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 ====== Personality sum scores (NEO) ====== ====== Personality sum scores (NEO) ======
  
-Researchers from the [[https://www.rug.nl/staff/l.schweren/research|University Medical Center Groningen]] and the [[https://research.vumc.nl/en/persons/sophia-van-der-sluis|Amsterdam University Medical Center]] calculated scores for several facets and five factor inventory (FFI) scales of the [[personality_neo|Personality (NEO)]] from participants aged 18-65 at [[1a_questionnaire_2|1A questionnaire 2]]. Lifelines combined these scores to create one personality sum score. ([[sections]]: [[mental health]] ([[personality_neo|Personality (NEO)]]) and [[secondary & linked variables]]).\\ +Researchers from the [[https://www.rug.nl/staff/l.schweren/research|University Medical Center Groningen]] and the [[https://research.vumc.nl/en/persons/sophia-van-der-sluis|Amsterdam University Medical Center]] calculated scores for several facets and five factor inventory (FFI) domains of the [[personality_neo|Personality (NEO)]] from participants aged 18-65 at [[1a_questionnaire_2|1A questionnaire 2]]. Lifelines combined these calculations.  ([[sections]]: [[mental health]] ([[personality_neo|Personality (NEO)]]) and [[secondary & linked variables]])\\
- +
-The personality sum scores (NEO) can be requested in the Lifelines catalogue or by mail (data@lifelines.nl).\\+
  
 +The personality sum scores (NEO) can be requested in the [[https://data-catalogue.lifelines.nl/|Lifelines catalogue]].\\
 +\\
 ===== Background ===== ===== Background =====
 In Lifelines, selected items of the [[personality_neo|NEO-PI-R]] were administered. Initially, 64 items (8 items belonging to 8 personality facets) were administered. At some point during the data collection process (approximately 80% of the sample had already taken part at that point), the following specific items were added:  In Lifelines, selected items of the [[personality_neo|NEO-PI-R]] were administered. Initially, 64 items (8 items belonging to 8 personality facets) were administered. At some point during the data collection process (approximately 80% of the sample had already taken part at that point), the following specific items were added: 
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   * All missing FFI items for the conscientiousness domain, such that now we have an FFI estimation of the conscientiousness domain total score   * All missing FFI items for the conscientiousness domain, such that now we have an FFI estimation of the conscientiousness domain total score
   * All missing FFI items for the extraversion domain, such that now we have an FFI estimation of the extraversion domain total score. Unfortunately, by mistake, one FFI item of the Extraversion domain was not included in the updated questionnaire. \\   * All missing FFI items for the extraversion domain, such that now we have an FFI estimation of the extraversion domain total score. Unfortunately, by mistake, one FFI item of the Extraversion domain was not included in the updated questionnaire. \\
 +\\
 ===== Calculation sum scores ===== ===== Calculation sum scores =====
-The calculation of the personality sum scores consisted of two steps. The first being data preparation and the second the calculation of the actual sum scores.+The calculation of the personality sum scores consisted of two steps. The first being data preparation and the second is the calculation of the actual sum scores of the different facets and the domains.
  
 === Preparation === === Preparation ===
-First, the variables for each facet and FFI domain were named according to their facet/domain (e.g. C1-C8 for the competence facet). Additionally, some items of the questionnaire should be reversed in order to calculate an appropriate sum score. A detailed overview of the variables per facet/domain and the items that are reversed can be found in the syntax on the Lifelines workspace. +First, the variables for each facet and FFI domain were named according to their facet/domain (e.g. C1-C8 for the competence facet). Additionally, some items of the questionnaire were reversed to calculate an appropriate sum score. A detailed overview of the variables per facet/domain and the items that are reversed can be found in the syntax on the Lifelines workspace. 
 Finally, variables have been created indicating the number of valid answers per facet and domain.\\ Finally, variables have been created indicating the number of valid answers per facet and domain.\\
  
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   - A sum score for all participants with complete data (no missing items) -> variable name //neocomplete_....//   - A sum score for all participants with complete data (no missing items) -> variable name //neocomplete_....//
   - A sum score for the available items for all participants -> variable name //neovalid_...//   - A sum score for the available items for all participants -> variable name //neovalid_...//
-  - A sum score for all participants with at least one valid item, with missing items imputed to the mean of all non-missing items //neoinputed_...// +  - A sum score for all participants with at least one valid item, with missing items imputed to the mean of all non-missing items -> variable name //neoimputed_...//
- +
-Besides the different sum scores, the number of valid items is provided. Enabling everyone to +
  
 +Besides the different sum scores, the number of valid items is provided. Enabling everyone to decide how many valid answers is enough to include a sum score.\\
  
