text: **Table 10: Descriptive statistics from the NDTMS data.**
  
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              [html]<thead><tr><td></td><td>Heason for exclusion</td><td>Number of individuals excluded</td></tr><tr><td>Total number of individuals analysed</td><td>Initial sample prior to exclusion</td><td>0</td></tr></thead><tbody><tr><td>243.588</td><td>No age at first use recorded or age was below 10 or higher than age at first treatment</td><td>443</td></tr><tr><td>243.145</td><td>Year of first use before 2005</td><td>190.316</td></tr><tr><td>52.829</td><td>Percentage of total sample initiating 2005 – 14</td><td>n / a</td></tr><tr><td>21.7 %</td></tr></tbody>
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