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. 2011 Jul 1;5(4):906-14.
doi: 10.1177/193229681100500413.

The Indian Council of Medical Research-India Diabetes (ICMR-INDIAB) study: methodological details

Ranjit Mohan Anjana  1 , Rajendra Pradeepa, Mohan Deepa, Manjula Datta, Vasudevan Sudha, Ranjit Unnikrishnan, Lalith M Nath, Ashok Kumar Das, Sri Venkata Madhu, Paturi Vishnupriya Rao, Deepak Kumar Shukla, Tanvir Kaur, Mohammed K Ali, Viswanathan Mohan
Affiliations

The Indian Council of Medical Research-India Diabetes (ICMR-INDIAB) study: methodological details

Ranjit Mohan Anjana et al. J Diabetes Sci Technol. .

Abstract

Background: Currently available estimates of diabetes prevalence in India are based on published data derived from very few studies. The Indian Council of Medical Research-India Diabetes (ICMR-INDIAB) study is a community-based survey conceived with the aim of obtaining the prevalence rates of diabetes in India as a whole, covering all 28 states, the National Capital Territory of Delhi, and two of the union territories in the mainland of India, with a total sample size of 124,000 individuals.

Methods: A stratified multistage sampling design has been used. In all study subjects, a structured questionnaire was administered and anthropometric parameters and blood pressure were measured. Fasting capillary blood glucose was first determined using a glucose meter. An oral glucose load was then administered to all subjects except those with self-reported diabetes, and the 2 h post-load capillary blood glucose was estimated. In every fifth subject, a fasting venous sample was collected for measurement of lipids and creatinine, a resting 12-lead electrocardiogram was performed, and dietary assessment questionnaire was administered. In all diabetic subjects, an additional diabetes questionnaire was used and a fasting venous sample drawn for glycated hemoglobin.

Results: All biological samples collected were analyzed in a central laboratory. All data collected were stored electronically. Quality control was achieved through multiple tiers of checks.

Conclusions: The ICMR-INDIAB study is the first of its kind attempting to provide accurate and comprehensive state- and national-level data on diabetes prevalence in India.

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Figures

Figure 1
Figure 1
ICMR–INDIAB study sampling strategy.
Figure 2
Figure 2
Phases of the ICMR–INDIAB study.
Figure 3
Figure 3
ICMR–INDIAB sampling design.
Figure 4
Figure 4
ICMR–INDIAB sampling framework in rural areas. PPS, probability-proportional-to-size.
Figure 5
Figure 5
ICMR–INDIAB sampling framework in urban areas. PPS, probability-proportional-to-size.
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Comment in

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