|
Base
|
Univariate geometric mean (ng/ml)
|
Adjusted geometric mean (ng/ml)
|
p Value
|
Stepwise multiple r
|
Partner's cotinine (ng/ml) | | | < 0.0001 | 0.26 |
0 | 771 | 0.23 | 0.23 | | |
0.1 | 873 | 0.22 | 0.22 | | |
0.2 | 844 | 0.25 | 0.26 | | |
0.3 | 742 | 0.30 | 0.30 | | |
0.4 | 616 | 0.29 | 0.28 | | |
0.5–0.6 | 830 | 0.35 | 0.35 | | |
0.7–0.9 | 657 | 0.38 | 0.38 | | |
1–2.9 | 788 | 0.51 | 0.49 | | |
3+ | 111 | 0.74 | 0.74 | | |
|
Sex | | | | < 0.0001 | 0.29 |
Men | 3065 | 0.35 | 0.36 | | |
Women | 3167 | 0.27 | 0.26 | | |
|
Season | | | | < 0.0001 | 0.31 |
Spring & summer | 3255 | 0.27 | 0.28 | | |
Autumn & winter | 2977 | 0.35 | 0.34 | | |
|
Socioeconomic disadvantage score | | | < 0.0001 | 0.32 |
0 | 3154 | 0.28 | 0.29 | | |
1 | 2330 | 0.33 | 0.32 | | |
2 | 561 | 0.36 | 0.34 | | |
3 | 179 | 0.35 | 0.35 | | |
4 | 8 | 0.42 | 0.35 | | |
|
Age | | | | < 0.0001 | 0.32 |
16–29 | 468 | 0.35 | 0.34 | | |
30–44 | 2099 | 0.32 | 0.32 | | |
45–60 | 1744 | 0.32 | 0.32 | | |
60+ | 1921 | 0.28 | 0.28 | | |
|
Region | | | | < 0.0001 | 0.32 |
South & West | 3325 | 0.29 | 0.30 | | |
Midlands | 1346 | 0.30 | 0.30 | | |
North | 1561 | 0.35 | 0.34 | | |
|
Year of survey | | | | 0.001 | 0.33 |
1994 | 2990 | 0.29 | 0.29 | | |
1996 | 3242 | 0.33 | 0.32 | | |
|
Respondent's smoking history | | | 0.003 | |
Never regular smoker | 3888 | 0.30 | 0.30 | | 0.33 |
Ex-smoker | 2344 | 0.33 | 0.32 | | |
|
Marital status | | | | 0.04 | |
Married | 5863 | 0.30 | 0.30 | | 0.33 |
Cohabiting | 369 | 0.39 | 0.34 | | |