| Household groupings | National | Urban | Rural |
| No (%) | No (%) | No (%) | |
| Never-smoking households* (NS) | 21 588 (37.9) | 7284 (43.4) | 14 304 (35.6) |
| Low tobacco consumption (Low) | 10 602 (18.8) | 3499 (20.9) | 7205 (18.0) |
| Medium tobacco consumption (Medium) | 14 447 (26.6) | 3638 (21.7) | 11 504 (28.7) |
| High tobacco consumption (High) | 7702 (12.1) | 1440 (8.6) | 5465 (13.6) |
| One former smoker† (1 quit) | 1049 (1.8) | 341 (2.0) | 708 (1.8) |
| Two or more former smokers† (2+ quit) | 934 (1.6) | 389 (2.3) | 545 (1.4) |
| Mixed (smokers and quitters)‡ (Mixed) | 594 (1.0) | 192 (1.1) | 402 (1.0) |
| Total | 56 916 (100) | 16 783 (100) | 40 133 (100) |
*No current or former smokers in the household, NS (household of never-smokers).
†No current smokers but there are one (1 quit) or at least two former smokers (2+ quit) who have quit smoking in the household.
‡At least one current smoker, and also at least one former smoker who has quit in the household.
Low, low tobacco consumption (0–25% of distribution of household tobacco consumption); Medium (25–75%); and High tobacco consumption (75–100%).
The categories are mutually exclusive—ie, “mixed” households with smokers and quitters are not also counted as low, medium or high consumption households.