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. Author manuscript; available in PMC: 2018 Jan 1.
Published in final edited form as: Prev Med. 2016 Oct 20;94:65–71. doi: 10.1016/j.ypmed.2016.10.019

Table 2.

Adolescents’ Perception of Friends’ and Family Use of E-cigarettes and Cigarettes, Total and by Past E-Cigarette and Cigarette Use

E-Cigarette (n; %)1 Cigarette (n; %)1 p-Value
Total Sample (a) Users2 (b) Non- Users2 (c) Total Sample (d) Users2 (e) Non- Users2 (f) Total Sample: Perceived Prevalence of E- cigarette vs. Cigarette Use (a vs d) Users vs Non- Users: Perceived Prevalence of E- cigarette Use (b vs c) Users vs Non- Users: Perceived Prevalence of Cigarette Use (e vs f)
As far as you know, has your mother/female guardian ever used any of the following products? 48; 8.16 26; 14.05 22 5.45 199; 33.00 91; 45.50 109; 26.98 <.001 0.0002 <.0001
As far as you know, has your dad/male guardian ever used any of the following products? 42; 7.87 23; 13.14 20; 5.56 247; 44.58 94; 51.56 154; 41.29 <.001 <.0001 .0007
As far as you know, have your siblings ever used any of the following products? 83; 15.43 54; 30.17 30; 8.33 99; 18.17 54; 29.67 146; 12.64 <.001 <.0001 <.0001
As far as you know, have your closest friends ever used any of the following products? 195; 32.28 118; 55.40 77; 19.64 31.80 119; 56.13 74; 18.69 NS (.86) <.0001 <.0001
1

n = number of participants who responded “yes” to the question; % = percentage of participants who responded “yes” to the question

2

“Users” were those who had ever used an e-cigarette and/or a cigarette; “non-users” were those who had never used either an e-cigarette or a cigarette.