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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Addiction. 2021 Mar 23;116(9):2509–2520. doi: 10.1111/add.15454

Table 4:

Predictors of Quit Attempts Among Daily Smokers Broken Down by Age

18–24 25+
OR (95% CI) χ2 (d.f.) OR (95% CI) χ2 (d.f.)
Country 2.132(3) 13.802(3)*
 Canada - -
 USA 1.24 (0.92, 1.68) 1.08 (0.99, 1.17)
 UK 1.10 (0.80, 1.51) 0.96 (0.89, 1.05)
 Australia 1.06 (0.81, 1.38) 1.10 (1.02, 1.20)*
Sex 0.464(1) 6.125(1)*
 Female - -
 Male 0.93 (0.75, 1.15) 0.93 (0.87, 0.98)*
Income Categories 3.909(2) 7.603(2)*
 Low - -
 Moderate 1.05 (0.82, 1.35) 0.92 (0.8, 0.9)*
 High 1.28 (0.99, 1.65) 0.8 (0.8, 0.9)*
Highest Level of Education 1.111(2) 3.287(2)
 Low - -
 Moderate 1.02 (0.81, 1.82) 1.0 (0.9, 1.1)
 High 1.23 (0.83, 1.82) 1.0 (0.9, 1.1)
HSI 23.798(6)** 67.904(6)**
 0 - -
 1 1.03 (0.73, 1.44) 0.92 (0.81, 1.03)
 2 0.67 (0.49, 0.91) 0.81 (0.73, 0.91)**
 3 0.60 (0.44, 0.83)* 0.73 (0.65, 0.81)**
 4 0.57 (0.40, 0.83)* 0.71 (0.63, 0.80)**
 5 0.66 (0.37, 1.17) 0.71 (0.62, 0.81)**
 6 0.22 (0.07, 0.73) 0.62 (0.52, 0.75)**
Intention to Quit 115.149(3)** 2229.585(3)**
 In Next Month - -
 In Next 6 Months 0.51 (0.36, 0.72)** 0.55 (0.50, 0.61)**
 Beyond Next 6 Months 0.24 (0.18, 0.34)** 0.26 (0.23, 0.28)**
 Not Planning to Quit 0.18 (0.12, 0.26)** 0.12 (0.11, 0.13)**

Note:

*

indicates p<0.05

**

indicates p<0.001