Certainly, here are three variables related to the construct "Sustainability of Healthcare Business" that you can consider for your research:Financial Performance: This variable measures the financial health and sustainability of the healthcare business. You can assess it using variables such as revenue growth, profitability, cost efficiency, and return on investment (ROI).Patient Satisfaction and Retention: This variable evaluates the level of patient satisfaction and their likelihood to continue seeking healthcare services from the same provider. It may include variables related to patient surveys, feedback, and retention rates.Environmental Impact: This variable quantifies the healthcare business's environmental sustainability efforts. It may include variables related to energy efficiency, waste reduction, and environmentally friendly practices within healthcare facilities.These variables cover different dimensions of healthcare business sustainability, including financial, patient-related, and environmental aspects. Measuring these variables will help you assess the overall sustainability of healthcare businesses in your research.