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Table 3 E-cigarette use patterns of study participants

From: Patterns of tobacco and e-cigarette use status in India: a cross-sectional survey of 3000 vapers in eight Indian cities

 n (%) or median (IQR)
Where did you first hear about e-cigarettes
 Internet1836 (61.2)
 E-cigarette users’ forums720 (24.0)
 Family/friends2086 (69.5)
 Shops selling e-cigarettes (physical or online)1044 (34.8)
 TV/radio/newspapers151 (5.0)
 Healthcare professionals46 (1.5)
 Do not remember76 (2.5)
E-cigarette duration of use20 (12–29)
E-cigarette frequency of use
 Daily1415 (47.2)
 Weekly1251 (41.7)
 Monthly245 (8.2)
 Less than monthly89 (3.0)
E-cigarette device used now
 1st generation (cigarette-like)1650 (55.0)
 2nd generation (eGo style)1175 (39.2)
 3rd generation (mechanical mods or variable voltage/wattage devices)1204 (40.1)
 Do not know95 (3.2)
E-cigarette atomizers used now
 Prefilled cartomizers1260 (42.0)
 Refillable cartomizers501 (16.7)
 Tank systems with ready to use atomizer heads812 (27.1)
 Tank systems or drippers with rebuildable coils and wicks1373 (45.8)
 Do not know96 (3.2)
E-cigarette device first bought
 1st generation (cigarette-like)1630 (54.3)
 2nd generation (eGo style)932 (31.1)
 3rd generation (mechanical mods or variable voltage/wattage devices)343 (11.4)
 Do not know95 (3.2)
E-cigarette atomizer first bought
 Prefilled cartomizers1279 (42.6)
 Refillable cartomizers332 (11.1)
 Tank systems with ready to use atomizer heads217 (7.2)
 Tank systems or drippers with rebuildable coils and wicks1056 (4.0)
 Do not know116 (3.9)
In which form do you buy liquids
 Prefilled cartridges1424 (47.5)
 Bottles with ready-to-use liquids1685 (56.2)
 Liquid base and flavorings (do-it-yourself)692 (23.1)
Daily liquid consumption5 (3–6)
Nicotine concentration in liquids3 (3–6)
Use of non-nicotine liquids602 (20.1)
Flavors used now
 Tobacco1887 (62.9)
 Mint/menthol1797 (59.9)
 Sweet618 (20.6)
 Nuts674 (22.5)
 Fruits1152 (38.4)
 Drinks and beverages369 (13.2)
 Other9 (0.3)
 Do not remember8 (0.3)
Use of at least one non-tobacco/mint flavor1780 (59.3)
Flavors used at e-cigarette use initiation
 Tobacco1674 (55.8)
 Mint/menthol1272 (42.4)
 Sweet344 (11.5)
 Nuts345 (11.5)
 Fruits776 (25.9)
 Drinks and beverages202 (6.7)
 Other0 (0.0)
 Do not remember10 (0.3)
Number of different flavors used regularly now
 11034 (34.5)
 21511 (50.4)
 3337 (11.2)
 494 (3.1)
 513 (0.4)
 > 511 (0.4)
Source of e-cigarette purchase
 Online1712 (57.1)
 Department stores1061 (35.4)
 Pharmacies243 (8.1)
 Street shops1580 (52.7)
 Abroad846 (28.2)
 Other33 (1.1)