Differences

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--- mcot [2026/02/19 12:30] – [Variables] simone
+++ mcot [2026/02/25 14:32] (current) – simone
@@ Line 1: / Line 1: @@
 ====== Memory and Cognition Test (MCOT) ======
-MCOT is the name of an [[additional assessments|additional questionnaire]] in which a memory and cognition test is performed via a smartphone app, in a subgroup of adult Lifelines participants. Implementation of this additional study in [[start|Lifelines]] was initiated by the department of Nephrology of the University Medical Center Groningen.
+MCOT is the name of an [[additional assessments|additional assessment]] in which a memory and cognition test is performed via a smartphone app, in a subgroup of adult Lifelines participants. Implementation of this additional study in [[start|Lifelines]] was initiated by the department of Nephrology of the University Medical Center Groningen. The purpose of this study was to determine reference values for the digital version of the test, since they may differ from the available reference values that are based on the paper version.
-The test that was used in the MCOT study, was a digital version of the Symbol Digit Modalities Test (SDMT). The purpose of this study was to determine reference values for this digital version of the SDMT, since they may differ from the available reference values that are based on the paper version of the test.
 The collected MCOT data is currently under embargo. Please contact the Lifelines data managers at [[data@lifelines.nl]] for more information.
-===== Timeline =====
+===== Protocol =====
 Invitations were sent in December 2025. Non-responders received a personal reminder after ~3 weeks. Invited participants could download the app and perform the test until January 21st 2026.
+The test that was used in the MCOT study, was a digital version of the Symbol Digit Modalities Test (SDMT).
+During the 90-second digital SDMT task, individuals were presented with a set of symbols and asked to identify the correct number associated with each one.
+{{:sdmt.png?200|}}
 ===== Response =====
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 ===== Variables =====
-| **Questions English**                                                                                                                     | **Questions Dutch**                                                                                                                 | **Code**                                       | **Variable**         | **Assessment**                                                                                  | **Age**  |
+| **Label English**                                  | **Label Dutch**                             | **Code**                  | **Variable**          | **Assessment**  | **Age**  |
-| How old were you when you had your first menstruation?                                                                                    | Hoe oud was u toen u voor het eerst ongesteld werd?                                                                                 | menarche_age_adu_q_1                           | FEM5                 | [[1A Questionnaire 1|1AQ1]] or [[1A Questionnaire 2|1AQ2]], [[NEXT]]                            | 18+      |
+| number of attempts on sdmt test                    | aantal pogingen op sdmt test                | sdmt_attempts_adu_m_1     | number_attempts_test  | [[MCOT]]        | 18+      |
-| How old were you when you had your first menstruation?                                                                                    | Hoe oud was u toen u voor het eerst ongesteld werd?                                                                                 | menarche_age_adu_q_2                           | FEM5_2               | [[ROAQ]]                                                                                        | 18-45    |
+| number of correct answers on sdmt test             | aantal goede antwoorden op sdmt test        | sdmt_correct_adu_m_1      | correct_answers_test  | [[MCOT]]        | 18+      |
-| exact age (xx years) / how old were you when you had your first menstrual period?                                                         | exacte leeftijd (xx jaar) / hoe oud was u toen u voor het eerst ongesteld werd?                                                     | menarche_age_adu_q_2_a                         | FEM5age              | [[ROAQ]]
+| device model and android version                   | apparaat model en android versie            | sdmt_device_adu_m_1 (IO)  | sdmt_device           | [[MCOT]]        | 18+      |
+| participant notes in sdmt test                     | deelnemer notities in sdmt test             | sdmt_notes_adu_m_1 (IO)   | patientnotes          | [[MCOT]]        | 18+      |
+| time at which participant performed the sdmt test  | tijd waarop de deelnemer de sdmt test deed  | sdmt_time_adu_m_1         | sdmt_time             | [[MCOT]]        | 18+      |