Table 2.
Variable | Value | Odds Ratio | 95% CI |
|
---|---|---|---|---|
Lower | Upper | |||
Wave | Wave 1 (ref) | 1 | ||
Wave 2 | 0.85 | 0.74 | 0.98 | |
Wave 3 | 1.23 | 1.04 | 1.46 | |
Gender | Female (ref) | 1 | ||
Male | 1.75 | 1.40 | 2.18 | |
Heaviness of | 0 | 1 | ||
Smoking | 1 | 0.34 | 0.23 | 0.50 |
Index | 2 | 0.29 | 0.20 | 0.40 |
3 | 0.31 | 0.22 | 0.43 | |
4 | 0.25 | 0.16 | 0.37 | |
5 | 0.22 | 0.12 | 0.40 | |
6 | 0.11 | 0.04 | 0.31 | |
Missing | 0.09 | 0.04 | 0.23 | |
Age | 16–24 (ref) | 1.00 | ||
25–39 | 1.45 | 0.94 | 2.21 | |
40–55 | 0.98 | 0.64 | 1.51 | |
56 and older | 0.46 | 0.29 | 0.71 | |
Household income | Under £30 000 (ref) | 1.00 | ||
£30 000–£44 999 | 1.38 | 1.08 | 1.76 | |
£45 000 and over | 1.36 | 1.01 | 1.83 | |
Don't know/prefer not to say | 0.65 | 0.50 | 0.84 | |
Educational qualification | High school or less (ref) | 1.00 | ||
Technical, trade school, A levels, community college | 2.00 | 1.55 | 2.59 | |
At least university degree | 2.96 | 2.30 | 3.81 | |
Don't know/prefer not to say | 0.76 | 0.48 | 1.22 | |
Ethnic group | White British (ref) | 1.00 | ||
White other | 0.69 | 0.42 | 1.13 | |
Other ethnic group | 0.39 | 0.23 | 0.65 | |
Prefer not to say | 0.18 | 0.06 | 0.55 | |
Occupational social group | ABC1 (ref) | 1.00 | ||
C2DE | 0.65 | 0.53 | 0.80 | |
Refused or unknown | 1.15 | 0.70 | 1.89 | |
Constant | 2.20 | 1.23 | 3.95 |
Number of individuals in GEE analysis =6233, number of observations =12 274.