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. Author manuscript; available in PMC: 2020 Sep 1.
Published in final edited form as: Am J Prev Med. 2019 Aug 1;57(3):e59–e68. doi: 10.1016/j.amepre.2019.04.006

Table 1.

Demographic and Health-related Measures by E-cigarette Dual or Never Use Among AI Who Smoke

Characteristics Dual user N=44 Never user N=137 p-value
Demographic measures
 Age group, years, n (%) 0.02
 18–44 30 (68) 65 (47)
 ≥45 14 (32) 72 (53)
Sex, male, n (%) 16 (36) 54 (39) 0.86
Education, n (%) 0.31
 Less than high school 10 (23) 35 (26)
 High school/GED 13 (30) 54 (40)
 More than high school 21 (48) 47 (35)
Annual household income, n (%) 0.84
 $0–$30,000 33 (77) 104 (78)
 >$30,000 10 (23) 29 (22)
Marital status, n (%) 0.30
 Live alone 23 (52) 58 (43)
 Living with spouse/partner 21 (48) 77 (57)
Selected health measures General health, n (%) 1.00
 Excellent/Very good/Good 27 (63) 84 (62)
 Fair/Poor 16 (37) 51(38)
Selected medical conditions,a n (%) 0.44
 Yes 31 (76) 83 (69)
 No 10 (24) 38 (31)
Depression, n (%) <0.01
 Yes 24 (56) 37 (29)
 No 19 (44) 92 (71)
Family history, cancer or heart disease, n (%) 0.04
 Yes 33 (77) 76 (59)
 No 10 (23) 53 (41)
Family history of cancer, n (%) 0.05
 Yes 25 (58) 54 (41)
 No 18 (42) 77 (59)

Notes: Percentages may not equal 100 due to rounding. Education was missing for one participant, income for five, general health for three, medical condition for 19, depression for eight, and family history for seven. Missingness did not differ between groups for any of these variables. Boldface indicates a statistically significant finding (p<0.05).

a

Major smoking-related medical conditions included lung cancer, head or neck cancer, other cancer, cardiovascular or heart disease, diabetes, chronic obstructive pulmonary disease or emphysema.

AI, American Indian.