Table 4

Socioeconomic background, adult socioeconomic status, and smoking cessation*

Unadjusted models†Childhood SES, demographic controls‡Childhood SES, demographic controls, adult SES§
OR95% CIOR95% CIOR95% CI
*Discrete time survival models of most recent quit attempt sustained for at least one year; models include person years from age at regular smoking through age at most recent quit attempt. †Separate models for each domain of SES controlling only for sample selection factors and time at risk. ‡Combined model for all three domains of childhood SES, also controlling for sample selection factors, age at first cigarette, age at regular smoking, sex, race/ethnicity, maternal smoking, and age at interview. §Also controlling for respondent’s educational attainment and occupation.
Childhood socioeconomic status
Maternal education (y)1.20(1.09 to 1.31)1.10(0.99 to 1.24)1.03(0.92 to 1.15)
Parental occupation at subject’s birth and 7th year
    BirthAge 7
    ManualManual0.43(0.25 to 0.74)0.68(0.36 to 1.32)0.83(0.41 to 1.66)
    Not employed at birth or age 70.33(0.17 to 0.64)0.57(0.26 to 1.26)0.66(0.29 to 1.50)
    ManualNon-manual0.77(0.39 to 1.54)1.00(0.48 to 2.09)1.06(0.50 to 2.27)
    Non-manualManual0.73(0.34 to 1.57)0.89(0.40 to 2.00)0.93(0.40 to 2.16)
Household below US poverty level between subject’s birth and 7th year
    Yes0.52(0.35 to 0.78)0.62(0.40 to 0.98)0.68(0.42 to 1.08)
Adult socioeconomic status
Educational attainment (y)1.38(1.24 to 1.53)1.25(1.12 to 1.41)
    Unskilled, semiskilled manual0.24(0.13 to 0.43)0.51(0.25 to 1.01)
    Skilled manual0.41(0.25 to 0.68)0.68(0.38 to 1.21)