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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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In pre-school children, the percentage of thumb sucking is:
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The correct answer is  According to a longitudinal study, which took data from a good number of studies, the average rate of non-nutritive sucking is about 70-80% in the preschool age.