How valid are self-reported height and weight? A comparison between CATI self-report and clinic measurements using a large cohort study
OBJECTIVE: To examine the relationship between self-reported and clinical measurements for height and weight in adults aged 18 years and over and to determine the bias associated with using household telephone surveys.
METHOD: A representative population sample of adults aged 18 years and over living in the north-west region of Adelaide (n = 1,537) were recruited to the biomedical cohort study in 2002/03. A computer-assisted telephone interviewing (CATI) system was used to collect self-reported height and weight. Clinical measures were obtained when the cohort study participants attended a clinic for biomedical tests.
RESULT: Adults over-estimated their height (by 1.4 cm) and under-estimated their weight (by 1.7 kg). Using the self-report figures the prevalence of overweight/ obese was 56.0% but this prevalence estimate increased to 65.3% when clinical measurements were used. The discrepancy in self-reported height and weight is partly explained by 1) a rounding effect (rounding height and weight to the nearest 0 or 5) and 2) older persons (65+ years) considerably over-estimating their height.
CONCLUSION: Self-report is important in monitoring overweight and obesity; however, it must be recognised that prevalence estimates obtained are likely to understate the problem.
IMPLICATIONS: The public health focus on obesity is warranted, but self-report estimates, commonly used to highlight the obesity epidemic, are likely to be underestimations. Self-report would be a more reliable measure if people did not round their measurements and if older persons more accurately knew their height.
| Medienart: |
Artikel |
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| Erscheinungsjahr: |
2006 |
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| Erschienen: |
2006 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Australian and New Zealand journal of public health - 30(2006), 3 vom: 01. Juni, Seite 238-46 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Taylor, Anne W [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Completed 16.08.2006 Date Revised 09.04.2022 published: Print Citation Status MEDLINE |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM163748292 |
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| 100 | 1 | |a Taylor, Anne W |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a How valid are self-reported height and weight? A comparison between CATI self-report and clinic measurements using a large cohort study |
| 264 | 1 | |c 2006 | |
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| 500 | |a Date Completed 16.08.2006 | ||
| 500 | |a Date Revised 09.04.2022 | ||
| 500 | |a published: Print | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: To examine the relationship between self-reported and clinical measurements for height and weight in adults aged 18 years and over and to determine the bias associated with using household telephone surveys | ||
| 520 | |a METHOD: A representative population sample of adults aged 18 years and over living in the north-west region of Adelaide (n = 1,537) were recruited to the biomedical cohort study in 2002/03. A computer-assisted telephone interviewing (CATI) system was used to collect self-reported height and weight. Clinical measures were obtained when the cohort study participants attended a clinic for biomedical tests | ||
| 520 | |a RESULT: Adults over-estimated their height (by 1.4 cm) and under-estimated their weight (by 1.7 kg). Using the self-report figures the prevalence of overweight/ obese was 56.0% but this prevalence estimate increased to 65.3% when clinical measurements were used. The discrepancy in self-reported height and weight is partly explained by 1) a rounding effect (rounding height and weight to the nearest 0 or 5) and 2) older persons (65+ years) considerably over-estimating their height | ||
| 520 | |a CONCLUSION: Self-report is important in monitoring overweight and obesity; however, it must be recognised that prevalence estimates obtained are likely to understate the problem | ||
| 520 | |a IMPLICATIONS: The public health focus on obesity is warranted, but self-report estimates, commonly used to highlight the obesity epidemic, are likely to be underestimations. Self-report would be a more reliable measure if people did not round their measurements and if older persons more accurately knew their height | ||
| 650 | 4 | |a Comparative Study | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Validation Study | |
| 700 | 1 | |a Dal Grande, Eleonora |e verfasserin |4 aut | |
| 700 | 1 | |a Gill, Tiffany K |e verfasserin |4 aut | |
| 700 | 1 | |a Chittleborough, Catherine R |e verfasserin |4 aut | |
| 700 | 1 | |a Wilson, David H |e verfasserin |4 aut | |
| 700 | 1 | |a Adams, Robert J |e verfasserin |4 aut | |
| 700 | 1 | |a Grant, Janet F |e verfasserin |4 aut | |
| 700 | 1 | |a Phillips, Patrick |e verfasserin |4 aut | |
| 700 | 1 | |a Appleton, Sarah |e verfasserin |4 aut | |
| 700 | 1 | |a Ruffin, Richard E |e verfasserin |4 aut | |
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