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Table 2 Smoking characteristics of participants included in validation analysis (n = 304).

From: Assessing smoking status in disadvantaged populations: is computer administered self report an accurate and acceptable measure?

  Male Female Total
  n n n %
Self reported smoking status     
   Smoker- daily or occasional 108 71 179 59
   Non-smoker 59 66 125 41
Time since last cigarette*     
   < 4 hours 99 66 165 92
   4-8 hours 8 5 13 7
   8-12 hours 1 0 1 1
Exposure to passive smoke in last 24 hours     
   Exposure 138 99 237 78
   No exposure 28 38 66 22
   Missing 1 0 1 0.3
Heaviness of smoking index*     
   1-2 (Low dependence) 39 26 65 36
   3-4 45 35 80 45
   5-6 (High dependence) 24 10 34 19
  1. * Smokers only. n = 179. Note: not all percentages add to 100% due to rounding.