 === Remarks === === Remarks ===
-total facet = 8, total FFI = 12  +  * The total number of items for a facet is 8, for a domain this is 12. As a result, the sum score for facets ranges from 0-40 and for the domains from 0-60. 
-o SUM1 for Extraversion as one variable is missing (11 vs 12 items)!! +  * The FFI item extraversion has one missing question. As a result, no sum score item number 1 has been calculated (as there is always at least one missing question). 
-Note that even in the old versions of the questionnaire, i.e. before adding the missing FFI items, the questionnaire did already contain some FFI items: 5 out of 12 FFI neuroticism items, 3 out of 12 FFI conscientiousness items, and 1 out of 12 FFI extraversion items. Therefore, FFI SUM2 and FFI SUM3 are calculated even for subjects who were administered an old version of the questionnaire. Thus, any researcher using these scores must always check the number of missing items per scale and set his/her own threshold for missingness. +  * Even though all FFI items have been included in only part of the questionnaires, the FFI sum scores have been calculated for all domains. This has been decided because before adding the missing items, the questionnaire did already contain some FFI items.
 \\ \\
 ===== Article ===== ===== Article =====
-  * ...\\ +  * [[https://doi.org/10.1016/j.clnu.2020.06.016| Schweren, L. J., Larsson, H., Vinke, P. C., Li, L., Kvalvik, L. G., Arias-Vasquez, A., ... & Hartman, C. A. (2021). Diet quality, stress and common mental health problems: A cohort study of 121,008 adults. Clinical Nutrition, 40(3), 901-906. https://doi.org/10.1016/j.clnu.2020.06.016]] \\ 
 +\\
 ===== Variables ===== ===== Variables =====
-| **Label English**  | **Label Dutch**  | **Code**  | **Variable**  | **Assessment**  | **Age**  | +| **Label English**                                        | **Label Dutch**                                                  | **Code**                               | **Variable**  | **Assessment**             | **Age**  | 
-|                    |                  |           |               |                 |          | +| number of valid items within competence facet            | aantal valide items binnen competence facet                      | neonumber_competence_adu_c_1           | valid_C       | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within anger-hostility facet       | aantal valide items binnen anger-hostility facet                 | neonumber_hostility_adu_c_1            | valid_A       | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within self-consciousness facet    | aantal valide items binnen self-consciousness facet              | neonumber_selfconsciousness_adu_c_1    | valid_SC      | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within impulsivity facet           | aantal valide items binnen impulsivity facet                     | neonumber_impulsivity_adu_c_1          | valid_I       | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within excitement-seeking facet    | aantal valide items binnen excitement-seeking facet              | neonumber_excitement_adu_c_1           | valid_E       | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within self-discipline facet       | aantal valide items binnen self-discipline facet                 | neonumber_selfdiscipline_adu_c_1       | valid_SD      | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          | +| number of valid items within vulnerability facet         | aantal valide items binnen vulnerability facet                   | neonumber_vulnerability_adu_c_1        | valid_V       | [[1A Questionnaire 2|1A]]  | 18+      | 
-|                    |                  |           |               |                 |          |+| number of valid items within deliberation facet          | aantal valide items binnen deliberation facet                    | neonumber_deliberation_adu_c_1         | valid_D       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| number of valid items within anxiety facet               | aantal valide items binnen anxiety facet                         | neonumber_anxiety_adu_c_1              | valid_ANX     | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| number of valid items within depression facet            | aantal valide items binnen depression facet                      | neonumber_depression_adu_c_1           | valid_DEP     | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| number of valid items within neuroticism domain          | aantal valide items binnen neuroticism domein                    | neonumber_neuroticism_adu_c_1          | valid_NEURO   | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| number of valid items within conscientiousness domain    | aantal valide items binnen conscientiousness domein              | neonumber_conscientiousness_adu_c_1    | valid_CONSC   | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| number of valid items within extraversion domain         | aantal valide items binnen extraversion domein                   | neonumber_extraversion_adu_c_1         | valid_EXTRA   | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete competence facet (no missings)           | som van complete competence facet (geen missings)                | neocomplete_competence_adu_c_1         | SUM1_C        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete anger-hostility facet (no missings)      | som van complete anger-hostility facet (geen missings)           | neocomplete_hostility_adu_c_1          | SUM1_A        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete self-consciousness facet (no missings)   | som van complete self-consciousness facet (geen missings)        | neocomplete_selfconsciousness_adu_c_1  | SUM1_SC       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete impulsivity facet (no missings)          | som van complete impulsivity facet (geen missings)               | neocomplete_impulsivity_adu_c_1        | SUM1_I        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete excitement-seeking facet (no missings)   | som van complete excitement-seeking facet (geen missings)        | neocomplete_excitement_adu_c_1         | SUM1_E        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete self-discipline facet (no missings)      | som van complete self-discipline facet (geen missings)           | neocomplete_selfdiscipline_adu_c_1     | SUM1_SD       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete vulnerability facet (no missings)        | som van complete vulnerability facet (geen missings)             | neocomplete_vulnerability_adu_c_1      | SUM1_V        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete deliberation facet (no missings)         | som van complete deliberation