A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above
Purpose Studies on the effect of Ramadan diurnal intermittent fasting (RDIF) on body weight have yielded conflicting results. Therefore, we conducted a systematic review and meta-analysis to estimate the effect size of body weight changes in healthy, non-athletic Muslims practicing Ramadan fasting,...
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| Veröffentlicht in: | European journal of nutrition 2020-09, Vol.59 (6), p.2291-2316 |
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| creator | Jahrami, Haitham A. Alsibai, Joud Clark, Cain C. T. Faris, Mo’ez Al-Islam E. |
| description | Purpose
Studies on the effect of Ramadan diurnal intermittent fasting (RDIF) on body weight have yielded conflicting results. Therefore, we conducted a systematic review and meta-analysis to estimate the effect size of body weight changes in healthy, non-athletic Muslims practicing Ramadan fasting, and to assess the effect of covariates such as age, sex, fasting time duration, season, and country, using subgroup analysis, and meta-regression. Covariate adjustments were performed to explain the variability of weight change in response to Ramadan fasting.
Methods
CINAHL, Cochrane, EBSCOhost, EMBASE, Google Scholar, ProQuest Medical, PubMed/MEDLINE, ScienceDirect, Scopus, and Web of Science databases were searched from date of inception in 1950 to the end of August 2019.
Results
Eighty-five studies, conducted in 25 countries during 1982–2019, were identified. RDIF yielded a significant, but small reduction in body weight (
K
= 85, number of subjects,
N
= 4176 (aged 16–80 years), Hedges’ g =− 0.360, 95% confidence interval (CI) − 0.405 to − 0.315,
I
2
= 45.6%), this effect size translates into difference in means of − 1.022 kg (95% CI − 1.164 kg to − 0.880 kg). Regression analysis for moderator covariates revealed that fasting time (min/day) is a significant (
P
|
| doi_str_mv | 10.1007/s00394-020-02216-1 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_2376233415</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2431122835</sourcerecordid><originalsourceid>FETCH-LOGICAL-c419t-588eea578bc71ee175f5c80370271ee6109a61b72a31094da1544118c137cab93</originalsourceid><addsrcrecordid>eNp9kc9u1DAQxiMEoqXwAhyQJS4cGvDYSZw9VhUFpEpICM7RxJnsepU_i8dplbfpI_AMPFmdTSkSBw7WzNi_b8aaL0leg3wPUpoPLKXeZKlUMh4FRQpPklPIdJEWCvKnj7k0J8kL5r2UUukCnicnOr4bXZSnya8LwTMH6jE4KzzdOLo9Fz0FTHHAbmbH5wKHZr3ytPXE7MZBjK0IOxKuP6ANS9W4yUeFcEMg37sQaAiiRQ5u2Ipm8kv4hj02GMWDqMdmFrfktrsQJWJH2IXdLHiq92QDC9xSI6D4fTcTej5-Aevxhl4mz1rsmF49xLPkx9XH75ef0-uvn75cXlynNoNNSPOyJMLclLU1QAQmb3NbSm2kWuoC5AYLqI1CHdOsQcizDKC0oI3FeqPPkndr34Mff07EoeodW-o6HGicuFLaFErrDPKIvv0H3Y_HXUQq0wBKlXqh1EpZPzJ7aquDdz36uQJZLX5Wq59V9LM6-llBFL15aD3VPTWPkj8GRkCvAB-WDZP_O_s_be8B9qutEQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2431122835</pqid></control><display><type>article</type><title>A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above</title><source>SpringerLink Journals - AutoHoldings</source><creator>Jahrami, Haitham A. ; Alsibai, Joud ; Clark, Cain C. T. ; Faris, Mo’ez Al-Islam E.</creator><creatorcontrib>Jahrami, Haitham A. ; Alsibai, Joud ; Clark, Cain C. T. ; Faris, Mo’ez Al-Islam E.</creatorcontrib><description>Purpose
Studies on the effect of Ramadan diurnal intermittent fasting (RDIF) on body weight have yielded conflicting results. Therefore, we conducted a systematic review and meta-analysis to estimate the effect size of body weight changes in healthy, non-athletic Muslims practicing Ramadan fasting, and to assess the effect of covariates such as age, sex, fasting time duration, season, and country, using subgroup analysis, and meta-regression. Covariate adjustments were performed to explain the variability of weight change in response to Ramadan fasting.
Methods
CINAHL, Cochrane, EBSCOhost, EMBASE, Google Scholar, ProQuest Medical, PubMed/MEDLINE, ScienceDirect, Scopus, and Web of Science databases were searched from date of inception in 1950 to the end of August 2019.
