highly significantP = 0.00016
Prevalence for the same age groups was significantly lower in Kutaisi, at 0% ( P = 0.0062), 3.2% ( P = 0.0018) and 5.2% ( P = 0.0017; all Χ 2 test), respectively, and the overall difference in prevalence, 19.3% versus 7.3%, was also highly significant ( P = 0.00016).