برنامه‌ی قلب سالم اصفهان: حجم نمونه و ساختارهای نمونه‌گیری

نوع مقاله : مقاله های پژوهشی

نویسندگان

1 کارشناس ارشد، مرکز تحقیقات قلب و عروق اصفهان، پژوهشکده‌ی قلب و عروق، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

2 دانشیار، گروه آمار زیستی و اپیدمیولوژی، دانشکده‌ی بهداشت و مرکز تحقیقات بازتوانی قلب، پژوهشکده‌ی قلب و عروق، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

3 استاد، مرکز تحقیقات قلب و عروق اصفهان، پژوهشکده‌ی قلب و عروق، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران

چکیده

مقدمه: از راه‌کارهای مهم در پیش‌گیری و کنترل بیماری‌های قلبی- عروقی (CVD یا Cardiovascular diseases)، آموزش از طریق مداخلات در سطح جامعه است. هدف مطالعه‌ی حاضر، تبیین حجم نمونه و ساختار نمونه‌گیری برنامه‌ی قلب سالم اصفهان (IHHP یا Isfahan Healthy Heart Program) به عنوان یک مطالعه‌ی مداخلاتی وسیع جامعه‌نگر، جهت اصلاح شیوه‌ی زندگی و پیش‌گیری و کنترل بیماری‌های قلبی- عروقی و عوامل خطر آن بود.روش‌ها: IHHP شامل چهار گروه هدف بالغین، کارکنان بهداشتی، بیماران قلبی و دانش‌آموزان در شهرستان‌های اصفهان و نجف‌آباد (مورد) و اراک (شاهد) و مشتمل بر سه مرحله‌ی بررسی وضعیت موجود در سال‌های 80-1379، اجرای مداخلات در سال‌های 85-1381 و بررسی وضعیت بعد از مداخله در سال‌های 87-1386 بود. هم‌زمان با اجرای مداخلات، چهار بررسی به منظور ارزیابی تغییرات آگاهی و عملکرد افراد نیز انجام گردید.یافته‌ها: حجم نمونه‌ی مراحل اول و سوم، در بالغین 12514 و 9572 نفر و با روش نمونه‌گیری سهمیه‌ای، طبقه‌ای، خوشه‌ای، تصادفی، متناسب با حجم، سیستماتیک و تصادفی ساده؛ در دانش‌آموزان 1946 و 1992 نفر و با روش نمونه‌گیری سهمیه‌ای، طبقه‌ای، خوشه‌ای، تصادفی، متناسب با حجم، تصادفی ساده؛ در کارکنان بهداشتی 923 و 2015 نفر و در بیماران قلبی 814 و 502 نفر و با روش نمونه‌گیری تصادفی ساده بود. افراد بالای 35 سال، مرحله‌ی اول بالغین برای شرکت در یک مطالعه‌ی طولی 10 ساله به نام مطالعه‌ی Cohort اصفهان جهت بررسی بروز و محاسبه‌ی ارزیابی خطر حوادث بیماری‌های قلبی- عروقی انتخاب و پی‌گیری شدند.نتیجه‌گیری: برنامه‌ی قلب سالم اصفهان از مطالعات مداخلاتی وسیع جامعه‌نگر در ایران به شمار می‌آید و شامل مشترکات زیادی با مطالعات مطرح در سطح دنیا می‌باشد.

کلیدواژه‌ها

عنوان مقاله [English]

Isfahan Healthy Heart Program, Sample Size and Sampling Structure: A Comprehensive Report

نویسندگان [English]

  • Fatemeh Nouri 1
  • Awat Feizi 2
  • Noushin Mohammadifard 1
  • Nizal Sarrafzadegan 3
1 Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
2 Associate Professor, Department of Biostatistics and Epidemiology, School of Health AND Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
3 Professor, Isfahan Cardiovascular Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
چکیده [English]

Background: One of the important strategies for preventing and controlling cardiovascular diseases (CVD) is providing training through interventions at the population. This study aimed to explain the sample size and sampling structure of the Isfahan Healthy Heart Program (IHHP). This program was considered as a comprehensive community-based interventional trial to modify population lifestyle in relation to cardiovascular disease (CVD) and its risk factors prevention and control.Methods: Isfahan Healthy Heart Program (IHHP) addressed four target groups including adults, health professionals, patients with cardiac diseases, and children and adolescents in three districts in Iran including Isfahan and Najaf Abad (intervention) and Arak (reference). It was consisted of three phases: baseline survey in 2000-2001, intervention in 2002-2005 and post-intervention survey in 2006-2007. Four evaluation studies were done during 2002 to 2005 to evaluate knowledge and behaviors improvements.Findings: The sample sizes and sampling methods in the pre- and the post-intervention phases were as followed: 12514 and 9572 and quota, stratified, cluster, random, probability proportionate to size, systemic and simple random in adults; 1946 and 1992 and quotas, stratified, cluster, random, probability proportionate to size, simple random, simple random in adolescents; 923 and 2015 and simple random in health professionals; and also 814 and 502 and simple random in patients with cardiac diseases. We carried out a 10-year longitudinal cohort study entitled the Isfahan Cohort Study on population aged ≥ 35 years starting from the baseline to examine the incidence of cardiovascular disease events and to calculate the risk assessment chart for cardiovascular disease occurrence.Conclusion: Isfahan Healthy Heart Program, as comprehensive community-based interventional trial in Iran, was so similar to the same worldwide.

کلیدواژه‌ها [English]

  • Isfahan Healthy Heart Program
  • Cardiovascular Disease
  • Prevention and Control
  • Sample Size
  • Sampling structure

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مجله دانشکده پزشکی اصفهان
دوره 33، شماره 362 - شماره پیاپی 362
بهمن و اسفند 1394
صفحه 2152-2166

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  • تاریخ دریافت: 21 مرداد 1394
  • تاریخ بازنگری: 30 فروردین 1403
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