Publications by authors named "Nawara Nopwattanakorn"
Unlabelled: This cross-sectional study aimed to examine acoustic voice parameters among older Thai individuals in Chiang Mai-a northern Thai province with the third-largest elderly population and significant PM exposure-and to compare these measures between normal and abnormal voice groups within this population.
Method: The study involved 125 Thai elderly with normal voices, who were selected through a multi-stage sampling process and assessed by using the GRBASI scale (Grade, Roughness, Breathiness, Asthenia, Strain, Instability), and 45 elderly Thai individuals with abnormal voices, selected through purposive sampling and diagnosed by an Ear, Nose, and Throat (ENT) doctor or assessed by using the GRBASI scale. Additionally, participants with normal voices underwent a speech discrimination test before voice recording.