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. 2010 Feb 17;10:74. doi: 10.1186/1471-2458-10-74

Table 2.

Factors associated with ever smokers compared to never smokers by country, weighted.

All
(n = 5000)
France
(n = 1000)
Ireland
(n = 1000)
Italy
(n = 1000)
Czech Republic
(n = 1000)
Sweden
(n = 1000)
OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)

Age
18-24 1.00 1.00 1.00 1.00 1.00 1.00
25-34 1.43 (1.10, 1.86) 2.02 (1.08,3.78) 1.66 (1.01, 2.75) 1.44 (0.73, 2.83) 0.82 (0.44, 1.55) 1.56 (0.81, 3.01)
35-44 1.58 (1.20, 2.08) 1.33 (0.71, 2.49) 1.81 (1.04, 3.15) 1.82 (0.90, 3.67) 1.11 (0.54, 2.29) 2.50 (1.29, 4.83)
45-54 1.77 (1.33, 2.34) 1.53 (0.83, 2.92) 1.70 (0.95, 3.05) 2.66 (1.30, 5.45) 1.37 (0.66, 2.86) 2.57 (1.33, 4.94)
55+ 1.68 (1.28, 2.20) 1.53 (0.83, 2.79) 1.69 (0.94, 3.04) 1.98 (0.99, 3.93) 1.67 (0.81, 3.46) 2.61 (1.37, 4.96)
Age at last education
<16 0.98 (0.75, 1.26) 0.56 (0.25, 1.26) 1.16 (0.57, 2.37) 0.89 (0.52, 1.52) 0.86 (0.39, 1.90) 0.96 (0.59, 1.55)
16-19 1.09 (0.88, 1.36) 0.63 (0.30, 1.33) 1.00 (0.54, 1.87) 1.13 (0.69, 1.83) 1.23 (0.72, 2.08) 1.34 (0.92, 1.96)
20-25 0.85 (0.68, 1.07) 0.55 (0.26, 1.13) 0.66 (0.35, 1.25) 0.96 (0.59, 1.57) 0.91 (0.52, 1.58) 0.83 (0.56, 1.24)
>25 1.00 1.00 1.00 1.00 1.00 1.00
Marital status
Married 1.00 1.00 1.00 1.00 1.00 1.00
Divorced/Separated 1.49 (1.23, 1.80) 1.16 (0.79, 1.67) 1.91 (1.12, 3.25) 2.00 (1.20, 3.35) 1.42 (0.94, 2.16) 1.73 (1.14, 2.63)
Widowed 0.83 (0.67, 1.04) 1.44 (0.67, 3.10) 0.77 (0.49, 1.20) 0.89 (0.54, 1.46) 0.53 (0.33, 0.84) 1.36 (0.79, 2.36)
Never married 1.13 (0.94, 1.35) 1.86 (1.14, 3.03) 1.28 (0.90, 1.85) 0.97 (0.66, 1.41) 1.21 (0.75, 1.94) 0.89 (0.56, 1.39)
Unmarried couple 1.26 (1.01, 1.58) 1.22 (0.82, 1.82) 1.85 (0.85, 4.02) 1.66 (0.76, 3.60) 1.64 (0.48, 5.59) 1.20 (0.83, 1.73)
Income
Well below the median 1.27 (1.00, 1.61) 1.57 (0.90, 2.74) 1.45 (0.83, 2.54) 1.11 (0.71, 1.75) 0.73 (0.40, 1.34) 1.87 (0.93, 3.75)
Below the median
Around the median
1.12 (0.94, 1.33)
1.00
1.17 (0.79, 1.74)
1.00
1.16 (0.80, 1.69)
1.00
0.98 (0.67, 1.43)
1.00
1.23 (0.81, 1.86)
1.00
1.03 (0.67, 1.59)
1.00
Above the median 1.17 (0.97, 1.41) 1.61 (1.05, 2.49) 1.03 (0.69, 1.53) 1.00 (0.57, 1.76) 1.16 (0.76, 1.79) 1.13 (0.75, 1.72)
Well above the median 0.97 (0.68, 1.36) 0.85 (0.36, 2.01) 0.47 (0.21, 1.04) 2.13 (0.23, 20.14) 2.14 (0.42, 10.79) 1.42 (0.84, 2.43)
Refused to answer 0.87 (0.72, 1.04) 1.14 (0.75, 1.74) 0.88 (0.57, 1.35) 0.56 (0.37, 0.85) 0.81 (0.52, 1.25) 0.90 (0.60, 1.34)
Friends/family smoke
None 1.00 1.00 1.00 1.00 1.00 1.00
Few 1.45 (1.23, 1.71) 1.34 (0.89, 2.02) 1.73 (1.20, 2.50) 0.97 (0.67, 1.41) 3.09 (1.79, 5.33) 1.49 (1.09, 2.04)
Less than half 2.35 (1.87, 2.95) 1.66 (1.00, 2.76) 2.25 (1.33, 3.81) 1.25 (0.74, 2.09) 8.40 (4.48, 15.74) 2.69 (1.58, 4.56)
About half or more 3.97 (3.22, 4.88) 2.57 (1.64, 4.02) 4.03 (2.46, 6.63) 3.17 (2.08, 4.85) 8.26 (4.58, 14.89) 12.37 (5.99, 25.55)
Parents smoke
No 1.00 1.00 1.00 1.00 1.00 1.00
Yes 1.67 (1.47, 1.89) 2.21 (1.65, 2.96) 1.40 (1.05, 1.87) 1.28 (0.97, 1.68) 2.21 (1.65, 2.96) 1.54 (1.16, 2.04)

Odds ratios (ever smoker: never smoker) adjusted for all above listed variables (and country for the combined analysis).