This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'In "poverty lines" the expenditure required for a daily calorie intake of in rural areas – \nSelect and explain. \nA. 2200, B. 2400, C. 2100, D. 2300', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Wealth index\n\nThe "wealth index" is a composite measure of the cumulative living standard of a household.\nThe wealth index is calculated using easy-to-collect data on a household\'s ownership of selected assets, such as televisions and bicycles, materials used for housing construction, and types of water access and sanitation facilities.\nInformation on the wealth index is based on data collected in the household questionnaire.\nAfter collecting data, various statistical procedures are used to create break points that define wealth quintiles as:-\n\n\nLowest (first) quintile\nSecond quintile\nThird quintile\nFourth quintile\nHighest quintile\n\n\nThe distribution of the population across wealth quintiles show large variation across states : -\n\n\nDelhi has maximum population in highest wealth quintile (70% of population).\nJharkhand has maximum population in lowest wealth quintile (49.6% of population).\n\nSocial class and health\n\nThe national family health survey - III (2005-06) conducted in India shows the glaring differences in infant mortality rate among the household belonging to various wealth index brackets →\xa0Infant mortality rate by wealth index in India (2005-06)', 'role': 'assistant'}]