|
Base
|
Univariate mean (ng/ml)
|
Adjusted mean (ng/ml)
|
p Value
|
Stepwise multiple r
|
Partner's cigarette consumption | | | 0.0000 | 0.382 |
Non-smoker | 6699 | 0.31 | 0.34 | | |
0.1–4 | 206 | 0.50 | 0.42 | | |
5–9 | 193 | 0.66 | 0.44 | | |
10–14 | 217 | 0.97 | 0.58 | | |
15–19 | 218 | 1.25 | 0.71 | | |
20–24 | 247 | 1.55 | 0.89 | | |
25–29 | 51 | 1.72 | 0.98 | | |
30+ | 71 | 1.99 | 1.11 | | |
| |
Season | | | | 0.0000 | 0.401 |
Spring & summer | 4098 | 0.33 | 0.33 | | |
Autumn & winter | 3804 | 0.44 | 0.43 | | |
| |
Sex | | | | 0.0000 | 0..416 |
Men | 3753 | 0.42 | 0.43 | | |
Women | 4149 | 0.34 | 0.33 | | |
| |
Socioeconomic disadvantage score | | | 0.0000 | 0.429 |
0 | 3772 | 0.32 | 0.34 | | |
1 | 3023 | 0.41 | 0.40 | | |
2 | 808 | 0.51 | 0.44 | | |
3 | 279 | 0.62 | 0.50 | | |
4 | 20 | 0.87 | 0.51 | | |
| |
Partner's cotinine concentration (ng/ml) | | | 0.0000 | 0.437 |
0–14 | 6542 | 0.31 | 0.34 | | |
15–99 | 241 | 0.55 | 0.49 | | |
100–199 | 267 | 0.77 | 0.55 | | |
200–299 | 381 | 1.04 | 0.58 | | |
300–399 | 291 | 1.23 | 0.65 | | |
400+ | 160 | 1.36 | 0.68 | | |
| |
Region | | | | 0.0000 | 0.443 |
South & West | 4182 | 0.35 | 0.35 | | |
Midlands | 1713 | 0.38 | 0.38 | | |
North | 2007 | 0.45 | 0.43 | | |
| |
Year of survey | | | | 0.0000 | 0.445 |
1994 | 3739 | 0.35 | 0.35 | | |
1996 | 4163 | 0.40 | 0.39 | | |
| |
Age (years) | | | | 0.0001 | 0.447 |
16–29 | 627 | 0.44 | 0.42 | | |
30–44 | 2666 | 0.38 | 0.38 | | |
45–60 | 2308 | 0.39 | 0.38 | | |
60+ | 2301 | 0.34 | 0.35 | | |
| |
Respondent's smoking history | | | 0.0001 | 0.449 |
Never regular smoker | 4899 | 0.35 | 0.36 | | |
Ex-smoker | 3003 | 0.41 | 0.40 | | |
| |
Other smokers in household? | | | | 0.002 | 0.450 |
No | 7576 | 0.37 | 0.37 | | |
Yes | 326 | 0.58 | 0.45 | | |
| |
Marital status | | | | 0.005 | 0.451 |
Married | 7366 | 0.37 | 0.37 | | |
Cohabiting | 536 | 0.52 | 0.43 | | |