Table 8

Determinants for the practice of prescribing mammography for women 35 to 49 years of age with risk factors and women 70 years of age and older without good life expectancy (correlation and logistic regression)

VARIABLE^*	SPEARMAN RANK CORRELATION COEFFICIENT	LOGISTIC REGRESSION
VARIABLE^*	SPEARMAN RANK CORRELATION COEFFICIENT	OR	CI 95%
Women 35–49 y with risk factors (P < .0001 for the model)
• Attitude	0.354^†	2.262^‡	1.157–4.411
• Skills	0.290^†	1.354^§	1.116–1.663
• Peer support	0.290^†	2.202^‡	1.167–4.142
• Belief in efficacy	0.300^†	2.816^†	1.572–5.162
• No. of women 35–49 y	0.152^§	1.051^‡	1.009–1.097
• Group practice	0.132^§	1.011^‡	1.001–1.021
• Knowledge	0.171^†	NS	NA
• Age of physician	0.102^‡	NS	NA
• Sex of physician^\|\|	NS	NS	NA
Women ≥ 70 y without good life expectancy (P < .0001 for the model)
• Attitude	0.393^†	4.279^†	2.534–7.623
• Skills	−0.232^†	0.783^‡	0.624–0.974
• Nonclinical activities	0.144^§	1.117^‡	1.032–1.260
• Peer support	0.383^†	NS	NA
• Belief in efficacy	−0.247^†	NS	NA
• Knowledge	−0.160^§	NS	NA
• Age of physician	−0.165^§	NS	NA
• Sex of physician^\|\|	NS	NS	NA

NA—not applicable, NS—not significant (P > .05), OR—odds ratio.
↵* Variables adjusted for age and sex in the multivariate analysis.
↵† P < .001.
↵‡ P < .05.
↵§ P < .01.
↵|| Mann-Whitney test performed bivariately.