| Odds of initiation (OR, (95% CI)) | 2002-2003 | 2010-2011 | Odds of cessation (OR, (95% CI)) | 2002-2003 | 2010-2011 | Odds of relapse (OR, (95% CI)) | 2002-2003 | 2010-2011 | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Characteristics | 2002-2003 (N = 146) | 2010-2011 (N = 203) | χ 2 | p-value | χ 2 | p-value | 2002-2003 (N = 596) | 2010-2011 (N = 625) | χ 2 | p-value | χ 2 | p-value | 2002-2003 (N = 220) | 2010-2011 (N = 184) | χ 2 | p-value | χ 2 | p-value |
Gender | Â | Â | 46.3 | 0.0002 | 46.33 | <0.0001 | Â | Â | 0.95 | 0.3289 | 0.0438 | 0.8343 | Â | Â | 2.52 | 0.1123 | 0.06 | 0.8097 |
Male | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â |
Female | 0.66(0.53, 0.84)* | 0.53(0.44, 0.64)* | Â | Â | Â | Â | 1.07 (0.93, 1.23) | 1.01 (0.91, 1.12) | Â | Â | Â | Â | 1.14 (0.96, 1.35) | 0.98 (0.82, 1.16) | Â | Â | Â | Â |
Age | Â | Â | 40.6 | <0.0001 | 40.59 | <0.0001 | Â | Â | 18.86 | <0.0001 | 45.12 | <0.0001 | Â | Â | 257.17 | <0.0001 | 150.11 | <0.0001 |
18-29 | 2.11(1.66, 2.67)* | 1.90(1.53, 2.35)* | Â | Â | Â | Â | 1.38 (1.17, 1.63)* | 1.71 (1.42, 2.06)* | Â | Â | Â | Â | 5.66 (4.49, 7.14)* | 4.42 (3.36, 5.82)* | Â | Â | Â | Â |
30-44 | 1.61(1.29, 2.02)* | 1.66(1.35, 2.04)* | Â | Â | Â | Â | 1.26 (1.09, 1.46)* | 1.38 (1.22, 1.56)* | Â | Â | Â | Â | 1.65 (1.34, 2.03)* | 2.47 (2.01, 3.03)* | Â | Â | Â | Â |
45+ | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â |
Race | Â | Â | 27.6 | 0.0001 | 29.5 | <0.0001 | Â | Â | 26.59 | <0.0001 | 39.3 | <0.0001 | Â | Â | 2.88 | 0.41 | 11.83 | 0.008 |
NHW | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â |
NHB | 1.42(1.04, 1.93)* | 1.05(0.84, 1.33) | Â | Â | Â | Â | 1.49 (1.18, 1.87)* | 1.41 (1.18, 1.69)* | Â | Â | Â | Â | 1.07 (0.66, 1.74) | 1.33 (0.94, 1.87) | Â | Â | Â | Â |
Hispanic | 1.19(0.81, 1.74) | 0.69(0.50, 0.96)* | Â | Â | Â | Â | 1.65 (1.26, 2.15)* | 1.62 (1.33, 1.98)* | Â | Â | Â | Â | 0.67 (0.42, 1.07) | 1.54 (1.16, 2.04)* | Â | Â | Â | Â |
Other | 0.31(0.17, 0.56)* | 0.31(0.19, 0.51)* | Â | Â | Â | Â | 1.62 (1.20, 2.18)* | 1.51 (1.21, 1.89)* | Â | Â | Â | Â | 0.90 (0.56, 1.45) | 0.70 (0.42, 1.19) | Â | Â | Â | Â |
Marital status | Â | Â | 56.1 | <0.0001 | 56.15 | <0.0001 | Â | Â | 40.51 | <0.0001 | 34.57 | <0.0001 | Â | Â | 1.52 | 0.2176 | 69.95 | <0.0001 |
Married | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â |
Unmarried | 1.66(1.28, 2.14)* | 1.96(1.65, 2.34)* | Â | Â | Â | Â | 0.68 (0.61, 0.77)* | 0.71 (0.63, 0.79)* | Â | Â | Â | Â | 0.86 (0.69, 1.09) | 2.11 (1.77, 2.51)* | Â | Â | Â | Â |
Education | Â | Â | 123.2 | 0.0002 | 126.4 | <0.0001 | Â | Â | 31.88 | <0.0001 | 50.69 | <0.0001 | Â | Â | 27.42 | <0.0001 | 6.15 | 0.0461 |
< High school | 1.58(1.17, 2.13)* | 3.39(2.52, 4.56)* | Â | Â | Â | Â | 1.59 (1.35, 1.87)* | 0.68 (0.56, 0.82)* | Â | Â | Â | Â | 1.95 (1.43, 2.66)* | 1.30 (1.03, 1.65)* | Â | Â | Â | Â |
High school degree/GED | 1.09(0.85, 1.38) | 2.85(2.34, 3.48)* | Â | Â | Â | Â | 0.95 (0.84, 1.07) | 0.62 (0.55, 0.71)* | Â | Â | Â | Â | 1.78 (1.46, 2.17)* | 1.17 (0.96, 1.43) | Â | Â | Â | Â |
> High school | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â | 1 | 1 | Â | Â | Â | Â |
Smoker Type | Â | Â | Â | Â | Â | Â | Â | Â | 444.44 | <0.0001 | 101.38 | <0.0001 | Â | Â | Â | Â | Â | Â |
Daily heavy | - | - | Â | Â | 1 | 1 | Â | Â | Â | Â | - | - | Â | Â | Â | Â | ||
Daily light | - | - | Â | Â | 1.79 (1.55, 2.07)* | 1.21 (1.04, 1.40)* | Â | Â | Â | Â | - | - | Â | Â | Â | Â | ||
Non-daily | - | - | Â | Â | 5.11 (4.39, 5.95)* | 2.11 (1.81, 2.46)* | Â | Â | Â | Â | - | - | Â | Â | Â | Â |