Risk Behavior | Referral Program % (n) | Control % (n) | Risk Ratio (95% CI) | Adjusted Relative Risk (95% CI)^{a} |
---|---|---|---|---|

Note: Percentage of patients with specified risk behavior that attended a referral program and adjusted relative risks for referral program and control groups. Numbers in parentheses are denominators for comparisons (intention to treat). Risk ratios and 95% confidence intervals computed with logistic regression; odds ratios converted to relative risk ratios by method of Zhang and Yu.^{33} Comparison for “any risk behavior” evaluated with 2-sample test of proportions. For comparisons of “any risk behavior,” control group patients can contribute denominator data for multiple risk behaviors. | ||||

CI=confidence interval. | ||||

^{a} Adjusted for age, sex, race/ethnicity, and baseline health status. | ||||

Smoking | 75.3 (93) | 28.6 (81) | 2.25 (1.76–2.62) | 2.23 (1.52–2.78) |

Alcohol | 0 (3) | 0 (45) | – | – |

Diet | 60.6 (66) | 22.3 (224) | 2.30 (1.71–2.03) | 1.93 (1.25–2.60) |

Physical activity | 75.0 (16) | 26.3 (44) | 2.72 (1.61–3.34) | 2.02 (0.68–3.17) |

Any risk behavior | 67.4 (177) | 21.8 (394) | <.001 | – |