Results
Eighty-five studies, conducted in 25 countries during 1982–2019, were identified. RDIF yielded a significant, but small reduction in body weight (
K
= 85, number of subjects,
N
= 4176 (aged 16–80 years), Hedges’ g =− 0.360, 95% confidence interval (CI) − 0.405 to − 0.315,
I
2
= 45.6%), this effect size translates into difference in means of − 1.022 kg (95% CI − 1.164 kg to − 0.880 kg). Regression analysis for moderator covariates revealed that fasting time (min/day) is a significant (
P
< 0.05) moderator for weight change at the end of Ramadan, while age and sex are not. Variable effects for the season and country were found.
Conclusion
RDIF may confer a significant small reduction in body weight in non-athletic healthy people aged 16 years and above, directly associated with fasting time and variably correlated with the season, and country.</description><identifier>ISSN: 1436-6207</identifier><identifier>EISSN: 1436-6215</identifier><identifier>DOI: 10.1007/s00394-020-02216-1</identifier><identifier>PMID: 32157368</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Body size ; Body weight ; Chemistry ; Chemistry and Materials Science ; Diurnal ; Fasting ; Meta-analysis ; Nutrition ; Obesity ; Ramadan ; Review ; Systematic review</subject><ispartof>European journal of nutrition, 2020-09, Vol.59 (6), p.2291-2316</ispartof><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020</rights><rights>Springer-Verlag GmbH Germany, part of Springer Nature 2020.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-588eea578bc71ee175f5c80370271ee6109a61b72a31094da1544118c137cab93</citedby><cites>FETCH-LOGICAL-c419t-588eea578bc71ee175f5c80370271ee6109a61b72a31094da1544118c137cab93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00394-020-02216-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00394-020-02216-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/32157368$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Jahrami, Haitham A.</creatorcontrib><creatorcontrib>Alsibai, Joud</creatorcontrib><creatorcontrib>Clark, Cain C. T.</creatorcontrib><creatorcontrib>Faris, Mo’ez Al-Islam E.</creatorcontrib><title>A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above</title><title>European journal of nutrition</title><addtitle>Eur J Nutr</addtitle><addtitle>Eur J Nutr</addtitle><description>Purpose
Studies on the effect of Ramadan diurnal intermittent fasting (RDIF) on body weight have yielded conflicting results. Therefore, we conducted a systematic review and meta-analysis to estimate the effect size of body weight changes in healthy, non-athletic Muslims practicing Ramadan fasting, and to assess the effect of covariates such as age, sex, fasting time duration, season, and country, using subgroup analysis, and meta-regression. Covariate adjustments were performed to explain the variability of weight change in response to Ramadan fasting.
Methods
CINAHL, Cochrane, EBSCOhost, EMBASE, Google Scholar, ProQuest Medical, PubMed/MEDLINE, ScienceDirect, Scopus, and Web of Science databases were searched from date of inception in 1950 to the end of August 2019.
Results
Eighty-five studies, conducted in 25 countries during 1982–2019, were identified. RDIF yielded a significant, but small reduction in body weight (
K
= 85, number of subjects,
N
= 4176 (aged 16–80 years), Hedges’ g =− 0.360, 95% confidence interval (CI) − 0.405 to − 0.315,
I
2
= 45.6%), this effect size translates into difference in means of − 1.022 kg (95% CI − 1.164 kg to − 0.880 kg). Regression analysis for moderator covariates revealed that fasting time (min/day) is a significant (
P
< 0.05) moderator for weight change at the end of Ramadan, while age and sex are not. Variable effects for the season and country were found.
