Major issue: What does it mean salt intake reduction? most importantly the author(s) should provide sufficient and clear operational definition for "salt intake reduction". 
-Factors associated with salt intake reduction listed in the result section "not advised about salt reduction" and "not know the daily recommended salt intake". Is it appropriate to ask about salt intake reduction for a person who do not know about the issue. May be assessing salt intake is more relevant than salt intake reduction or provide sufficient description of its definition to improve clarity of measurements used in the study.
-Four out of the six sentences in the method section describes about data analysis issues. please remove irrelevant details of the analysis method.    