Relationship between outpatient visit frequency and hypertension control: A 9-year occupational cohort study

Azusa Shima, Yukako Tatsumi, Tatsuro Ishizaki, Kayo Godai, Yuichiro Kawatsu, Tomonori Okamura, Tomofumi Nishikawa, Akiko Morimoto, Ayumi Morino, Naomi Miyamatsu

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

The purpose of this study was to investigate the relationship between the frequency of outpatient visits and hypertension control as determined from health insurance records. This 9-year cohort study in Japan was based on 518 participants with hypertension who underwent health checkups in 2004. Participants were aged 35-56 years and none had a history of cardiovascular or cerebrovascular disease. All were covered by the same employee health insurer. Mean annual outpatient visit days at a hospital/clinic during the 9-year period were classified within four quartiles (Q1, Q2, Q3, Q4). Uncontrolled hypertension was defined as a systolic blood pressure (BP) ≥140 mm Hg and a diastolic BP ≥90 mm Hg. Logistic regression analysis was used to estimate the multivariable-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for the prevalence of uncontrolled hypertension in groups Q1, Q2 and Q3 vs. Q4. The median (25th-75th percentile) annual outpatient visit days was 9.4 (4.0-15.5). Uncontrolled hypertension was observed in 62.4% of the participants in 2013. The multivariable-adjusted ORs and 95% CIs for uncontrolled hypertension in Q1, Q2 and Q3 vs. Q4 were 4.03 (2.28-7.12), 1.67 (0.99-2.81) and 1.44 (0.86-2.41), respectively. Uncontrolled hypertension increased significantly as the number of outpatient visits decreased (P for trend <0.001). This tendency was maintained when participants taking antihypertensive agents at baseline were excluded. Our study showed an inverse relationship between outpatient visit frequency and uncontrolled hypertension.

Original languageEnglish
Pages (from-to)376-381
Number of pages6
JournalHypertension Research
Volume39
Issue number5
DOIs
Publication statusPublished - 2016 May 1

Keywords

  • health checkup
  • health insurance
  • hypertension control
  • outpatient visit frequency

ASJC Scopus subject areas

  • Internal Medicine
  • Physiology
  • Cardiology and Cardiovascular Medicine

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