TABLE 4.

Mixed Model or GEE Analysis Results of P/C Outcomes for Differences by Group Over Time

Outcome	Variable	Group Level	Time Level	LS Mean	SE	F	P
Self-reported smoking abstinence, %	Race	—	—	—	—	2.64	.11
	Sex	—	—	—	—	0.05	.82
	Group	Intervention	—	23.6	4.9	8.32	.005
		Control	—	6.2	5.4
	Time	—	EOT, year 2	2.9	4.8	27.76	<.001
			Year 4	2.7	4.7
	Group × time	Intervention	EOT, year 2	6.5	5.7	4.82	.03
			Year 4	40.6	5.7
		Control	EOT, year 2	0.0	6.5
			Year 4	13.2	6.4
Cotinine, geometric mean	Race	—	—	—	—	0.00	.95
	Sex	—	—	—	—	1.60	.21
	Group	Intervention	—	137.7	1.3	3.03	.08
		Control	—	258.2	1.4
	Time	Baseline	Baseline	230.3	1.3	2.43	.09
		EOT, year 2	EOT, year 2	154.1	1.3
		Year 4	Year 4	189.0	1.3
	Group × time	Intervention	Baseline	239.9	1.3	5.72	.004
			EOT, year 2	99.3	1.4
			Year 4	109.6	1.4
		Control	Baseline	221.1	1.4
			EOT, year 2	239.0	1.4
			Year 4	325.8	1.4
Benowitz cotinine-based tobacco exposure (exposed or smoker), %	Race	—	—	—	—	0.01	.90
	Sex	—	—	—	—	3.35	.07
	Group	Intervention	—	91.1	3.4	1.69	.20
		Control	—	96.9	3.9
	Time	Baseline	Baseline	96.9	3.4	1.23	.29
		EOT, year 2	EOT, year 2	91.7	3.6
		Year 4	Year 4	93.3	3.7
	Group × time	Intervention	Baseline	100.0	4.0	5.95	.003
			EOT, year 2	87.6	4.4
			Year 4	85.2	4.4
		Control	Baseline	93.4	4.8
			EOT, year 2	95.8	5.0
			Year 4	100.0	5.1

LS, Least Squares; —, not applicable.