sleep_indices_psqi_mctq_ess
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| sleep_indices_psqi_mctq_ess [2020/11/11 12:24] – [Epworth Sleepiness Scale (ESS)] laura | sleep_indices_psqi_mctq_ess [2025/02/05 13:49] (current) – external edit 127.0.0.1 | ||
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| During [[1B|follow-up questionnaire 1B]] adult [[start|Lifelines]] participants completed questionnaires from the [[Sleep quality (PSQI)|Pittsburgh Sleep Quality Index]]. Researchers from [[https:// | During [[1B|follow-up questionnaire 1B]] adult [[start|Lifelines]] participants completed questionnaires from the [[Sleep quality (PSQI)|Pittsburgh Sleep Quality Index]]. Researchers from [[https:// | ||
| - | The sleep indices can be requested in the Lifelines catalogue or by email (data@lifelines.nl). When this data has been used in your research, you will have to include a reference to the the following paper: | + | The sleep indices can be requested in the [[https://data-catalogue.lifelines.nl/|Lifelines catalogue]]. When this data has been used in your research, you will have to include a reference to the the following paper: |
| - | * //article hasn't been published | + | * [[https://doi.org/ |
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| * Component 7: Daytime dysfunction | * Component 7: Daytime dysfunction | ||
| - | Afterwards, the global PSQI score was calculated by adding the seven component scores (cut-off: max 1 missing component score). | + | Afterwards, the global PSQI score was calculated by adding the seven component scores (cut-off: max 1 missing component score). |
| + | Result: | ||
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| - A major difficulty in coding sleep data from the PSQI is dealing with incoherent sleep times. Per participant qualitative analyses of values may reveal whether the actual reporting was valid but subsequent coding is biased (e.g. typo's somewhere in the data collection procedures), | - A major difficulty in coding sleep data from the PSQI is dealing with incoherent sleep times. Per participant qualitative analyses of values may reveal whether the actual reporting was valid but subsequent coding is biased (e.g. typo's somewhere in the data collection procedures), | ||
| - Researchers using the Lifelines' | - Researchers using the Lifelines' | ||
| - | - Some questions for the PSQI are included in the MCTQ. As the MCTQ more broadly queries time-related questions about sleep behaviour, these questions must be used to calculate PSQI component scores and sumscore of subjective sleep quality. | + | - Some questions for the PSQI are included in the [[Chronotype (MCTQ)|MCTQ]]. As the MCTQ more broadly queries time-related questions about sleep behaviour, these questions must be used to calculate PSQI component scores and sumscore of subjective sleep quality. |
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| === Variables === | === Variables === | ||
| - | | **Questions | + | | **Label English** |
| | PSQI component 1: quality | | PSQI component 1: quality | ||
| | PSQI component 2: latency | | PSQI component 2: latency | ||
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| | Global PSQI score (weighted for maximum 1 component missing) | | Global PSQI score (weighted for maximum 1 component missing) | ||
| | Global PSQI score, dichotomized into good versus poor sleep quality | | Global PSQI score, dichotomized into good versus poor sleep quality | ||
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| ===== Munich Chronotype Questionnaire (MCTQ) ===== | ===== Munich Chronotype Questionnaire (MCTQ) ===== | ||
| The MTCQ is a questionnaire that assesses sleep and wake behavior on work and free days ([[https:// | The MTCQ is a questionnaire that assesses sleep and wake behavior on work and free days ([[https:// | ||
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| === Variables === | === Variables === | ||
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| - | | **Questions | + | | **Label English** |
| | Sleep duration on free days | Slaapduur op vrije dagen | mctq_sdfree_adu_c_1 | | Sleep duration on free days | Slaapduur op vrije dagen | mctq_sdfree_adu_c_1 | ||
| | Sleep duration on workdays | | Sleep duration on workdays | ||
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| - Changing the values of each ESS item score the answers (from 1-4 to 0-3) | - Changing the values of each ESS item score the answers (from 1-4 to 0-3) | ||
| - Calculating the overall ESS score by adding the item scores (cut-off: >= 1 item score missing) | - Calculating the overall ESS score by adding the item scores (cut-off: >= 1 item score missing) | ||
| - | - Categorization of ESS scores according to the [[https:// | + | - Categorization of ESS scores according to the [[https:// |
| * 0-5 ESS score: Lower Normal Daytime Sleepiness | * 0-5 ESS score: Lower Normal Daytime Sleepiness | ||
| * 6-10 ESS score: Higher Normal Daytime Sleepiness | * 6-10 ESS score: Higher Normal Daytime Sleepiness | ||
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| === Variables === | === Variables === | ||
| - | | **Description | + | | **Label English** |
| - | | Total score ESS | Totaal score ESS | + | | Total score ESS | Totaal score ESS | ess_totalscore_adu_c_1 |
| - | | ESS categories | + | | ESS categories |
sleep_indices_psqi_mctq_ess.1605097463.txt.gz · Last modified: (external edit)