Table 3

 Quitting smoking: prevalence rates, unadjusted and mutually adjusted odds ratios (95% confidence intervals) (n = 3873). Effects of childhood socioeconomic position, parenthood histories and domestic circumstances, and education and adult socioeconomic position

%Unadjusted OR and 95% CIMutually adjusted OR and 95% CI
ABCDE
Significance in model E: p<0.0001****; p<0.001***; p<0.01**; p<0.05*. †For age, the odds ratio refers to a one year increase in age. ‡The odds ratio for lone mother in models D and E gives the additional effect of living with a child for a woman without a partner.
Age† 1.04 (1.01,1.06)0.98 (0.96,1.00)1.02 (0.99,1.05)1.03 (1.01,1.06)*
Father’s collapsed NS-SEC
Professional and Managerial43.91111
Intermediate36.90.75 (0.62,0.90)0.74 (0.62,0.89)0.79 (0.65,0.95)0.89 (0.74,1.09)
Semi-routine/routine32.10.60 (0.50,0.72)0.60 (0.50,0.71)0.65 (0.54,0.79)0.82 (0.67,0.99)
Missing32.20.61 (0.49,0.75)0.60 (0.49,0.75)0.68 (0.54,0.84)0.81 (0.64,1.01)
Age of entry into motherhood
No births at time of interview37.2111****
25 and over49.31.64 (1.38,1.95)1.46 (1.19,1.79)1.64 (1.33,2.02)
22–2435.20.91 (0.75,1.12)0.93 (0.74,1.17)1.22 (0.96,1.55)
20 and 2126.00.59 (0.47,0.75)0.64 (0.49,0.84)0.90 (0.68,1.19)
Under 2021.40.46 (0.37,0.58)0.49 (0.38,0.63)0.76 (0.58,0.99)
Cohabitation status
Lives with a partner40.5111****
Does not live with a partner25.70.51 (0.44,0.59)0.62 (0.50,0.78)0.64 (0.51,0.80)
Lone mother (child/no partner)‡
No38.7111
Yes20.40.40 (0.33,0.50)0.74 (0.54,1.02)0.76 (0.55,1.05)
Age of leaving full time education
22 +57.211****
19–2147.50.68 (0.50,0.90)0.70 (0.52,0.95)
17–1837.90.46 (0.36,0.58)0.51 (0.39,0.66)
16 and under29.70.32 (0.25,0.40)0.42 (0.32,0.54)
Woman’s collapsed NS-SEC
Professional and Managerial45.811****
Intermediate38.10.73 (0.62,0.85)0.91 (0.76,1.08)
Semi-routine/routine25.20.40 (0.34,0.47)0.60 (0.50,0.72)