. Author manuscript; available in PMC: 2020 Feb 1.

Published in final edited form as: J Acquir Immune Defic Syndr. 2019 Feb 1;80(2):e36–e40. doi: 10.1097/QAI.0000000000001895

Table 2.

Multiple linear regression model of factors associated with the nicotine metabolite ratio.

Variable	b	95% CI	p
Race	0.079	[−0.082, 0.212]	0.383
FTCD	0.060	[−0.018, 0.036]	0.514
Anxiety Symptoms	0.191	[0.000, 0.035]	0.054
Depression Symptoms	0.026	[−0.021, 0.028]	0.787
Cigarettes Per Day in Past 7 Days	0.188	[0.000, 0.016]	0.050
Breath Carbon Monoxide	0.067	[−0.003, 0.008]	0.448
Efavirenz Use	0.221	[0.043-0.314]	0.010

Note. FTCD = Fagerström Test for Cigarette Dependence.