Conclusion
RDIF may confer a significant small reduction in body weight in non-athletic healthy people aged 16 years and above, directly associated with fasting time and variably correlated with the season, and country.</description><subject>Body size</subject><subject>Body weight</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Diurnal</subject><subject>Fasting</subject><subject>Meta-analysis</subject><subject>Nutrition</subject><subject>Obesity</subject><subject>Ramadan</subject><subject>Review</subject><subject>Systematic review</subject><issn>1436-6207</issn><issn>1436-6215</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNp9kc9u1DAQxiMEoqXwAhyQJS4cGvDYSZw9VhUFpEpICM7RxJnsepU_i8dplbfpI_AMPFmdTSkSBw7WzNi_b8aaL0leg3wPUpoPLKXeZKlUMh4FRQpPklPIdJEWCvKnj7k0J8kL5r2UUukCnicnOr4bXZSnya8LwTMH6jE4KzzdOLo9Fz0FTHHAbmbH5wKHZr3ytPXE7MZBjK0IOxKuP6ANS9W4yUeFcEMg37sQaAiiRQ5u2Ipm8kv4hj02GMWDqMdmFrfktrsQJWJH2IXdLHiq92QDC9xSI6D4fTcTej5-Aevxhl4mz1rsmF49xLPkx9XH75ef0-uvn75cXlynNoNNSPOyJMLclLU1QAQmb3NbSm2kWuoC5AYLqI1CHdOsQcizDKC0oI3FeqPPkndr34Mff07EoeodW-o6HGicuFLaFErrDPKIvv0H3Y_HXUQq0wBKlXqh1EpZPzJ7aquDdz36uQJZLX5Wq59V9LM6-llBFL15aD3VPTWPkj8GRkCvAB-WDZP_O_s_be8B9qutEQ</recordid><startdate>20200901</startdate><enddate>20200901</enddate><creator>Jahrami, Haitham A.</creator><creator>Alsibai, Joud</creator><creator>Clark, Cain C. T.</creator><creator>Faris, Mo’ez Al-Islam E.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QP</scope><scope>7RQ</scope><scope>7RV</scope><scope>7TS</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9-</scope><scope>K9.</scope><scope>KB0</scope><scope>M0R</scope><scope>M0S</scope><scope>M1P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20200901</creationdate><title>A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above</title><author>Jahrami, Haitham A. ; Alsibai, Joud ; Clark, Cain C. T. ; Faris, Mo’ez Al-Islam E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-588eea578bc71ee175f5c80370271ee6109a61b72a31094da1544118c137cab93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Body size</topic><topic>Body weight</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Diurnal</topic><topic>Fasting</topic><topic>Meta-analysis</topic><topic>Nutrition</topic><topic>Obesity</topic><topic>Ramadan</topic><topic>Review</topic><topic>Systematic review</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Jahrami, Haitham A.</creatorcontrib><creatorcontrib>Alsibai, Joud</creatorcontrib><creatorcontrib>Clark, Cain C. T.</creatorcontrib><creatorcontrib>Faris, Mo’ez Al-Islam E.</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Career & Technical Education Database</collection><collection>Nursing & Allied Health Database</collection><collection>Physical Education Index</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>Consumer Health Database (Alumni Edition)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Consumer Health Database</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>European journal of nutrition</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Jahrami, Haitham A.</au><au>Alsibai, Joud</au><au>Clark, Cain C. T.</au><au>Faris, Mo’ez Al-Islam E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above</atitle><jtitle>European journal of nutrition</jtitle><stitle>Eur J Nutr</stitle><addtitle>Eur J Nutr</addtitle><date>2020-09-01</date><risdate>2020</risdate><volume>59</volume><issue>6</issue><spage>2291</spage><epage>2316</epage><pages>2291-2316</pages><issn>1436-6207</issn><eissn>1436-6215</eissn><abstract>Purpose
Studies on the effect of Ramadan diurnal intermittent fasting (RDIF) on body weight have yielded conflicting results. Therefore, we conducted a systematic review and meta-analysis to estimate the effect size of body weight changes in healthy, non-athletic Muslims practicing Ramadan fasting, and to assess the effect of covariates such as age, sex, fasting time duration, season, and country, using subgroup analysis, and meta-regression. Covariate adjustments were performed to explain the variability of weight change in response to Ramadan fasting.
Methods
CINAHL, Cochrane, EBSCOhost, EMBASE, Google Scholar, ProQuest Medical, PubMed/MEDLINE, ScienceDirect, Scopus, and Web of Science databases were searched from date of inception in 1950 to the end of August 2019.
Results
Eighty-five studies, conducted in 25 countries during 1982–2019, were identified. RDIF yielded a significant, but small reduction in body weight (
K
= 85, number of subjects,
N
= 4176 (aged 16–80 years), Hedges’ g =− 0.360, 95% confidence interval (CI) − 0.405 to − 0.315,
I
2
= 45.6%), this effect size translates into difference in means of − 1.022 kg (95% CI − 1.164 kg to − 0.880 kg). Regression analysis for moderator covariates revealed that fasting time (min/day) is a significant (
P
< 0.05) moderator for weight change at the end of Ramadan, while age and sex are not. Variable effects for the season and country were found.
Conclusion
RDIF may confer a significant small reduction in body weight in non-athletic healthy people aged 16 years and above, directly associated with fasting time and variably correlated with the season, and country.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>32157368</pmid><doi>10.1007/s00394-020-02216-1</doi><tpages>26</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | European journal of nutrition, 2020-09, Vol.59 (6), p.2291-2316 |
| issn | 1436-6207 1436-6215 |
| language | eng |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Body size Body weight Chemistry Chemistry and Materials Science Diurnal Fasting Meta-analysis Nutrition Obesity Ramadan Review Systematic review |
| title | A systematic review, meta-analysis, and meta-regression of the impact of diurnal intermittent fasting during Ramadan on body weight in healthy subjects aged 16 years and above |
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