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Table 3 Prevalence ratios (PR) and corresponding 95% confidence intervals (95CI) of self-reported, objectively measured and MIME-corrected hypertension by sex, age group and educational level in INS2014 and INSEF

From: Combining self-reported and objectively measured survey data to improve hypertension prevalence estimates: Portuguese experience

  INSEF,
self-reported PR[95CI]
INS2014,
self-reported PR[95CI]
INSEF,
objectively measured PR[95CI]
INS2014,
MIME-corrected PR[95CI]
Sex
 Female ref ref ref ref
 Male 1.0 [0.8, 1.1] 0.8 [0.7, 0.9] 1.2 [1.1, 1.4] 1.1 [1.0, 1.3]
Age group
 25–44 years ref ref ref ref
 45–54 years 3.3 [2.4, 4.6] 3.2 [2.7, 3.9] 3.0 [2.4, 3.7] 2.9 [2.3, 3.6]
 55–64 years 7.9 [5.7, 10.9] 5.7 [4.8, 6.7] 4.8 [3.8, 6.1] 4.0 [3.3, 5.0]
 65–74 years 9.8 [6.9, 14.0] 7.7 [6.6, 9.1] 5.9 [4.9, 7.2] 5.2 [4.3, 6.4]
Educational level
 ISCED 2011 levels 0–1 4.0 [3.0, 5.3] 3.8 [3.2, 4.6] 3.6 [3.0, 4.3] 3.5 [2.8, 4.3]
 ISCED 2011 level 2 1.8 [1.3, 2.4] 1.8 [1.4, 2.2] 1.9 [1.5, 2.5] 1.9 [1.5, 2.5]
 ISCED 2011 levels 3–4 1.4 [1.0, 2.0] 1.3 [1.0, 1.6] 1.6 [1.3, 1.9] 1.4 [1.1, 1.8]
 ISCED 2011 levels 5–8 ref ref ref ref
  1. INSEF – Portuguese Health Examination Survey, INS2014 – National Health Interview Survey 2014, MIME – Misclassification error correction