Table 1: Smoking pattern characteristics in the adult population. Maracaibo, Venezuela.
| p | ||||||
| p5th | p25th | p50th | p75th | p95th | ||
| Age (Years) | < 0.0* | |||||
| Non-smokers | 18 | 24 | 35 | 48 | 67 | |
| Smokers | 20 | 28 | 40 | 50 | 60 | |
| Former smokers | 23 | 36 | 48 | 56 | 69 | |
| Age of initiation (years) | 0.08** | |||||
| Smokers | 14 | 16 | 19 | 25 | 36 | |
| Former smokers | 14 | 16 | 18 | 24 | 35 | |
| Intensity (Cigarette/day) | 0.28** | |||||
| Smokers | 1 | 2 | 6 | 10 | 20 | |
| Former smokers | 1 | 2 | 4 | 10 | 40 | |
| Time smoking (Years) | - | |||||
| Smokers | 1 | 6 | 16 | 28 | 40 | |
| Time without smoking (Years) | - | |||||
| Non-smoker | 0.6 | 3 | 10 | 20 | 35 | |
*Kruskal Wallis test; **U Mann-Whitney test.