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Table 5 Results of the scoping review

From: Cross-national comparisons of health indicators require standardized definitions and common data sources

Outcome

Study:

Study aims:

Results:

Obesity

Maukonen et al., 2018 [21]

Target group: adults

Comparison: self-reported vs. measured

Type of study: review of 62 studies

Self-reported in comparison to measured:

• height was overestimated

• weight was underestimated

• BMI was underestimated

• prevalence of overweight was underestimated from 1.8%-points to 9.8%-points

• prevalence of obesity was underestimated from 0.7%-points to 13.4%-points

Bias was greater among overweight and obese persons in comparison to normal weight persons.

Luke et al., 2017 [25]

Target group: adults

Comparison: measured vs. medical records

Type of study: cross-sectional comparison

Measured in comparison to medical records

• obesity rate was underestimated

Of the 16 different obesity class, ethnicity, and sex strata compared between EHR and NHANES patients, 14 (87.5%) included similar obesity estimates (i.e., overlapping 95% CIs).

Yun et al., 2006 [23]

Target group: self-reported vs. measured

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• prevalence of overweight was underestimated

• prevalence of obesity was underestimated

Underestimation was prevalent across different gender, race, age and education groups

Paccaud et al., 2001 [24]

Target group: adults

Comparison: measured vs.self-reported

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• weight was underestimated

• height was overestimated

• BMI was underestimated

• prevalence of obesity was underestimated

The differences larger for women than for men.

Hypertension

Atwood et al., 2013 [29]

Target group: adults

Comparison: self-reported vs measured or electronic health records (HER)

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• prevalence of hypertension was slightly underestimated

Self-reported in comparison to electronic health records (HER):

• prevalence of hypertension was underestimated

Measured in comparison to electronic health records (EHR):

• prevalence of hypertension was slightly underestimated

Goncalves et al., 2018 [27]

Target group: adults

Comparison: self-reported hypertension (HTN) vs. clinical diagnosis

Type of study: a systematic review and meta-analysis of 22 studies

Self-reported in comparison to medical diagnoses:

• In most studies prevalence on hypertension was underestimated

Peng et al.; 2016 [30]

Target group: adults

Comparison: measured vs. medical record

Type of study: cross-sectional comparison

Measured in comparison to medical records:

• prevalence of hypertension was overestimated

Frank, 2016 [31]

Target group: adults

Comparison: self-reported vs. measured or medical records

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• prevalence of hypertension was underestimated

Self-reported in comparison to medical records:

• prevalence of hypertension was underestimated

Measured in comparison to medical records:

• prevalence of hypertension was similar

Diabetes

Aguilar-Palacio et al., 2014 [37]

Target group: adults

Comparison: self-reported vs. electronic medical records (EMR)

Type of study: cross-sectional comparison

Self-reported in comparison with electronic medical records:

• prevalence of diabetes was overestimated

Asthma

Mukherjee et al., 2016 [38]

Target group: General population, all ages

Comparison: self-reported vs. medical records

Type of study: cross-sectional comparison

Self-reported in comparison to medical records:

• Prevalence of asthma was overestimated

Huzel et al., 2002 [39]

Target group: adults

Comparison: self-reported vs. medical records

Type of study: cross-sectional comparison

Self-reported in comparison to medical records:

• Prevalence of asthma attack in past 12 months was overestimated

Obesity, Hypertension, Diabetes

Zellweger et al., 2014 [33]

Target group: adolescents, adults and elderly

Comparison: self-reported vs. measurement or electronic health record

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• prevalence of obesity was overestimated

• prevalence of hypertension was overestimated

• prevalence of diabetes was similar

Self-reported in comparison to medical records:

• prevalence of obesity was similar

• prevalence of hypertension was overestimated

• prevalence of diabetes was similar

Measured in comparison to medical records:

• prevalence of obesity was overestimated

• prevalence of hypertension was overestimated

• prevalence of diabetes was similar

Schenker et al., 2010 [22]

Target group: adults

Comparison: self-reported vs. measured

Type of study: cross-sectional comparison

Self-reported in comparison to measured:

• prevalence of obesity was underestimated

• prevalence of hypertension was underestimated

• prevalence of diabetes was slightly underestimated

Diabetes, Hypertension, Asthma

Lujic et al., 2017 [35]

Target group: adults

Comparison: self-report vs. medical records

Type of study: cross-sectional comparison

Self-reported in comparison to medical records:

• Prevalence of hypertension was overestimated

• Prevalence of diabetes was overestimated

• Prevalence of asthma was overestimated

Violán et al., 2013 [32]

Target group: adults

Comparison: self-reported vs. electronic health records (EHR)

Type of study: cross-sectional comparison

Self-reported in comparison to electronic medical records:

• prevalence of hypertension was slightly underestimated

• prevalence of diabetes was underestimated

• prevalence of asthma was overestimated

Diabestes, Hypertension

Paalanen et al., 2018 [26]

Target group: adults

Comparison: self-reported vs. measured or medical records (MRs)

Type of study: a literature review of 30 studies

Self-reported in comparison to measured:

• prevalence of hypertension was underestimated from −15.9%-points to + 3.9%-points

• prevalence of diabetes was underestimated from −2.9%-points to + 0.9%-points

Self-reported in comparison to medical records:

• prevalence of hypertension was underestimated from − 14.9%-points to + 19.7%-points

• prevalence of diabetes was underestimated from − 3.0%-points to + 0.9%-points

Robinson et al., 1997 [36]

Target group: adults

Comparison: self-reported vs. medical records

Type of study: cross-sectional comparison

Self-reported in comparison to medical records:

• prevalence of hypertension was overestimated

• prevalence of diabetes was underestimated

Barber et al., 2010 [34]

Target group: adults

Comparison: self-report vs. medical records

Type of study: cross-sectional comparison

Self-reported in comparison to medical records:

• prevalence of hypertension was overestimated

• prevalence of diabetes was similar

Diabetes, Asthma

Berete et al., 2020 [45]: Comparing health insurance data and health interview survey data for ascertaining chronic disease prevalence in Belgium. Arch Public Health 78:120. doi: https://doi.org/10.1186/s13690-020-00500-4

Target group: adolescents and adults

Comparison: self-reported vs. insurance data

Type of study: cross-sectional comparison

Self-reported in comparison to insurance data:

• prevalence of diabetes was similar

• prevalence of asthma was overestimated