stress_sum_scores
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stress_sum_scores [2021/08/30 17:38] laura [Table] |
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| ====== Stress sum scores (LDI, LTE) ====== | ====== Stress sum scores (LDI, LTE) ====== | ||
| - | Researchers from the [[https://www.rug.nl/staff/l.schweren/research|University Medical Center Groningen]] validated and created sum scores for questionnaire data on past-year stress exposure. More specifically the [[stress_ldi|Long-term Difficulties Inventory (LDI)]] and [[stress_lte|List of Threatening Experiences (LTE)]] for adult participants at [[1a_questionnaire_2|1A]], [[1B]], [[1C]], [[2a_questionnaire_1|2A]], and [[3a_questionnaire_2|3A]]. ([[sections]]: [[mental health]] ([[stress_ldi|LDI]], [[stress_lte|LTE]]) and [[secondary & linked variables]]).\\ | + | Researchers from the [[https://www.rug.nl/staff/l.schweren/research|University Medical Center Groningen]] validated and created sum scores for questionnaire data on past-year stress exposure. More specifically the [[stress_ldi|Long-term Difficulties Inventory (LDI)]] and [[stress_lte|List of Threatening Experiences (LTE)]] for adult participants at [[1a_questionnaire_2|1A]], [[1B]], [[1C]], [[2a_questionnaire_1|2A]], and [[3a_questionnaire_2|3A]]. ([[sections]]: [[mental health]] ([[stress_ldi|LDI]], [[stress_lte|LTE]]) and [[secondary & linked variables]])\\ |
| - | + | ||
| - | The stress sum scores can be requested in the Lifelines catalogue or by mail (data@lifelines.nl).\\ | + | |
| + | The stress sum scores can be requested in the [[https://data-catalogue.lifelines.nl/|Lifelines catalogue]].\\ | ||
| + | \\ | ||
| ===== Background ===== | ===== Background ===== | ||
| - | In the Lifelines questionnaires two stress exposure questionnaires are administered: (1) the [[stress_ldi|Long-term Difficulties Inventory (LDI)]], which measures long-term difficulties and focusses more on potential sources of chronic stress and how much the participant was affected by this type of stress; and (2) the [[stress_lte|List of Threatening Experiences (LTE)]] which meaures more acute stressful life events and asks whether participants experienced such an event in the past year.\\ | + | In the Lifelines questionnaires two stress exposure questionnaires are administered: (1) the [[stress_ldi|Long-term Difficulties Inventory (LDI)]], which measures long-term difficulties and focusses more on potential sources of chronic stress and how much the participant was affected by this type of stress; and (2) the [[stress_lte|List of Threatening Experiences (LTE)]] which measures more acute stressful life events and asks whether participants experienced such an event in the past year.\\ |
| + | \\ | ||
| ===== Calculations===== | ===== Calculations===== | ||
| Before the researchers proceeded with the actual calculations, first the variables were recoded (0=not, 1=somewhat, 2=very much for LDI and 0=no, 1=yes for LTE). | Before the researchers proceeded with the actual calculations, first the variables were recoded (0=not, 1=somewhat, 2=very much for LDI and 0=no, 1=yes for LTE). | ||
| === Sum score === | === Sum score === | ||
| - | After recoding, the sum scores are calculated by adding all LDI/LTE variables together. | + | After recoding, the sum scores are calculated by adding all LDI or LTE items together. |
| Please note that in case one or more items are missing, **no** sum score is calculated. The missing item is not imputed because stressful life events are generally thought of as being random. Imputing the occurrence of a random event based on the occurrence of another random event is not theoretically sound. | Please note that in case one or more items are missing, **no** sum score is calculated. The missing item is not imputed because stressful life events are generally thought of as being random. Imputing the occurrence of a random event based on the occurrence of another random event is not theoretically sound. | ||
| === Suspicious scores === | === Suspicious scores === | ||
| - | Finally, participants with suspiciosly high scores have been flagged. In other words, participants with 'very much' for each LDI item or 'yes' on each LTI item received such indication. Note that these subjects should not necessarily be excluded: these are very few cases suggesting they might actually represent the unfortunate few who went through all of these events in the past year.\\ | + | Finally, participants with suspiciously high scores have been flagged. In other words, participants with 'very much' for each LDI item or 'yes' on each LTI item received such indication. Note that these subjects should not necessarily be excluded: these are very few cases suggesting they might represent the unfortunate few who went through all of these events in the past year.\\ |
| + | \\ | ||
| ===== 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]] |
| + | * [[https://doi.org/10.1016/j.bbi.2021.05.022|Mac Giollabhui, N., Alloy, L. B., Schweren, L. J., & Hartman, C. A. (2021). Investigating whether a combination of higher CRP and depression is differentially associated with worse executive functioning in a cohort of 43,896 adults. Brain, Behavior, and Immunity. https://doi.org/10.1016/j.bbi.2021.05.022]]\\ | ||
| + | \\ | ||
| ===== Variables ===== | ===== Variables ===== | ||
stress_sum_scores.1630337908.txt.gz · Last modified: 2025/02/05 14:49 (external edit)
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