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Table 4 Predictive scores of purchasing CHM without physician’s prescription

From: The prevalence, characteristics, and factors associated with purchasing Chinese herbal medicine among adults in Taiwan

   Purchasing CHM
n Events Prevalence OR (95% CI)
Purchasing predictive scores
 0–4 8437 255 3.00% 1.00 (reference)
 5 1683 98 5.82% 1.99 (1.57–2.53)
 6 1751 115 6.56% 2.27 (1.80–2.86)
 7 1671 110 6.58% 2.27 (1.80–2.86)
 8 1685 156 9.26% 3.29 (2.67–4.40)
 9 1493 133 8.91% 2.87 (2.31–3.57)
  1. CHM Chinese herbal medicine, CI confidence interval, OR, odds ratio