facet (geen missings)              | neocomplete_deliberation_adu_c_1       | SUM1_D        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete anxiety facet (no missings)              | som van complete anxiety facet (geen missings)                   | neocomplete_anxiety_adu_c_1            | SUM1_ANX      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete depression facet (no missings)           | som van complete depression facet (geen missings)                | neocomplete_depression_adu_c_1         | SUM1_DEP      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete neuroticism domain (no missings)         | som van complete neuroticism domein (geen missings)              | neocomplete_neuroticism_adu_c_1        | SUM1_NEURO    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of complete conscientiousness domain (no missings)   | som van complete conscientiousness domein (geen missings)        | neocomplete_conscientiousness_adu_c_1  | SUM1_CONSC    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within competence facet           | som van alle valide items binnen competence facet                | neovalid_competence_adu_c_1            | SUM2_C        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within anger-hostility facet      | som van alle valide items binnen anger-hostility facet           | neovalid_hostility_adu_c_1             | SUM2_A        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within self-consciousness facet   | som van alle valide items binnen self-consciousness facet        | neovalid_selfconsciousness_adu_c_1     | SUM2_SC       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within impulsivity facet          | som van alle valide items binnen impulsivity facet               | neovalid_impulsivity_adu_c_1           | SUM2_I        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within excitement-seeking facet   | som van alle valide items binnen excitement-seeking facet        | neovalid_excitement_adu_c_1            | SUM2_E        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within self-discipline facet      | som van alle valide items binnen self-discipline facet           | neovalid_selfdiscipline_adu_c_1        | SUM2_SD       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within vulnerability facet        | som van alle valide items binnen vulnerability facet             | neovalid_vulnerability_adu_c_1         | SUM2_V        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within deliberation facet         | som van alle valide items binnen deliberation facet              | neovalid_deliberation_adu_c_1          | SUM2_D        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within anxiety facet              | som van alle valide items binnen anxiety facet                   | neovalid_anxiety_adu_c_1               | SUM2_ANX      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within depression facet           | som van alle valide items binnen depression facet                | neovalid_depression_adu_c_1            | SUM2_DEP      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within neuroticism domain         | som van alle valide items binnen neuroticism domein              | neovalid_neuroticism_adu_c_1           | SUM2_NEURO    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within conscientiousness domain   | som van alle valide items binnen conscientiousness domein        | neovalid_conscientiousness_adu_c_1     | SUM2_CONSC    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of all valid items within extraversion domain        | som van alle valide items binnen extraversion domein             | neovalid_extraversion_adu_c_1          | SUM2_EXTRA    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of competence facet (missing items imputed)          | som van competence facet (missende waarden geimputeerd)          | neoimputed_competence_adu_c_1          | SUM3_C        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of anger-hostility facet (missing items imputed)     | som van anger-hostility facet (missende waarden geimputeerd)     | neoimputed_hostility_adu_c_1           | SUM3_A        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of self-consciousness facet (missing items imputed)  | som van self-consciousness facet (missende waarden geimputeerd)  | neoimputed_selfconsciousness_adu_c_1   | SUM3_SC       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of impulsivity facet (missing items imputed)         | som van impulsivity facet (missende waarden geimputeerd)         | neoimputed_impulsivity_adu_c_1         | SUM3_I        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of excitement-seeking facet (missing items imputed)  | som van excitement-seeking facet (missende waarden geimputeerd)  | neoimputed_excitement_adu_c_1          | SUM3_E        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of self-discipline facet (missing items imputed)     | som van self-discipline facet (missende waarden geimputeerd)     | neoimputed_selfdiscipline_adu_c_1      | SUM3_SD       | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of vulnerability facet (missing items imputed)       | som van vulnerability facet (missende waarden geimputeerd)       | neoimputed_vulnerability_adu_c_1       | SUM3_V        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of deliberation facet (missing items imputed)        | som van deliberation facet (missende waarden geimputeerd)        | neoimputed_deliberation_adu_c_1        | SUM3_D        | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of anxiety facet (missing items imputed)             | som van anxiety facet (missende waarden geimputeerd)             | neoimputed_anxiety_adu_c_1             | SUM3_ANX      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of depression facet (missing items imputed)          | som van depression facet (missende waarden geimputeerd)          | neoimputed_depression_adu_c_1          | SUM3_DEP      | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of neuroticism domain (missing items imputed)        | som van neuroticism domein (missende waarden geimputeerd)        | neoimputed_neuroticism_adu_c_1         | SUM3_NEURO    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of conscientiousness domain (missing items imputed)  | som van conscientiousness domein (missende waarden geimputeerd)  | neoimputed_conscientiousness_adu_c_1   | SUM3_CONSC    | [[1A Questionnaire 2|1A]]  | 18+      | 
 +| sum of extraversion domain (missing items imputed)       | som van extraversion domein (missende waarden geimputeerd)       | neoimputed_extraversion_adu_c_1        | SUM3_EXTRA    | [[1A Questionnaire 2|1A]]  | 18+      |
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