squash_sum_scores
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squash_sum_scores [2021/06/04 13:57] laura [Data processing (part 2)] |
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| Researchers from the [[https://www.rug.nl/staff/o.byambasukh/research|University Medical Center Groningen]] used the raw data from the [[Physical activity (SQUASH)|SQUASH]] instrument in [[1A Questionnaire 2]] to calculate the sum scores for physical activity per activity type and overall for all adult participants who sufficiently filled in the questionnaire ([[sections]]: [[lifestyle & environment]] and [[secondary & linked variables]]).\\ | Researchers from the [[https://www.rug.nl/staff/o.byambasukh/research|University Medical Center Groningen]] used the raw data from the [[Physical activity (SQUASH)|SQUASH]] instrument in [[1A Questionnaire 2]] to calculate the sum scores for physical activity per activity type and overall for all adult participants who sufficiently filled in the questionnaire ([[sections]]: [[lifestyle & environment]] and [[secondary & linked variables]]).\\ | ||
| - | The SQUASH sum scores can be requested in the Lifelines catalogue. Only the final results are present in the Lifelines catalogue, if you would like to receive the extensive version (including all intermediate variables) we assume you understand the data. The extensive version can be requested by mailing data@lifelines.nl. | + | The SQUASH sum scores can be requested in the [[https://data-catalogue.lifelines.nl/|Lifelines catalogue]]. Only the final results are present in the Lifelines catalogue, if you would like to receive the extensive version (including all intermediate variables) we assume you understand the data. The extensive version can be requested by mailing data@lifelines.nl. |
| When the SQUASH sum scores have been used in your research, you can refer to the Chapter 7 of the following thesis: | When the SQUASH sum scores have been used in your research, you can refer to the Chapter 7 of the following thesis: | ||
| * [[https://doi.org/10.33612/diss.112903501|Byambasukh, O. (2020). Physical activity and cardiometabolic health: Focus on domain-specific associations of physical activity over the life course. University of Groningen. https://doi.org/10.33612/diss.112903501]].\\ | * [[https://doi.org/10.33612/diss.112903501|Byambasukh, O. (2020). Physical activity and cardiometabolic health: Focus on domain-specific associations of physical activity over the life course. University of Groningen. https://doi.org/10.33612/diss.112903501]].\\ | ||
| \\ | \\ | ||
| ===== Data processing (part 1) ===== | ===== Data processing (part 1) ===== | ||
| - | The calculation of the SQUASH sum scores according to Wendel-Vos et al. (2004) consisted of three consecutive steps: (1) calculation, (2) conversion, and (3) categorization. Below the steps are briefly described; for a more detailed description we refer to [[https://doi.org/10.33612/diss.112903501|Byambasukh, O. (2020)]]. | + | The calculation of the SQUASH sum scores according to [[https://meetinstrumentenzorg.nl/wp-content/uploads/instrumenten/503_2_N.pdf|Wendel-Vos et al. (2004)]] consisted of three consecutive steps: (1) calculation, (2) conversion, and (3) categorization. Below the steps are briefly described; for a more detailed description we refer to [[https://doi.org/10.33612/diss.112903501|Byambasukh, O. (2020)]]. The results of this syntax have been released as SQUASH sum scores previously (version 1). |
| * **Step 1 - Calculation:** In this step the minutes per week of each activity have been calculated using the questionnaire data. | * **Step 1 - Calculation:** In this step the minutes per week of each activity have been calculated using the questionnaire data. | ||
| * **Step 2 - Conversion:** In this step an intensity factor based on the levels of effort has been assigned for each activity. | * **Step 2 - Conversion:** In this step an intensity factor based on the levels of effort has been assigned for each activity. | ||
| - | * **Step 3 - Categorization:** In this step the intensity categories are determined using the intensity factors from step 2. // | + | * **Step 3 - Categorization:** In this step the intensity categories are determined using the intensity factors from step 2. \\ |
| - | // | + | \\ |
| ===== Data processing (part 2 + 3)===== | ===== Data processing (part 2 + 3)===== | ||
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| - An alternative outcome for physical activity that is often used is ‘MET-minutes’. However, if updated MET values derived from the 2011 version of the Ainsworth’s compendium are used, MET values for cycling conducted as a commuting or leisure-time activity should be set at 5.0 to avoid overestimating vigorous PA. Moreover, it is best to use ‘MET-minutes in MVPA’, thus MET-minutes for the moderate to vigorous levels (selecting MET ≥ 4) because of the high risk of obtaining imprecise estimates for light PA minutes. | - An alternative outcome for physical activity that is often used is ‘MET-minutes’. However, if updated MET values derived from the 2011 version of the Ainsworth’s compendium are used, MET values for cycling conducted as a commuting or leisure-time activity should be set at 5.0 to avoid overestimating vigorous PA. Moreover, it is best to use ‘MET-minutes in MVPA’, thus MET-minutes for the moderate to vigorous levels (selecting MET ≥ 4) because of the high risk of obtaining imprecise estimates for light PA minutes. | ||
