Factors supporting quality of life over time for individuals with amyotrophic lateral sclerosis: the role of positive self-perception and religiosity.

Background: Amyotrophic lateral sclerosis (ALS) is a progressive neuromuscular disease with no known cure. Maintaining quality of life (QOL) as the disease progresses is an important treatment goal.

Purpose: the purpose of this study is to identify factors that support QOL as ALS progresses.