Table 1.

Sample characteristics as a function of wave 3 smoking status in SCS-I

Never smokersFormer smokersCurrent smokers
Total N = 2,938n = 1,457 (49.6%)n = 1,209 (41.2%)n = 272 (9.3%)
n(%)/M(SD)n(%)/M(SD)n(%)/M(SD)n(%)/M(SD)χ2/F testP
Sociodemographic variables
Race
 Caucasian/White2,700 (91.9)1,326 (91.0)1,125 (93.1)249 (91.5)χ2(4, 2,937) = 8.50.075
 African-American/Black175 (6.0)91 (6.2)63 (5.2)21 (7.7)
 Other62 (2.1)39 (2.7)21 (1.7)2 (0.7)
Gender
 Male1,175 (40.0)438 (30.1)626 (51.8)111 (40.8)χ2(2, 2,938) = 129.90.000
 Female1,763 (60.0)1,019 (69.9)583 (48.2)161 (59.2)
Education
 High school or less973 (33.1)440 (30.2)421 (34.8)112 (41.2)χ2(2, 2,928) = 16.30.000
 Post-secondary1,955 (66.5)1,013 (69.5)787 (65.1)155 (57.0)
Marital status
 Not married848 (28.9)408 (28.0)345 (28.5)95 (34.9)χ2(2, 2,935) = 5.40.067
 Married2,087 (71.0)1,047 (71.9)863 (71.4)177 (65.1)
Income
 Less than $19,999331 (11.3)154 (10.6)121 (10.0)56 (20.6)χ2(6, 2,492) = 38.00.000
 $20,000–$39,999559 (19.0)253 (17.4)248 (20.5)58 (21.3)
 $40,000–$74,999842 (28.7)399 (27.4)363 (30.0)80 (29.4)
 $75,000 or more760 (25.9)412 (28.3)300 (24.8)48 (17.6)
Age65.5 (11.1)64.4a (11.7)67.7b (10.9)61.8c (8.8)F(2, 2,937) = 45.80.000
Cancer-related variables
SEER stage
In situ77 (2.6)24 (1.6)39 (3.2)14 (5.1)χ2(6, 2,938) = 15.90.014
 Localized1,990 (67.7)988 (67.8)829 (68.6)173 (63.6)
 Regional697 (23.7)356 (24.4)273 (22.6)68 (25.0)
 Distant174 (5.9)89 (6.1)68 (5.6)17 (6.2)
Cancer recurrence in the past 5 years
 Yes214 (7.3)90 (6.2)96 (7.9)28 (10.3)χ2(2, 2,938) = 7.10.029
 No2,724 (92.7)1,367 (93.8)1,113 (92.1)244 (89.7)
Cancer metastasized in the past 5 years
 Yes98 (3.3)47 (3.2)37 (3.1)14 (5.1)χ2(2, 2,938) = 3.10.212
 No2,840 (96.7)1,410 (96.8)1,172 (96.9)258 (94.9)
New cancer diagnosis in the past 5 years
 Yes236 (8.0)104 (7.1)111 (9.2)21 (7.7)χ2(2, 2,938) = 3.80.152
 No2,702 (92.0)1,353 (92.9)1,098 (90.8)251 (92.3)
Cancer treatment in the past 5 years
 Yes551 (18.8)243 (16.7)253 (20.9)55 (20.2)χ2(2, 2,938) = 8.20.016
 No2,387 (81.2)1,214 (83.3)956 (79.1)217 (79.8)
Cancer smoking related
 Yes830 (28.3)344 (23.6)404 (33.4)82 (30.1)χ2(2, 2,938) = 31.90.000
 No2,108 (71.7)1,113 (76.4)805 (66.6)190 (69.9)
Years since diagnosis8.9 (0.7)8.9 (0.7)8.9 (0.7)9.0 (0.7)F(2, 2,937) = 1.90.094
Other health-related variables
Mental health treatment in the past 5 years
 Yes624 (21.2)276 (18.9)264 (21.8)84 (30.9)χ2(2, 2,938) = 20.00.000
 No2,314 (78.8)1,181 (81.1)945 (79.2)188 (69.1)
Alcohol abuse treatment in the past 5 years
 Yes8 (0.3)2 (0.1)3 (0.2)3 (1.1)χ2(2, 2,938) = 7.90.019
 No2,930 (99.7)1,455 (99.9)1,206 (99.8)269 (98.9)
Alcohol frequency
 1 d/wk or less2,138 (72.7)1,163 (79.8)790 (65.3)185 (68.0)χ2(2, 2,915) = 72.30.000
 2 d/wk or more777 (26.4)285 (19.6)407 (33.7)85 (31.3)
Alcohol quantity
 None1,210 (41.2)700 (48.0)417 (34.5)93 (34.2)χ2(4, 2,887) = 117.00.000
 1 drink/d980 (33.4)495 (34.0)418 (34.6)67 (24.6)
 2 or more drinks/d697 (23.7)238 (16.3)351 (29.0)108 (39.7)
Physical functioning46.4 (10.4)47.5a (10.1)45.6b (10.2)43.9c (11.6)F(2, 2,937) = 20.710.000
Comorbid conditions2.5 (2.1)2.4a (2.1)2.7b (2.1)2.4a,b (2.1)F(2, 2,937) = 8.840.000
BMI28.7 (6.1)28.8a (6.6)28.8a (5.7)27.3b (5.5)F(2, 2,893) = 7.560.001

NOTE: Means with different subscripts differ significantly at P = 0.05 with Bonferroni correction (and means sharing a subscript do not differ significantly). Subtotals may not equal actual totals due to exclusion of respondents missing data on a particular characteristic.