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Table 6 Descriptive statistics of the e-cigarette harm perception items across different advertisement types

From: The association of adolescent e-cigarette harm perception to advertising exposure and marketing type

Variable

Unweighted N (%)

Weighted N (%)

Newspaper

  

Harmfulness of nicotine

Not at all

27 (1.8)

56,650 (2.0)

Slightly

114 (7.6)

218,572 (7.8)

Somewhat

345 (23.2)

636,325 (22.7)

Very

437 (29.4)

833,492 (29.8)

Extremely

564 (37.9)

1,054,044 (37.7)

Overall harmfulness of e-cigarette

No harm

33 (2.2)

61,574 (2.2)

Little harm

197 (13.3)

388,634 (13.9)

Some harm

494 (33.3)

923,160 (33.0)

A lot of harm

761 (51.2)

1,424,404 (50.9)

Harm in ENDS vs. CIGS

Less harmful

435 (29.4)

819,362 (29.4)

About the same

855 (57.8)

1,615,997 (58.0)

A lot of harm

190 (12.8)

350,171 (12.6)

Billboard

  

Harmfulness of nicotine

Not at all

33 (1.6)

55,358 (1.4)

Slightly

131 (6.2)

254,318 (6.5)

Somewhat

492 (23.1)

887,106 (22.5)

Very

609 (28.6)

1,149,091 (29.2)

Extremely

861 (40.5)

1,591,467 (40.4)

Overall harmfulness of e-cigarette

No harm

40 (1.9)

67,433 (1.7)

Little harm

232 (10.9)

434,828 (11.1)

Some harm

716 (33.7)

1,319,481 (33.5)

A lot of harm

1136 (53.5)

2,112,497 (53.7)

Harm in ENDS vs. CIGS

Less harmful

566 (26.7)

1,084,318 (27.6)

About the same

1306 (61.6)

2,391,732 (60.9)

A lot of harm

248 (11.7)

454,304 (11.6)

Radio

  

Harmfulness of nicotine

Not at all

31 (3.2)

46,361 (2.6)

Slightly

71 (7.2)

140,359 (7.8)

Somewhat

240 (24.4)

429,542 (24.0)

Very

261 (26.5)

479,788 (26.8)

Extremely

381 (38.7)

693,613 (38.8)

Overall harmfulness of e-cigarette

No harm

31 (3.1)

57,132 (3.2)

Little harm

127 (12.9)

233,820 (13.0)

Some harm

305 (30.9)

557,413 (31.0)

A lot of harm

525 (53.1)

951,541 (52.9)

Harm in ENDS vs. CIGS

Less harmful

218 (22.1)

409,626 (22.8)

About the same

614 (62.3)

1,119,477 (62.4)

A lot of harm

154 (15.6)

266,187 (14.8)

Television

  

Harmfulness of nicotine

Not at all

43 (1.9)

72,040 (1.7)

Slightly

144 (6.2)

277,395 (6.4)

Somewhat

537 (23.2)

1,002,990 (23.2)

Very

657 (28.4)

1,216,562 (28.2)

Extremely

931 (40.3)

1,749,651 (40.5)

Overall harmfulness of e-cigarette

No harm

53 (2.3)

101,649 (2.3)

Little harm

269 (11.6)

504,151 (11.6)

Some harm

747 (32.2)

1,369,363 (31.6)

A lot of harm

1249 (53.9)

2,356,451 (54.4)

Harm in ENDS vs. CIGS

Less harmful

501 (21.7)

980,522 (22.7)

About the same

1462 (63.2)

2,717,059 (62.9)

A lot of harm

349 (15.1)

624,491 (14.4)

Social Media

  

Harmfulness of nicotine

Not at all

55 (2.0)

106,670 (2.1)

Slightly

219 (8.1)

425,580 (8.4)

Somewhat

682 (25.2)

1,262,363 (24.8)

Very

777 (28.7)

1,484,858 (29.2)

Extremely

971 (35.9)

1,805,626 (35.5)

Overall harmfulness of e-cigarette

No harm

58 (2.1)

105,854 (2.1)

Little harm

375 (13.9)

731,855 (14.4)

Some harm

996 (36.8)

1,872,869 (36.8)

A lot of harm

1277 (47.2)

2,375,434 (46.7)

Harm in ENDS vs. CIGS

Less harmful

  

About the same

  

A lot of harm

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