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Table 1 Demographic, smoking, and e-cigarette use characteristics of participants who completed the 3-month follow-up assessment (n = 9272; 60.0% of ITT sample), by smoking status at the 3-month follow-up assessment

From: Factors associated with past 30-day abstinence from cigarette smoking in a non-probabilistic sample of 15,456 adult established current smokers in the United States who used JUUL vapor products for three months

Variable Smoking status at 3-month follow-up assessment
Smoked in 30 days
(n = 4905) N %
No smoking in past 30 days (n = 4367) N % Total
(n = 9272) N %
Demographic variables
 Sex
  Male 2716 (55.4) 2607 (59.7) 5323 (57.4)
  Female 2120 (43.2) 1706 (39.1) 3826 (41.3)
  Transgender 27 (0.6) 24 (0.5) 51 (0.6)
  Missing 42 (0.9) 30 (0.7) 72 (0.8)
 Age
  21–24 1339 (27.3) 1731 (39.6) 3070 (33.1)
  25–34 1689 (34.4) 1413 (32.4) 3102 (33.5)
  35–44 1003 (20.4) 621 (14.2) 1624 (17.5)
  45–54 539 (11.0) 339 (7.8) 878 (9.5)
  55–64 267 (5.4) 236 (5.4) 503 (5.4)
  ≥ 65 68 (1.4) 27 (0.6) 95 (1.0)
 Race/Ethnicity
  Non-Hispanic, White 3439 (70.1) 2895 (66.3) 6334 (68.3)
  Non-Hispanic, Black 149 (3.0) 143 (3.3) 292 (3.1)
  Non-Hispanic, American Indian/Alaskan 61 (1.2) 54 (1.2) 115 (1.2)
  Non-Hispanic, Asian, Hawaiian, or PIa 514 (10.5) 438 (10.0) 952 (10.3)
  Non-Hispanic, two or more races 1 (0.0) 1 (0.0) 2 (0.0)
  Hispanicb 390 (8.0) 427 (9.8) 817 (8.8)
  Missing 351 (7.2) 409 (9.4) 760 (8.2)
 Education
  Not HS graduate 139 (2.8) 115 (2.6) 254 (2.7)
  GED 186 (3.8) 178 (4.1) 364 (3.9)
  HS graduate 689 (14.0) 890 (20.4) 1579 (17.0)
  Some college or associate’s degree 1901 (38.8) 1572 (36.0) 3473 (37.5)
  Bachelor’s degree or higher 1778 (36.2) 1362 (31.2) 3140 (33.9)
  Missing 212 (4.3) 250 (5.7) 462 (5.0)
 Household income
  < $25,000 962 (19.6) 935 (21.4) 1897 (20.5)
  $25,000 to $74,999 1979 (40.3) 1809 (41.4) 3788 (40.9)
  ≥ $75,000 1381 (28.2) 1126 (25.8) 2507 (27.0)
  Missing 583 (11.9) 497 (11.4) 1080 (11.6)
 U.S. census region
  Northeast 1109 (22.6) 908 (20.8) 2017 (21.8)
  South 1785 (36.4) 1640 (37.6) 3425 (36.9)
  Midwest 1159 (23.6) 1010 (23.1) 2169 (23.4)
  West 813 (16.6) 782 (17.9) 1595 (17.2
  Missing 39 (0.8) 27 (0.6) 66 (0.7)
Smoking and e-cigarette variables
 Age of first smoking
  ≤ 11 years 191 (3.9) 126 (2.9) 317 (3.4)
  12 to 14 years 1177 (24.0) 751 (17.2) 1928 (20.8)
  15 to 17 years 1938 (39.5) 1552 (35.5) 3490 (37.6)
  18 to 24 years 1497 (30.5) 1831 (41.9) 3328 (35.9)
  ≥ 25 years 87 (1.8) 94 (2.2) 181 (2.0)
  Missing 15 (0.3) 13 (0.3) 28 (0.3)
 Lifetime years of smoking
  ≤ 1 year 315 (6.4) 513 (11.7) 828 (8.9)
  1–5 years 1138 (23.2) 1485 (34.0) 2623 (28.3)
  6–10 years 1071 (21.8) 870 (19.9) 1941 (20.9)
