::100
liwc_perc_preg Float Recommended Percent of words that are related to pregnancy health, pregnancy symptoms, and prenatal appointments (baby, nausea, clinic, postpartum, etc.) 0::100
mood_min Integer Recommended Minimum mood recorded in the app's daily check-in feature during the 30-day or 60-day time period in which journal entries are eligible. 1::6 1=Very Poor; 2=Poor; 3=Neutral; 4=Good; 5=Very Good; 6=Skip, prefer not to answer
mood_avg Float Recommended Average mood recorded in the app's daily check-in feature during the 30-day or 60-day time period in which journal entries are eligible. 1::6 1=Very Poor; 2=Poor; 3=Neutral; 4=Good; 5=Very Good; 6=Skip, prefer not to answer
symptoms_binary Integer Recommended Binary variable for whether or not the patient reported symptoms in the 30-day or 60-day time period in which journal entries are eligible. 0;1 0=No; 1=Yes
Data Structure

This page displays the data structure defined for the measure identified in the title and structure short name. The table below displays a list of data elements in this structure (also called variables) and the following information:

  • Element Name: This is the standard element name
  • Data Type: Which type of data this element is, e.g. String, Float, File location.
  • Size: If applicable, the character limit of this element
  • Required: This column displays whether the element is Required for valid submissions, Recommended for valid submissions, Conditional on other elements, or Optional
  • Description: A basic description
  • Value Range: Which values can appear validly in this element (case sensitive for strings)
  • Notes: Expanded description or notes on coding of values
  • Aliases: A list of currently supported Aliases (alternate element names)
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