Table 3.

Decomposition of total effects of county groups into direct and indirect effects using the Karlson, Holm, and Breen method at baseline and follow-up in the Norwegian Women and Cancer Study

County groups		Baseline data		Imputed data
		Coefficient (95% CI)	p-value	Coefficient (95% CI)	p-value
Low incidence	(base outcome)	–	–	–	–
Mid-low incidence
	Reduced model	0.252 (0.040, 0.463)	0.020	0.198 (0.021, 0.375)	0.028
	Full model	0.253 (0.041, 0.465)	0.019	0.205 (0.028, 0.383)	0.023
	Difference	−0.001 (−0.018, 0.016)	0.880	−0.007 (−0.022, 0.007)	0.316
Mid-high incidence
	Reduced model	0.317 (0.109, 0.526)	0.003	0.268 (0.095, 0.442)	0.002
	Full model	0.321 (0.113, 0.530)	0.003	0.277 (0.103, 0.451)	0.002
	Difference	−0.004 (−0.024, 0.016)	0.690	−0.009 (−0.026, 0.008)	0.228
High incidence
	Reduced model	0.409 (0.175, 0.642)	0.001	0.342 (0.150, 0.535)	<0.001
	Full model	0.388 (0.152, 0.624)	0.001	0.323 (0.129, 0.518)	0.001
	Difference	0.021 (−0.016, 0.057)	0.263	0.019 (−0.013, 0.048)	0.253

Abbreviation: CI, confidence interval.