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Table 6 Selected characteristics of US adults, by smoking cessation status, and odds ratios comparing those who successfully quit smoking with unsuccessful quitters, US National Health Interview Survey

From: Non-specific psychological distress, smoking status and smoking cessation: United States National Health Interview Survey 2005

  Current smokers who attempted but failed to quit in past year
(n = 2,747)
Former smokers who quit 7-24 months ago
(n = 693)
Multivariate odds ratio for successful quitting
  % 95% CI % 95% CI OR 95% CI
Age group (years)       
   18 - 24 17.3 (15.4 - 19.2) 16.4 (12.6 - 20.1) 1.00 (Reference)
   25 - 34 23.2 (21.3 - 25.0) 26.7 (22.8 - 30.6) 0.97 (0.68 - 1.39)
   35 - 44 22.6 (20.8 - 24.4) 18.0 (14.9 - 21.1) 0.66 (0.45 - 0.97)
   45 - 54 20.7 (18.9 - 22.6) 16.3 (13.1 - 19.5) 0.63 (0.42 - 0.95)
   55 - 64 10.9 (9.6 - 12.1) 13.0 (10.3 - 15.7) 0.99 (0.65 - 1.50)
   65 and over 5.4 (4.5 - 6.3) 9.7 (7.2 - 12.1) 1.68 (1.05 - 2.68)
Sex       
   Male 52.7 (50.5 - 54.9) 56.6 (52.3 - 60.8) 1.17 (0.96 - 1.43)
   Female 47.3 (45.1 - 49.5) 43.4 (39.2 - 47.7) 1.00 (Reference)
Race/ethnicity       
   Hispanic 9.6 (8.5 - 10.8) 11.1 (8.7 - 13.6) (a)  
   Non-Hispanic White 73.2 (71.3 - 75.1) 75.1 (71.4 - 78.8)   
   Non-Hispanic Black 13.2 (11.8 - 14.6) 10.4 (7.7 - 13.2)   
   All other race groups 4.0 (3.0 - 4.9) 3.4 (1.7 - 5.0)   
Marital status       
   Married/living with partner 55.1 (52.9 - 57.3) 62.4 (58.3 - 66.6) 1.00 (Reference)
   Divorced/widowed/separated 18.9 (17.4 - 20.4) 16.0 (13.2 - 18.7) 0.79 (0.61 - 1.03)
   Never married 24.7 (22.7 - 26.7) 20.5 (16.8 - 24.2) 0.72 (0.53 - 0.96)
   Not stated 1.2 (0.8 - 1.6) 1.1 (0.4 - 1.9) 0.79 (0.34 - 1.82)
Education       
   Less than high school 18.5 (16.8 - 20.3) 16.2 (13.2 - 19.2) 0.57 (0.41 - 0.80)
   High school graduate or GED 35.0 (32.8 - 37.1) 31.4 (27.2 - 35.6) 0.56 (0.41 - 0.76)
   Some college/associate degree 33.5 (31.4 - 35.5) 31.0 (27.0 - 35.0) 0.59 (0.44 - 0.79)
   College graduate or higher 12.4 (11.0 - 13.9) 20.6 (17.1 - 24.1) 1.00 (Reference)
   Not stated 0.6 (0.3 - 0.9) 0.8 (0.0 - 1.7) 0.87 (0.28 - 2.66)
   Born in the United States       
   Yes 10.1 (8.8 - 11.4) 10.5 (8.1 - 13.0) (a)  
   No 89.8 (88.5 - 91.2) 89.5 (87.0 - 91.9)   
   Not stated 0.1 (0.0 - 0.2) 0.0 (0.0 - 0.2)   
Family income       
   Under $20,000 22.0 (20.4 - 23.6) 15.9 (13.3 - 18.6) 0.77 (0.55 - 1.09)
   $20,000 or more not further stated 9.1 (7.7 - 10.6) 11.8 (8.8 - 14.8) 1.11 (0.74 - 1.67)
   $20,000 - $44,999 26.2 (24.3 - 28.1) 25.5 (21.7 - 29.3) 0.86 (0.62 - 1.20)
   $45,000 - $74,999 19.9 (18.0 - 21.7) 20.7 (17.1 - 24.2) 0.86 (0.62 - 1.19)
   $75,000 or more 17.8 (15.9 - 19.7) 21.6 (17.8 - 25.4) 1.00 (Reference)
   Not stated 5.0 (4.1 - 5.9) 4.5 (2.6 - 6.3) 0.75 (0.44 - 1.27)
Housing tenure       
   Owned or being bought 60.1 (58.0 - 62.2) 64.5 (60.4 - 68.6) (a)  
   Rented 36.7 (34.7 - 38.8) 33.2 (29.1 - 37.2)   
   Other 2.8 (2.1 - 3.5) 2.1 (0.9 - 3.2)   
   Not stated 0.4 (0.1 - 0.7) 0.3 (0 - 0.7)   
K6 level of psychological distress       
   0 - 2 52.5 (50.3 - 54.7) 66.8 (62.8 - 70.8) 1.00 (Reference)
   3 - 7 27.5 (25.5 - 29.6) 22.2 (18.6 - 25.7) 0.79 (0.64 - 0.97)
   8 - 12 12.6 (11.1 - 14.1) 5.9 (4.1 - 7.7) 0.52 (0.38 - 0.72)
   13 - 24 6.5 (5.5 - 7.5) 4.5 (2.8 - 6.1) 0.62 (0.42 - 0.92)
   Not stated 0.9 (0.5 - 1.3) 0.6 (0.0 - 1.3) 0.56 (0.19 - 1.63)
  1. (a) Variable not significantly associated with successful quitting status, and eliminated from final model