  11–20 years 1265 (25.8) 784 (18.0) 2049 (22.1)
  ≥ 20 years 1029 (21.0) 601 (13.8) 1630 (17.6)
  Missing 87 (1.8) 114 (2.6) 201 (2.2)
 Number of smoking days in 30 days prior to baseline
  1–9 days 468 (9.5) 819 (18.8) 1287 (13.9)
  10–19 days 456 (9.3) 686 (15.7) 1142 (12.3)
  20–29 days 1031 (21.0) 1085 (24.8) 2116 (22.8)
  30 days 2950 (60.1) 1777 (40.7) 4727 (51.0)
 Cigarettes smoked per day at baseline
  1–9 cigarettes per day 2224 (45.3) 2626 (60.1) 4850 (52.3)
  10–19 cigarettes per day 1609 (32.8) 1134 (26.0) 2743 (29.6)
  ≥ 20 cigarettes per day 1072 (21.9) 607 (13.9) 1679 (18.1)
 Days of JUUL use in past 30 days at 3 months
  0 days 35 (0.7) 13 (0.3) 48 (0.5)
  1–9 days 394 (8.0) 275 (6.3) 669 (7.2)
  10–19 days 725 (14.8) 356 (8.2) 1081 (11.7)
  20–29 days 1040 (21.2) 704 (16.1) 1744 (18.8)
  30 days 2476 (50.5) 2710 (62.1) 5186 (55.9)
  Missing 235 (4.8) 309 (7.1) 544 (5.9)
 Current use of an e-cigarette other than JUUL
  Yes 568 (11.6) 407 (9.3) 975 (10.5)
  No 4335 (88.4) 3958 (90.6) 8293 (89.4)
  Missing 2 (0.0) 2 (0.0) 4 (0.0)
 Place of first JUUL SK purchase
  Retail store 1914 (39.0) 2346 (53.7) 4260 (45.9)
  JUUL website 2991 (61.0) 2021 (46.3) 5012 (54.1)
 Bought JUUL SK ‘to help me quit smoking’
  Yes 4069 (83.0) 3670 (84.0) 7739 (83.5)
  No 835 (17.0) 696 (15.9) 1531 (16.5)
  Missing 1 (0.0) 1 (0.0) 2 (0.0)
 Primary JUULpod flavor used in past 30 days (at 3 months)
  Virginia Tobacco 529 (10.8) 371 (8.5) 900 (9.7)
  Mint 863 (17.6) 1008 (23.1) 1871 (20.2)
  Mango 1107 (22.6) 1168 (26.7) 2275 (24.5)
  Crème 258 (5.3) 191 (4.4) 449 (4.8)
  Fruit 202 (4.1) 127 (2.9) 329 (3.5)
  Cucumber 242 (4.9) 193 (4.4) 435 (4.7)
  Classic Tobacco 138 (2.8) 40 (0.9) 178 (1.9)
  Menthol 187 (3.8) 119 (2.7) 306 (3.3)
  Equal use of 2+ flavors, no primary 1087 (22.2) 838 (19.2) 1925 (20.8)
  Missing 292 (6.0) 312 (7.1) 604 (6.5)
 JUULpod flavors used in past 30 days (at 3 months)
  Only used JUUL tobacco flavorsc 472 (9.6) 277 (6.3) 749 (8.1)
  Only used JUUL characterizing flavorsd 3209 (65.4) 3194 (73.1) 6403 (69.1)
  Used both tobacco and characterizing flavors 941 (19.2) 591 (13.5) 1532 (16.5)
  Missing 283 (5.8) 305 (7.0) 588 (6.3)
  1. SK JUUL starter kit (JUUL vaporizer plus four disposable pods); 3 M 3 months follow-up assessment, HS high school, GED general educational development, PI Pacific Islander
  2. aIncludes Asian Indian, Chinese, Filipino, Japanese, Korean, Vietnamese, Guamanian, Chamorro, and Samoan
  3. bIncludes Mexican, Cuban, Puerto Rican and “other Hispanic” ethnicity
  4. cJUUL tobacco flavors include “Virginia Tobacco” and “Classic Tobacco”
  5. dJUUL characterizing flavors include “Mint,” “Mango,” “Crème,” “Fruit,” “Cucumber,” and “Menthol”