| | Current | Former | No smokers | Total |
| Total | | 21,92 | 21,84 | 56,24 | 100 |
| Gender | Male | 27,84 | 29,57 | 42,59 | 48,16 | Female | 16,43 | 14,64 | 68,93 | 51,84 |
| Age (years) | 15–24 | 21,39 | 5,79 | 72,82 | 12,18 | 25–34 | 27,82 | 14,84 | 57,34 | 17,06 | 35–44 | 28,07 | 19,59 | 52,34 | 18,89 | 45–54 | 28,28 | 26,32 | 45,4 | 15,3 | 55–64 | 20,65 | 29,19 | 50,16 | 14,2 | 65+ | 8,99 | 30,05 | 60,96 | 22,38 |
| Educational level | University degree | 20,14 | 21,51 | 58,35 | 9,26 | Upper secondary education | 23,59 | 20,86 | 55,55 | 26,14 | Lower secondary education or professional school | 26,45 | 20,77 | 52,78 | 37,65 | Primary education | 14,6 | 24,37 | 61,03 | 26,95 |
| Italian macroregion of residence | North-west | 22,19 | 23,25 | 54,56 | 26,74 | North-east | 21,38 | 24,95 | 53,67 | 19,01 | Centre | 23,76 | 23,54 | 52,7 | 19,45 | South | 20,77 | 17,6 | 61,63 | 23,56 | Islands | 21,44 | 19,11 | 59,45 | 11,24 |
| Chronic medical conditions | None | 22,03 | 21,44 | 56,53 | 94,51 | One at least | 20,03 | 28,68 | 51,29 | 5,49 |
| Occupational status | Employed | 29,37 | 22,3 | 48,33 | 46,7 | Unemployed, in search of first occupation | 30,24 | 13,77 | 55,99 | 5,56 | Housewife, student | 13,92 | 11,14 | 74,94 | 25,18 | Other | 13,39 | 34,79 | 51,82 | 22,56 |
| Marital status | Single | 25,62 | 12 | 62,38 | 29,63 | Married | 20,69 | 27,51 | 51,8 | 55,76 | Divorced, separated | 34,41 | 21,36 | 44,23 | 5,38 | Widowed | 10,21 | 19,37 | 70,42 | 9,22 |
| Self-assessed health status | Very good/good | 22,61 | 21,45 | 55,94 | 93,2 | Not good/poor | 12,56 | 27,05 | 60,39 | 6,8 |
| Self-assessed household income | Very good/adequate | 24,26 | 18,62 | 57,12 | 60,89 | Scarce/absolutely insufficient | 18,28 | 26,83 | 54,89 | 39,11 |
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