This document presents a general overview of the Link method for conducting a Nutrition Causal Analysis (NCA). It is intended to provide a global vision of the method before going through the detailed step by step guidelines.

A spanish version of the overview is available, please conctact us if you would like more information.


This document presents the field-tested Link NCA method for conducting a Nutrition Causal Analysis. It is intended to provide clear and practical step by step guidance to NCA Analysts and technical advisors.

Spanish and french version are also available.

Indicator Guide : Available upon Request

This guide is a compilation of already existing indicators to easily measure the key risk factors of under-nutrition. It includes a list of core indicators that are recommended in every Link NCA, their limitations and further guidance for field teams. This guide is useful for any multi-sectoral NCA survey.

pathways module : Available Upon Request

This module is a scientific review of the causal association between key risk factors and different forms of under-nutrition. For each key risk factor, it provides a list of scientific studies and a short summary. It also includes a conclusion about the prevalence and persistence of the causal relation.

How to use the Link NCA Guidelines, Tools, and other Resources