The SCIDOTS Project: Evidence of benefits of an integrated tobacco cessation intervention in tuberculosis care on treatment outcomes

Table 2 Smoking history and baseline smoking-related characteristics of the study participants (N = 86)

Characteristic	Comparison Group (DOTS only) (n = 46)	Intervention Group (DOTS + SCI) (n = 40)	p-value^a
Smoking habits/history
• Mean age when began smoking (years)	17.37 ± 3.55	16.88 ± 4.31	0.561
• Mean duration of smoking (years)	28.63 ± 13.25	24.80 ± 13.49	0.188
• Mean cigarettes per day	16.70 ± 9.62	16.02 ± 8.54	0.735
Mean FTND score	5.43 ± 1.96	4.32 ± 2.26	0.017
Nicotine dependence at enrolment, no. (%)			0.048^b
• High (7-10)	15 (32.6%)	8 (20.0%)
• Moderate (4-6)	25 (54.3%)	18 (45.0%)
• Minimal (less than 4)	6 (13.0%)	14 (35.0%)
Previous attempt to quit, no. (%)	18 (39.1%)	21 (52.5%)	0.214^b
Mean breath CO (ppm)	7.61 ± 3.61	5.93 ± 2.83	0.020
Mean WSWS score	53.09 ± 10.69	56.00 ± 12.42	0.246

^aIndependent t-test was applied in calculating p-values; ^bChi-square (χ²) test.
DOTS = directly observed therapy short-course; FTND = Fagerström test for nicotine dependence; SCI = smoking cessation intervention; WSWS = Wisconsin smoking withdrawal scale

ISSN: 1747-597X