Table 1 Descriptive statistics of demographics and outcome variables
From: E-cigarette addiction and harm perception: Does initiation flavor choice matter?
Variable | Mean (SD) | Min/Max | unweighted n (%) | weighted n (%) |
|---|---|---|---|---|
Age | ||||
 12 to 14 years old |  |  | 220 (21.1) | 340825 (18.2) |
 15 to 17 years old |  |  | 823 (78.9) | 1532792 (81.8) |
Sex | ||||
 Male |  |  | 546 (52.6) | 965544 (51.5) |
 Female |  |  | 493 (47.4) | 903587 (48.2) |
Race | ||||
 White |  |  | 776 (77.9) | 1456827 (80.6) |
 Black |  |  | 78 (7.8) | 122904 (6.8) |
 Other |  |  | 142 (14.3) | 227342 (12.6) |
Ethnicity | ||||
 Hispanic |  |  | 249 (24.6) | 327145 (18.1) |
 Non-Hispanic |  |  | 764 (75.4) | 1483123 (81.9) |
Grade level | ||||
 <=7th grade |  |  | 31 (3.0) | 42924 (2.3) |
 8th grade |  |  | 74 (7.1) | 137834 (7.4) |
 9th grade |  |  | 158 (15.2) | 252747 (13.5) |
 10th grade |  |  | 248 (23.8) | 448227 (24.0) |
 11th grade |  |  | 259 (24.9) | 471746 (25.2) |
 Other |  |  | 271 (25.0) | 515356 (27.6) |
Age when first started smoking cigarettes regularly | ||||
 <12 years old |  |  | 3 (5.7) | 4335 (5.6) |
 12 to 14 years old |  |  | 19 (35.8) | 24799 (32.1) |
 15 to 17 years old |  |  | 31 (58.5) | 48158 (62.3) |
Number of times used ENDS in life | ||||
 1 |  |  | 336 (34.1) | 584939 (33.2) |
 2-10 |  |  | 290 (29.4) | 551272 (31.3) |
 11-20 |  |  | 109 (11.1) | 184286 (10.4) |
 21-50 |  |  | 94 (9.5) | 174160 (9.9) |
 51-99 |  |  | 42 (4.3) | 80164 (4.5) |
 100 |  |  | 114 (11.6) | 189234 (10.7) |
Anyone lives with you now uses tobacco | ||||
 Cigarettes, cigars, cigarillos or filtered cigars |  |  | 311 (30.0) | 509271 (27.3) |
 E-products exclusively |  |  | 73 (7.1) | 127175 (6.8) |
 Other tobacco products |  |  | 60 (5.8) | 96586 (5.2) |
 No one living in the home uses tobacco |  |  | 591 (57.1) | 1129037 (60.6) |
Parent/guardian marital status | ||||
 Married |  |  | 642 (62.6) | 1207778 (65.7) |
 Widowed, divorced or separated |  |  | 272 (26.5) | 466650 (25.4) |
 Never married |  |  | 112 (10.9) | 163995 (8.9) |
Annual household income | ||||
 <$10,000 |  |  | 40 (4.0) | 48798 (2.7) |
 $10,000 to $24,999 |  |  | 130 (13.0) | 199276 (11.1) |
 $25,000 to $49,999 |  |  | 204 (20.4) | 337605 (18.8) |
 $50,000 to $99,999 |  |  | 271 (27.1) | 499916 (27.8) |
 >=$100,000 |  |  | 355 (35.5) | 712960 (39.6) |
Parent/spouse/guardian educational level | ||||
 Less than high school |  |  | 71 (6.9) | 105673 (5.7) |
 GED |  |  | 32 (3.1) | 46559 (2.5) |
 High school graduate |  |  | 156 (15.2) | 235975 (12.8) |
 Some college or associate degree |  |  | 307 (29.9) | 557953 (30.3) |
 Bachelor’s degree |  |  | 247 (24.1) | 468069 (25.5) |
 Advanced degree |  |  | 213 (20.8) | 424193 (23.1) |
Addiction score | 0.438 (0.933) | 0.000/6.466 | Â | Â |
Harm perception score | 1.934 (0.905) | 0.000/3.602 | Â | Â |