Relationships among Self-Efficacy, Quality of Life, Perceived Vulnerability, and Readiness to Quit Smoking in People Living with HIV

Table 2

Quadratic effects of perceived vulnerability, self-efficacy, and quality of life on a continuous measure of readiness to quit smoking.

	β	95% CI
Intercept	-1.759	(-15.203, 11.685)	0.799
Past quit attempts	0.184	(-0.076, 0.444)	0.170
Gender	-0.014	(-1.436, 1.409)	0.985
Non-Hispanic White	-0.529	(-1.922, 0.863)	0.458
Education	-0.394	(-1.775, 0.986)	0.577
FTCD	0.124	(-0.191, 0.438)	0.443
Perceived vulnerability (linear effect)	0.002	(-0.031, 0.027)	0.899
Perceived vulnerability^1 (quadratic effect)	0.000	(-0.000, 0.000)	0.701
Self-efficacy (linear effect)	0.510	(0.132, 0.889)
Self-efficacy^1 (quadratic effect)	-0.010	(-0.018, -0.002)
Quality of life (linear effect)	0.045	(-0.492, 0.583)	0.870
Quality of life^1 (quadratic effect)	-0.001	(-0.006, 0.005)	0.796

Note. ¹ = squared term. FTCD = Fagerström Test for Cigarette Dependence.