Table 1

Participant characteristics

Age (years)
Ethnicities (identification with multiple ethnicities possible)
 NZ European12
Smoking status*
 Current smoker5
 Former smoker1
 Non-smoker14 (13 non-susceptible and 1 susceptible)†
 North Island10
 South Island10
  • *Current smoker: smoked at least monthly (one participant smoked daily; two smoked weekly; two smoked monthly); Former smoker: previously a current smoker but no longer smoking; Non- smoker: had not previously smoked at least monthly.

  • †Assessed using Pierce’s susceptibility measure.64