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Results: We demonstrated that having more years of study (OR= 0.537; CI 95%= 0.310–0.931; p= 0.027) and be overweight (OR= 0.661; CI 95%= 0.461–0.948; p= 0.024) or obese (OR= 0.387; CI 95%= 0.246–0.608; p=< 0.001) reduced the chances of users having high interdialytic weight gain. Those who did not have paid work (OR= 2.025; CI 95%= 1.218–3.365; p= 0.007) and not adopting measures to reduce salt increased (OR= 1.694; CI 95%= 1.085–2.645; p= 0.020) increased the chances of interdialytic weight.

Conclusion: The results point to an association between the increase in interdialytic weight gain and the absence of paid work and the non-adoption of measures to reduce salt intake in the diet. Therefore, the need for knowledge about these associated factors can be an important alternative for the individual targeting of this population.