EMPOWER includes 4 weekly home visit and 4 follow up booster phone calls every other week for the following 8 weeks. The trained nurse interventionist will address identified adherence barriers related to knowledge deficits about heart failure and its treatment including psycho-social barriers and logistic barriers with their primary care physician if necessary.

Adherence will be calculated either by manual pill counting or by the Medication Event Monitoring System, a microelectronic monitoring device on the cap of medication containers.

Adherence will be calculated either by manual pill counting or by the Medication Event Monitoring System, a microelectronic monitoring device on the cap of medication containers.

Adherence to low sodium diet will be assessed by the Dietary Sodium Restriction Questionnaire (DSRQ). The DSRQ is composed of 3 subscales: 1) attitude toward the behavior, 2) subjective norm, and 3) perceived behavioral control.

Attitude. There are 6 items in the Attitude subscale. The scores on this subscale ranged from 6 to 30, where a higher score indicates correct attitudes (better knowledge) about following a low-sodium diet.

Subjective norm. There are 3 items in the Subjective Norm subscale. The scores on this subscale ranged from 3 to 15, where a higher score indicates heavier influence of subjective norm of social contacts on one's adherence to low-sodium diet.

Perceived behavioral control. There are 7 items in the Perceived Behavioral Control subscale. The scores on this subscale ranged from 7 to 35, a higher score indicates a higher likelihood for each item to be a barrier in adherence to low-sodium diet.

Adherence to low sodium diet will be assessed by the Dietary Sodium Restriction Questionnaire (DSRQ). The DSRQ is composed of 3 subscales: 1) attitude toward the behavior, 2) subjective norm, and 3) perceived behavioral control.

Attitude. There are 6 items in the Attitude subscale. The scores on this subscale ranged from 6 to 30, where a higher score indicates correct attitudes (better knowledge) about following a low-sodium diet.

Subjective norm. There are 3 items in the Subjective Norm subscale. The scores on this subscale ranged from 3 to 15, where a higher score indicates heavier influence of subjective norm of social contacts on one's adherence to low-sodium diet.

Perceived behavioral control. There are 7 items in the Perceived Behavioral Control subscale. The scores on this subscale ranged from 7 to 35, a higher score indicates a higher likelihood for each item to be a barrier in adherence to low-sodium diet.