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. 2020 Dec 13;10(12):e039792. doi: 10.1136/bmjopen-2020-039792

Table 2.

Crude and adjusted ORs for awareness and susceptibility of HTP among Guatemalan youth*

HTP awareness
n=1503 (52.4%)
HTP susceptible
n=1500 (52.4%)
% OR 95%CI AOR 95%CI % OR 95%CI AOR 95%CI
Sociodemographic characteristics
Sex
 Female 54.94 Reference Reference 52.33 Reference Reference
 Male 49.72 0.86 (0.74 to 1.01) 0.81‡ (0.68 to 0.97) 52.40 0.98 (0.84 to 1.14) 0.83 (0.66 to 1.04)
Age (mean) 15.29 1.25‡ (1.17 to 1.32) 1.05 (0.93 to 1.18) 15.26 1.29‡ (1.22 to 1.37) 0.93 (0.79 to 1.08)
Grade—US categories
 Basico (grades 8–9) 43.77 Reference Reference 44.04 Reference Reference
 Bachillerato (grades 10–12) 58.95 1.73‡ (1.48 to 2.02) 1.00 (0.74 to 1.35) 58.64 1.92‡ (1.64 to 2.24) 1.08 (0.73 to 1.59)
School performance
 <80% 53.26 Reference Reference 60.92 Reference Reference
 80%–89% 54.62 1.02 (0.82 to 1.27) 1.30‡ (1.01 to 1.67) 55.12 0.75‡ (0.61 to 0.93) 0.88 (0.64 to 1.20)
 90%–100% 48.61 0.72‡ (0.57 to 0.92) 1.13 (0.85 to 1.51) 44.58 0.49‡ (0.39 to 0.62) 0.83 (0.58 to 1.19)
Parents’ highest educational attainment
 Secondary school or less 53.06 Reference Reference 46.94 Reference Reference
 High school or technical school 52.33 1.00 (0.55 to 1.83) 0.75 (0.37 to 1.51) 52.33 1.23 (0.69 to 2.22) 1.07 (0.43 to 2.67)
 University or more 52.87 1.06 (0.60 to 1.90) 0.80 (0.41 to 1.59) 53.29 1.27 (0.72 to 2.24) 1.34 (0.55 to 3.27)
 Missing 45.26 0.71 (0.37 to 1.40) 0.91 (0.40 to 2.05) 39.71 0.75 (0.39 to 1.46) 1.11 (0.39 to 3.16)
Substance use variables % OR 95%CI AOR 95%CI % OR 95%CI AOR 95%CI
Cigarette smoker
 Never (unsusceptible) 41.59 Reference Reference 17.00 Reference Reference
 Never (susceptible) 51.39 1.54‡ (1.28 to 1.86) 0.88 (0.69 to 1.13) 75.90 15.68‡ (12.52 to 19.65) 6.18‡ (4.72 to 8.07)
 Ever (not current) 65.06 2.69‡ (2.19 to 3.31) 1.19 (0.89 to 1.59) 81.36 22.69‡ (17.53 to 29.37) 6.93‡ (5.02 to 9.57)
 Current 79.60 5.60‡ (4.01 to 7.81) 1.58 (1.00 to 2.49) 90.80 51.58‡ (32.64 to 81.51) 10.53‡ (5.92 to 18.71)
E-cigarette user
 Never (unsusceptible) 33.43 Reference Reference 4.64 Reference Reference
 Never (susceptible) 43.12 1.60‡ (1.27 to 2.03) 1.28 (0.95 to 1.73) 63.42 36.41‡ (24.52 to 54.07) 12.18‡ (7.79 to 19.03)
 Ever (not current) 55.94 2.51‡ (2.03 to 3.09) 1.65‡ (1.23 to 2.21) 61.34 38.66‡ (26.34 to 57.75) 11.08‡ (7.07 to 17.37)
 Current 72.41 4.67‡ (3.73 to 5.86) 2.10‡ (1.47 to 2.99) 78.73 124.45‡ (82.40 to 187.94) 21.87‡ (13.02 to 36.71)
Alcohol
Never 35.34 Reference Reference 20.56 Reference Reference
Ever (not current) 46.25 1.65‡ (1.34 to 2.03) 1.25 (0.97 to 1.60) 52.41 4.18‡ (3.33 to 5.26) 1.73‡ (1.25 to 2.41)
Current (no binge) 57.84 2.44‡ (1.96 to 3.05) 1.28 (0.95 to 1.71) 65.68 8.78‡ (6.81 to 11.32) 1.49‡ (1.03 to 2.17)
