A district with population 5,00,000 reports 150 deaths, 200 new TB cases, and 12,000 births in one year. What is the crude birth rate?

• A 2.4 per 1000 population
• B 0.4 per 1000 population
• C 24 per 1000 population ✓
• D 12 per 1000 population

Explanation

Crude Birth Rate (CBR) = (Number of live births / Mid-year population) × 1000 = (12,000 / 5,00,000) × 1000 = 0.024 × 1000 = 24 per 1000. CBR is the simplest fertility measure and includes all live births regardless of age of mother. India's current CBR is approximately 19–20 per 1000, so 24 per 1000 reflects a moderately high-fertility district.

Reference: Park's Textbook of Preventive and Social Medicine, 27th ed.

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