Moreover, Huechuan and Guzman (2007) argue that the probability of not having sufficient income and belonging to a poor household increases in old age. In other words, old age entails greater fragility. Nonetheless, as noted in chapter VI, older adults are more vulnerable because they do not form part of the economically active population and would not be able to participate in public employment programmes that require physical strength, such as clearing rubble and constructing public works.