Current (binge) 76.83 5.27‡ (4.07 to 6.82) 1.84‡ (1.28 to 2.65) 75.36 17.99‡ (13.41 to 24.15) 1.65‡ (1.04 to 2.60)
Marijuana
 Never 49.43 Reference Reference 48.40 Reference Reference
 Ever (not current) 77.97 3.49‡ (2.42 to 5.04) 1.50 (0.97 to 2.32) 85.88 6.79‡ (4.40 to 10.46) 1.61 (0.94 to 2.75)
 Current 81.55 4.03‡ (2.42 to 6.71) 1.48 (0.82 to 2.67) 93.20 16.78‡ (7.72 to 36.49) 3.49‡ (1.40 to 8.72)
Internet cigarette ad exposure
 Never 44.74 Reference Reference 38.78 Reference Reference
 Rarely/sometimes 55.19 1.66‡ (1.40 to 1.96) 1.07 (0.86 to 1.34) 58.64 2.22‡ (1.88 to 2.62) 1.40‡ (1.06 to 1.84)
 Mostly/always 63.01 2.44‡ (1.87 to 3.19) 1.08 (0.75 to 1.57) 64.78 2.87‡ (2.20 to 3.73) 1.52 (0.97 to 2.40)
Internet e-cigarette ad exposure
 Never 39.70 Reference Reference 35.38 Reference Reference
 Rarely/sometimes 55.47 2.00‡ (1.68 to 2.38) 1.39‡ (1.10 to 1.75) 57.11 2.43‡ (2.05 to 2.89) 1.05 (0.78 to 1.41)
 Mostly/always 66.12 3.33‡ (2.62 to 4.22) 1.76‡ (1.26 to 2.46) 69.12 4.05‡ (3.19 to 5.13) 0.86 (0.57 to 1.30)
Family member smokes cigarettes
 No 45.78 Reference Reference 46.13 Reference Reference
 Yes 64.36 2.14‡ (1.82 to 2.51) 1.31‡ (1.07 to 1.60) 63.80 2.08‡ (1.78 to 2.44) 1.17 (0.91 to 1.50)
Family member smokes e-cigarettes
 No 47.96 Reference Reference 48.76 Reference Reference
 Yes 69.28 2.17‡ (1.78 to 2.64) 1.25 (0.98 to 1.59) 66.39 2.25‡ (1.85 to 2.73) 1.08 (0.81 to 1.45)
Family member uses HTP
 No 49.98 Reference Reference 51.18 Reference Reference
 Yes 67.85 2.08‡ (1.65 to 2.62) 1.60‡ (1.22 to 2.09) 60.51 1.48‡ (1.19 to 1.84) 0.98 (0.71 to 1.36)
Friend smokes cigarettes
 No 43.72 Reference Reference 40.50 Reference Reference
 Yes 59.81 1.89‡ (1.62 to 2.20) 1.03 (0.83 to 1.29) 62.56 2.50‡ (2.14 to 2.91) 0.91 (0.70 to 1.19)
Friend uses e-cigarettes
 No 39.71 Reference Reference 38.98 Reference Reference
 Yes 59.80 1.96‡ (1.67 to 2.31) 0.72‡ (0.57 to 0.91) 60.17 2.75‡ (2.33 to 3.25) 0.70‡ (0.51 to 0.95)
Friend uses HTP
 No 48.05 Reference Reference 49.90 Reference Reference
 Yes 77.73 4.19‡ (3.27 to 5.38) 4.15‡ (3.11 to 5.55) 66.43 1.98‡ (1.59 to 2.47) 1.83‡ (1.31 to 2.57)
Constructed scales (score range) Mean OR 95%CI AOR 95%CI Mean OR 95%CI AOR 95%CI
Sensation seeking (1–4) 2.87 1.61‡ (1.44 to 1.80) 1.08 (0.95 to 1.24) 2.97 2.47‡ (2.20 to 2.78) 1.41‡ (1.19 to 1.68)
Technophilia (0–7) 5.85 1.29‡ (1.19 to 1.41) 1.07 (0.97 to 1.19) 5.82 1.29‡ (1.18 to 1.40) 1.04 (0.91 to 1.20)
Family Affluence Scale (0–9) 7.46 1.15‡ (1.09 to 1.21) 1.10‡ (1.04 to 1.17) 7.29 1.04 (0.99 to 1.09) 0.94 (0.88 to 1.02)

*All models include a random intercept for each participant to account for school clustering.

†Adjusted models are adjusted for all independent variables.

‡Significant at α=0.05.

AOR, adjusted OR; HTP, heated tobacco product.