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Comparing Prevalence Estimates From Population-Based Surveys to Inform Surveillance Using Electronic Health Records

Comparing Prevalence Estimates From Population-Based Surveys to Inform Surveillance Using Electronic Health Records

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Figure.
Prevalence estimates with 90% confidence intervals computed by using 3 TOST margins: ±2.5 percentage points (short dashed lines), ±5.0 percentage points (long dashed lines), and ±7.5 percentage points (medium-dashed lines). Health indicators are ordered in magnitude of prevalence in NYC HANES. Abbreviations: CHS, Community Health Survey; NYC HANES, New York City Health and Nutrition Examination Survey; TOST, two one-sided t test.

Health Indicator, by Prevalence Range Percentage-Point Difference (90% Confidence Interval) in Prevalence (CHS – NYC HANES)
Prevalence >40%
Overweight/obesity −8.60 (−11.47 to −5.66)
Influenza vaccination −0.40 (−3.73 to 3.01)
Hyperlipidemia 0.90 (−3.17 to 5.00)
Prevalence 20%–40%
Hypertension −0.90 (−3.78 to 1.97)
Obesity −6.50 (−9.26 to −3.81)
Prevalence 10%–19%
Current smoking −2.80 (−5.47 to −0.21)
Depression 1.20 (−1.05 to 3.48)
Diabetes −0.10 (−2.02 to 1.83)
Prevalence <10%
Extreme obesity −1.60 (−2.95 to −0.27)
Serious psychological distress 0.50 (−0.90 to 1.88)

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