Table 1

Awareness and use of short-fills by respondent characteristics (ITC Youth Survey, England, 2021, weighted % (n))

OutcomeAware of short-fillsUsed a short-fill in the past 30 days
SampleTotal
n=4224
Among all respondents
(n=4224)
Among youth who vaped in the past 30 days
(n=747)
% (n)% (n)AOR (95% CI)P value% (n)AOR (95% CI)P value
Model 1
Total23.0 (974)22.1 (150)
Vaping
 Never vaped57.5 (2429)18.4 (471)1Ref
 Ever vaped24.8 (1048)21.8 (219)0.93 (0.73 to 1.18)0.550
 Vaped in the past 30 days17.7 (747)41.9 (284)2.14 (1.67 to 2.74)<0.00122.1 (150)
Smoking
 Never smoked58.9 (2486)18.1 (471)1Ref5.3 (6)1
 Ever smoked33.9 (1433)27.0 (370)1.30 (1.05 to 1.61)0.01519.5 (83)4.58 (1.60 to 13.14)0.005
 Currently smoking7.2 (305)50.9 (133)3.13 (2.26 to 4.33)<0.00143.2 (61)13.7 (4.56 to 40.93)<0.001
Model 2Among youth who vaped in the past 30 days (n=747)Among youth who vaped in the past 30 days (n=747)
Nicotine concentration
 0% (0 mg/mL)40.7 (304)31.8 (88)1Ref11.9 (33)1Ref
 0.1%–1.9% (1–19 mg/mL)27.6 (206)54.1 (98)1.68 (1.06 to 2.69)0.02932.5 (59)2.40 (1.32 to 4.39)0.004
 2.0% (20 mg/mL)8.0 (60)45.8 (23)1.41 (0.74 to 2.69)0.29431.7 (15)2.64 (1.14 to 6.13)0.024
 ≥2.1% (≥21 mg/mL)11.4 (85)61.7 (55)2.22 (1.23 to 3.99)0.00840.8 (37)3.16 (1.53 to 6.49)0.002
 Do not know12.3 (92)24.3 (24)0.59 (0.31 to 1.10)0.0977.4 (6)3.16 (1.53 to 6.49)0.119
  • All analyses were weighted.

  • Model 1 was adjusted for age, sex, race/ethnicity, smoking, vaping.

  • Model 2 included only youth who had vaped in the past 30 days and was adjusted for age, sex, race/ethnicity, smoking and nicotine concentration.

  • AOR, adjusted OR; ITC, International Tobacco Control; Ref, reference.