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. Author manuscript; available in PMC: 2018 Dec 1.
Published in final edited form as: Am J Prev Med. 2017 Oct 10;53(6):810–817. doi: 10.1016/j.amepre.2017.08.004

Table 3.

Proportion With at Least One Quit Attempt in Past 12 Months and Consumption Cigarettes/Day in the Entire Sample

Covariates and model fit Proportion with at least one quit attempt in past 12 months (Logistic regression) Consumption cigarettes/day (Linear regression)

Unadjusted Including K-6 Fully Adjusted Unadjusted Including K-6 Fully Adjusted
Time (per 10 years) a 1.14 (1.11, 1.18)** 1.12 (1.09, 1.16)** 1.13 (1.10, 1.17)** −2.91 (−3.07, −2.74)** −3.00 (−3.16, −2.84)** −2.89 (−3.03, −2.76)**
Psychological distress status: Kessler 6 scale
 No distress (0–4 points) 1 1 1 1
 Moderate psychological distress (5–12 points) 1.41 (1.36, 1.47)** 1.39 (1.34, 1.44)** 1.17 (0.99, 1.36)** 1.37 (1.19, 1.54)**
 Serious psychological distress (13–24 points) 1.39 (1.31, 1.48)** 1.43 (1.35, 1.53)** 3.89 (3.53, 4.25)** 3.69 (3.36, 4.03)**
Gender
 Male 1 1
 Female 1.08 (1.05, 1.12)** −2.96 (−3.10, −2.82)**
Age 0.99 (0.99, 0.99)** 0.09 (0.08, 0.10)**
Marital status
 Married/Living with partner 1 1
 Never married 0.93 (0.89, 0.97)** −1.34 (−1.50, −1.17)**
 Widowed/Divorced/Sepa rated 1.01 (0.97, 1.05) 0.16 (−0.1, 0.34)
Alcohol use
 Current drinker 1 1
 Former drinker 1.00 (0.96, 1.04) 1.10 (0.88, 1.31)**
 Lifetime abstainer 0.86 (0.81, 0.91)** −0.13 (−0.38, 0.11)
Educational level
 0–11 years/12 years without diploma 1 1
 HS diploma/GED or equivalent 1.05 (1.01, 1.10)* −0.87 (−1.07, −0.67)**
 Some college/AA degree 1.30 (1.24, 1.36)** −2.12 (−2.32, −1.91)**
 BA degree and higher 1.29 (1.22, 1.36)** −4.86 (−5.11, −4.62)**
Race/Ethnicity
 Non-Hispanic white 1 1
 Non-Hispanic black 1.33 (1.27, 1.40)** −5.36 (−5.54, −5.19)**
 Hispanic 1.16 (1.10, 1.22)** −7.82 (−8.03, −7.61)**
 Non-Hispanic all other race groups 1.16 (1.06, 1.26)** −4.38 (−4.74, −4.03)**
Constant 0.81 (0.80, 0.83) 0.74 (0.72, 0.75) 1.09 (1.02, 1.17)* 14.13 (14.04, 14.23)** 13.60 (13.50, 13.70)** 17.31 (16.93, 17.69)**
Model fit R2, p-value 0.02 0.03 0.17
Model fit p-value p<0.01 p<0.01 p<0.01 p<0.01 p<0.01 p<0.01

Notes: Boldface indicates statistical significance (*p<0.05; **p<0.01).

a

year centered on 2006 (−9 to 9), and divided by 10

HS, High School; GED, General Educational Development (High School Equivalency); AA, Associate; BA, Bachelor