Answers to Question 6a:

The correct answers are highlighted in red:

Types of Illness Wet Areas

Population Illness %
Dry Areas

Population Illness %
O/E Ratio
Birth defects 120 births 24 (20%) 176 births 12 (12%) (2.9%)
Nervous breakdowns 149 adults 13 (7.0%) 510 adults 7 (1.4%) (6.2%)
Urinary disease 314 total 22 (7.0%) 826 total 21 (2.5%) (2.0%)
Asthma 314 total 14 (4.5%) 826 total 11 (1.3%) (3.5%)
Hyperactivity 127 children 11 (8.7%) 316 children 2 (0.6%) (14.5%)
Back to Question 6

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Postgraduate Diploma in Occupational Health (DOH) - Modules 3: Occupational Medicine & Toxicology (Basic) by Profs Mohamed Jeebhay and Rodney Ehrlich, Health Sciences UCT is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 2.5 South Africa License. Major contributors: Mohamed Jeebhay, Rodney Ehrlich, Jonny Myers, Leslie London, Sophie Kisting, Rajen Naidoo, Saloshni Naidoo. Source available from here. For any updates to the material, or more permissions beyond the scope of this license, please email healthoer@uct.ac.za or visit www.healthedu.uct.ac.za. Last updated Jan 2007.
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