Health is universally regarded as an important index of human development. Improvements in health would translate into higher incomes, higher economic growth and accelerated declines of poverty. Without understanding the factors which play an important role in health care utilization, efforts to promote demand for health care will not offer a pragmatic solution. Increasing utilization of health services is the prime goal for many developing countries. In this study, potential biases are controlled by an advanced statistical technique. The results of this study can provide unbiased estimates...