Table 6.

Acute Escalations of Growth Curve Models by Withdrawal Symptoms, Quitters Only, Men's and Women's Studies Combined

Withdrawal Symptoms Present	Estimate	95% CI	p
Intercept	−2.389	−3.061 , −1.767	<.001
Post-abstinence immediate change	−0.581	−1.168 , 0.025	.052
Pre-abstinence change over time	0.099	−0.147 , 0.350	.427
Post-abstinence change over time	0.005	−0.030 , 0.041	.768
Intercept variance	1.023	0.525 , 2.086
Withdrawal Symptoms Absent
Intercept	−1.965	−2.499 , −1.466	<.001
Post-abstinence immediate change	−0.864	−1.374 , −0.349	.001
Pre-abstinence change over time	0.084	−0.109 , 0.279	.388
Post-abstinence change over time	−0.122	−0.169 , −0.078	<.001
Intercept variance	0.827	0.425 , 1.657

Note. See Table 2 footnote for additional information on growth-curve model terms.