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. Author manuscript; available in PMC: 2017 Oct 19.
Published in final edited form as: Am J Addict. 2009 Sep-Oct;18(5):386–392. doi: 10.3109/10550490903077747

TABLE 3.

Smoking behavior and psychiatrists’ recommendation of smoking aids at each time point

Six months before 5 A’s Baseline After six months of 5 A’s Pre/baseline vs. six months statistic (df *) p value After 12 months of 5 A’s Pre/baseline vs. 12 months statistic (df*) p value
Smoked in past seven day (%Yes) 99.32% (147/148) 98.59% (280/284) 95.87% (232/242) X2(1) = 3.13 p = .076 94.07% (111/118) X2(1) = 5.32 p = .021
How many cigarettes smoked in a typical week Mean (SD) 137.71 (81.70) (N = 148) 130.55 (85.37) (N = 283) 126.65 (84.66) (N = 242) F (1,504) = 4.35 p = .04 125.02 (91.95) (N = 118) F (1,543) = 3.98 p = .047
Recent abstinence from smoking: carbon monoxide (ppm < 10,%Yes) 19.59% (29/148) 21.20% (60/283) 18.67% (45/241) X2(1) = 0.00 p = .97 23.73% (28/118) X2(1) = 2.34 p = .13
At last visit, psychiatrist recommended oral prescription medication for smoking cessation: (% Yes) 2.07% (3/145) 3.99% (11/276) 9.78% (22/225) X2(1) = 10.73 p = .001 12.96% (14/108) X2(1) = 10.03 p = .002
At last visit, psychiatrist recommended nicotine replacement products (% Yes) 4.14% (6/145) 7.61% (21/276) 15.56% (35/225) X2(1) = 15.41 p < .001 24.3% (26/107) X2(1) = 15.75 p <.001
At last visit, psychiatrist recommended group therapy (%Yes) 5.52% (8/145) 5.8% (16/276) 11.56% (26/225) X2(1) = 6.48 p = .01 16.67% (18/108) X2(1) = 8.71 p = .003

Six months before 5 A’s (pre): Delayed intervention first interview (n = 148).

Baseline: Delayed intervention second interview (n = 128) and Immediate intervention 1st interview (n = 156).

After six months of 5 A’s: Delayed intervention third interview (n = 115) and Immediate intervention second interview (n = 127).

After 12 months of 5 A’s: Immediate intervention third interview (n = 119).

*

Kenward/Rogers degree of freedom approximation used for continuous variables.