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. 2014 Mar 27;9(3):e93014. doi: 10.1371/journal.pone.0093014

Table 3. Comparison of characteristics across smoking groups based on the 2011 National Health and Wellness Survey (NHWS).

Smoking group
Current Smokers Attempting Quitters Former Smokers
(A) (B) (C)
Unweighted sample sizes 5,923 2,215 15,142
Adults age 18+ years 30,676,446 11,507,751 66,493,664
Column percentage
[95% confidence interval]
Gender
Men 54.5BC 51.3 51.0
[53.1–55.9] [48.9–53.7] [50.1–52.0]
Women 45.5BC 48.7 49.0
[44.1–46.9] [46.3–51.1] [48.0–49.9]
Age group
Age 18–44 years 47.8BC 51.1 34.8
[46.4–49.3] [48.7–53.5] [33.9–35.7]
Age 45–64 years 43.2BC 39.1 35.6
[41.8–44.6] [36.9–41.4] [34.7–36.5]
Age 65+ years 9.0C 9.8 29.6
[8.2–9.8] [8.5–11.3] [28.8–30.6]
Race/ethnicity
Hispanic 13.0B 15.3 12.4
[11.8–14.2] [13.2–17.6] [11.6–13.3]
Non-Hispanic White/Caucasian 70.4BC 64.1 73.4
[69.0–71.9] [61.7–66.5] [72.4–74.4]
Non-Hispanic African American 11.4BC 13.9 8.5
[10.4–12.4] [12.2–15.7] [7.9–9.1]
Non-Hispanic Asian 2.3 3.2 2.5
[2.0–2.7] [2.6–3.9] [2.2–2.8]
Non-Hispanic Others 2.9 3.6 3.2
[2.5–3.4] [2.9–4.4] [2.9–3.5]
Marital status
Married 40.1C 41.2 54.1
[38.7–41.5] [38.9–43.6] [53.1–55.0]
Not married 59.9C 58.8 45.9
[58.5–61.3] [56.5–61.1] [45.0–46.9]
Employment status
Employed 55.7C 55.4 47.9
[54.3–57.1] [53.1–57.8] [46.9–48.8]
Not employed 44.3C 44.6 52.1
[42.9–45.7] [42.2–46.9] [51.2–53.1]
Education
High School or less 35.5BC 29.8 25.0
[34.1–36.9] [27.6–32.1] [24.2–25.9]
Some college, or Associate's degree 51.8B 54.7 51.2
[50.4–53.2] [52.3–57.0] [50.2–52.1]
College degree or higher 12.7BC 15.5 23.8
[12.0–13.5] [14.3–16.7] [23.1–24.5]
Total annual household income
$0 to $24,999 29.2BC 26.6 18.8
[27.9–30.5] [24.4–28.8] [18.1–19.7]
$25,000 to $49,999 32.9C 31.0 29.3
[31.6–34.2] [28.8–33.2] [28.5–30.2]
$50,000 to $74,999 16.5BC 18.6 20.4
[15.5–17.5] [16.9–20.5] [19.6–21.1]
≥$75,000 15.3C 16.8 22.2
[14.3–16.3] [15.2–18.6] [21.5–23.0]
Decline to answer 6.2C 7.1 9.2
[5.5–6.9] [6.0–8.3] [8.7–9.8]
Have health insurance 67.6BC 74.5 84.9
[66.2–69.0] [72.3–76.6] [84.2–85.6]
Body mass index (BMI)
Underweight (<19) 4.0C 3.4 1.7
[3.5–4.6] [2.7–4.3] [1.5–2.0]
Normal (≥19 & <25) 33.5C 32.0 26.1
[32.2–34.9] [29.8–34.3] [25.2–26.9]
Overweight (≥25 & <30) 31.5C 31.6 33.2
[30.2–32.9] [29.5–33.8] [32.3–34.1]
Obese (≥30) 30.9C 33.0 39.0
[29.6–32.3] [30.8–35.3] [38.1–40.0]
Mean days exercised in the past month 5.6BC (SD = 8.25) 7.3 (SD = 8.71) 7.6 (SD = 8.91)
Weight control
Taken steps to lose weight 34.7 BC 53.6 55.4
[33.3–36.0] [51.1–55.9] [54.5–56.4]
Flu vaccine in the past year 26.9BC 34.8 44.3
[25.7–28.2] [32.6–37.0] [43.4–45.3]
Drink alcohol 72.5C 74.1 68.7
[71.2–73.7] [72.0–76.1] [67.8–69.6]
Comorbidities
Respiratory/cardiovascular 32.3BC 37.4 43.5
[31.0–33.7] [35.1–39.7] [42.5–44.4]
Mental health 43.5BC 49.2 33.3
[42.0–44.9] [46.8–51.6] [32.5–34.3]
Diabetes 10.1C 9.3 14.6
[9.3–11.0] [8.0–10.7] [13.9–15.3]
Headache/migraine‡‡ 17.5BC 21.4 15.3
[16.5–18.6] [19.5–23.4] [14.6–16.0]
Family history of COPD 5.9BC 7.9 4.3
[5.3–6.6] [6.8–9.2] [4.0–4.7]
Living with children under 18 years of age 35.0C 36.9 26.1
[33.6–36.4] [34.5–39.2] [25.2–26.9]

Note. Superscripts represent columns whose percentage is significantly different from the column (A) at p<.05. The reference group for statistical tests was column A, Current Smokers. Superscripts for significant differences across columns B–C only are not shown. SD  =  standard deviation.

Respiratory/cardiovascular conditions include diagnoses of any of the following: COPD, asthma, emphysema, chronic bronchitis, hypertension, and heart attack.

Mental health conditions include any of the following: diagnoses of bipolar disorder, depression, GAD, anxiety, and OCD; and experiences of insomnia and alcoholism.

‡‡

Headache/migraine conditions include diagnoses of any of the following: headache and migraine.