Table 1

Sample characteristics at recruitment in Kenya and Zambia

CharacteristicsKenya (n=1495)Zambia (n=1628)
FrequencyPer centFrequencyPer cent
Sex
 female1157.7764.7
 male138092.3155295.3
Age group
 18–241359.026516.3
 25–3965543.971243.7
 40–5442528.439324.1
 55–max28018.725815.9
 Mean (SD)41.1 (14.7)38.9 (15.2)
Smoking status
 Daily136991.6143187.9
 Non-daily1268.419712.1
Cohort
 1104970.1118873.0
 244629.944027.0
Cohort 1 smoker retention
 Lost or quit smoking69266.058349.1
 Retained as smoker35734.060550.9
  • These statistics are unweighted.