Table 3.

Intra-FHT and intraprovider variation in the delivery of EBSCTs

VARIABLE	INTRA-FHT^*			INTRAPROVIDER^†
VARIABLE	σ^{2_μ0^‡}	ICC	P VALUE	σ^{2_μ0^‡}	ICC	P VALUE
Index visit
• Ask	0.23 (0.07)	0.1	< .01	0.23 (0.06)	0.12	< .001
• Advise	0.40 (0.11)	0.1	< .01	0.14 (0.06)	0.14	< .05
• Assist	0.21 (0.07)	0.1	< .01	0.23 (0.07)	0.12	< .01
• Set quit dates	0.01 (0.05)	0.1		0.33 (0.13)	0.10	< .01
• Discuss medications	0.19 (0.07)	0.1	< .01	0.25 (0.08)	0.12	< .01
• Prescribe medications	0.12 (0.07)	0.0	NS	0.21 (0.13)	0.09	NS
• Provide self-help	0.46 (0.14)	0.1	< .01	0.25 (0.11)	0.18	< .05
• Arrange follow-up	0.00 (0.00)	0.0	NS	0.12 (0.01)	0.04	< .001
Previous 12 mo
• Advise	0.11 (0.05)	0.0	< .05	0.21 (0.08)	0.09	< .01
• Assist	0.11 (0.05)	0.0	< .05	0.18 (0.07)	0.08	< .01
• Set quit date	0.20 (0.24)	0.1	NS	0.70 (0.32)	0.22	< .05
• Discuss medications	0.06 (0.04)	0.0	NS	0.16 (0.06)	0.06	< .01
• Prescribe medications	0.04 (0.03)	0.0	NS	0.07 (0.07)	0.03	NS
• Provide self-help	0.05 (0.04)	0.0	NS	0.32 (0.08)	0.10	< .001

EBSCT—evidence-based smoking cessation therapy, FHT—family health team, ICC—intraclass correlation coefficient, NS—not significant.
↵* Variation between FHTs sampled.
↵† Variation between providers within the same FHT.
↵‡ Variance.