Table 4.

Intervention effects at 12 months for key predictor variables

Predictor1 n = 665	Annual monthly mammography (n = 334)	Genetic testing BSE (n = 665)	Interest (n = 665)
Breast cancer knowledge change
High mean effect	16 %	9 %	–
Confidence Intervals	8–21**	3–11**
Low mean effect	9 %	4 %	–
Confidence intervals	4–18**	2–9*
Genetic testing knowledge change
High mean effect	–	–	−2.4
Confidence intervals	−1.3–5.8**
Low mean effect	–	–	−.3
Confidence intervals	1.2–1.8
Cancer worry change
High mean effect	−14 %	10 %	−1.4
Confidence intervals	−9–15*	5–17**	−.6- -2.8*
Low mean effect	−9 %	2 %	−1.3
Confidence intervals	−7–15*	.9–8	−.5–1.9
Dosage of intervention
Intensive mean effect	13 %	7 %	−1.3
Confidence intervals	6–29*	4–19*	−.6–2.1**
Minimal mean effect	11 %	6 %	−1.4
Confidence intervals	5–25*	3–16*	−.4–2.3**

*p < 0.05; **p < 0.01

¹Adjusted for age, race, education, income, medical risk, and time of recruitment