| - Compared with occupational PA, leisure time and commuting PA demonstrate a much clearer association with health outcomes. Therefore, we recommend to make a substantiated decision to include or exclude occupational PA in the PA measure you want to use, since PA in the various domains seem to represent different kinds of activity with differential health effects.\\ | - Compared with occupational PA, leisure time and commuting PA demonstrate a much clearer association with health outcomes. Therefore, we recommend to make a substantiated decision to include or exclude occupational PA in the PA measure you want to use, since PA in the various domains seem to represent different kinds of activity with differential health effects.\\ | ||
| + | \\ | ||
| In the end, it was decided to make the following adjustments to the syntax of Wendel-Vos et al. (2004): | In the end, it was decided to make the following adjustments to the syntax of Wendel-Vos et al. (2004): | ||
| * Change the MET value for cycling to 5.0 | * Change the MET value for cycling to 5.0 | ||
| * Exclusion of age correction | * Exclusion of age correction | ||
| Additionally, it was decided to release the composed variables only. And have the variables necessary to get to the result available on request only. As these variables require some understanding of the SQUASH (e.g. consideration of plausibility/correctness of the light physical activity category).\\ | Additionally, it was decided to release the composed variables only. And have the variables necessary to get to the result available on request only. As these variables require some understanding of the SQUASH (e.g. consideration of plausibility/correctness of the light physical activity category).\\ | ||
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| - | == | + | ====== Variables ====== |
| - | ==== Variables ====== | + | | **Label English** | **Label Dutch** | **Code** | **Variable** | **Assessment** | **Age** | |
| - | | **Questions English** | **Questions Dutch** | **Code** | **Variable** | **Assessment** | **Age** | | + | | moderate intensity, activity score (version 2) | matig intensief, activiteitenscore (versie 2) | m_scor_v2 | squashsum_activityscore_adu_c_2_b | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | moderate-to-vigorous physical activity, total minutes per week (new version 2) | matig tot zwaar inspannend fysieke activiteit, totaal minuten per week (nieuw versie 2) | MVPA_mwk | squashsum_minperweek_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | | + | | vigorous intensity, activity score (version 2) | zwaar intensief, activiteitenscore (versie 2) | z_scor_v2 | squashsum_activityscore_adu_c_2_c | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | moderate-to-vigorous physical activity,activity score (new version 2) | matig tot zwaar inspannend fysieke activiteit, activiteitenscore (nieuw versie 2) | MVPA_scor | squashsum_activityscore_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | | + | | moderate intensity, minutes per week (version 2) | matig intensief, minuten per week (versie 2) | m_mwk_v2 | squashsum_minperweek_adu_c_2_b | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | moderate intensity, minutes per week (version 2) | matig intensief, minuten per week (versie 2) | m_mwk_v2 | squashsum_minperweek_adu_c_1_b | [[1A Questionnaire 2|1A2]] | 18+ | | + | | vigorous intensity, minutes per week (version 2) | zwaar intensief, minuten per week (versie 2) | z_mwk_v2 | squashsum_minperweek_adu_c_2_c | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | moderate intensity, activity score (version 2) | matig intensief, activiteitenscore (versie 2) | m_scor_v2 | squashsum_activityscore_adu_c_1_b | [[1A Questionnaire 2|1A2]] | 18+ | | + | | complete questionnaire missing | hele vragenlijst niet ingevuld | totmis | squashsum_missing_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | vigorous intensity, minutes per week (version 2) | zwaar intensief, minuten per week (versie 2) | z_mwk_v2 | squashsum_minperweek_adu_c_1_c | [[1A Questionnaire 2|1A2]] | 18+ | | + | | commuting: missing (version 2) | woonwerk: niet ingevuld (versie 2) | wwmis_v2 | squashsum_missing_adu_c_2_a | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | vigorous intensity, activity score (version 2) | zwaar intensief, activiteitenscore (versie 2) | z_scor_v2 | squashsum_activityscore_adu_c_1_c | [[1A Questionnaire 2|1A2]] | 18+ | | + | | household activities: missing (version 2) | huishouden: niet ingevuld (versie 2) | hhmis_v2 | squashsum_missing_adu_c_2_b | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | identifier of complete and reliable squash questionnaire | identificatie van een volledige en betrouwbare squash vragenlijst | squash_com_rel | squashsum_reliability_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | | + | | leisure time: missing (version 2) | vrije tijd: niet ingevuld (versie 2) | vtmis_v2 | squashsum_missing_adu_c_2_c | [[1A Questionnaire 2|1A2]] | 18+ | |
| - | | complete questionnaire missing | hele vragenlijst niet ingevuld | totmis | squash_missing_adu_c_01 | [[1A Questionnaire 2|1A2]] | 18+ | | + | | work: missing (version 2) | werk: niet ingevuld (versie 2) | werkmis_v2 | squashsum_missing_adu_c_2_d | [[1A Questionnaire 2|1A2]] | 18+ | |
| + | | moderate-to-vigorous physical activity, total minutes per week (new version 2) | matig tot zwaar inspannend fysieke activiteit, totaal minuten per week (nieuw versie 2) | mvpa_mwk | squashsum_mvpaduration_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | | ||
| + | | moderate-to-vigorous physical activity,activity score (new version 2) | matig tot zwaar inspannend fysieke activiteit, activiteitenscore (nieuw versie 2) | mvpa_scor | squashsum_mvpascore_adu_c_1 | [[1A Questionnaire 2|1A2]] | 18+ | | ||
| + | | identifier of complete and reliable squash questionnaire | identificatie van een volledige en betrouwbare squash vragenlijst | squash_com_rel | squashsum_reliability_adu_c_2 | [[1A Questionnaire 2|1A2]] | 18+ | | ||
squash_sum_scores.1622807838.txt.gz · Last modified: 2025/02/05 14:49 (external edit)
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