For questions 54-60, refer to the following study and the accompanying SAS output:A study was conducted on 60 patients to examine the analgesic effects of treatments on elderly patients with neuralgia. Two test treatments and a placebo were compared. The response variable is whether the patient reported pain or not. Researchers recorded the following variables:

PAIN: patient reported pain (1=yes, 0=no) TX: treatment (2=test treatment A, 1=test treatment B, 0=placebo) AGE: age of the patient when the treatment began (in years) SEX:sex (1=male, 0=female) DURATION: duration of complaint before the treatment began (in months) Testing Global Null Hypothesis: BETA=0 Test Chi-Square DF Pr > Chisq Likelihood Ratio 32.7675 score 25. 6666 wald 14.4512 0. 9130 Type 3 Analysis of Effects wald Effect OF Chi-Square Pr > Chisq tx 12.5310 0.0019 age 7.2977 8.8069 PPPN sex 5.2946 0. 0214 duration 0.0315 0. 8591 Analysis of Maximum Likelihood Estimates Standard wald Parameter OF Estimate Error Chi -Square Pr > chisq Intercept 1 -17.4866 6.6914 6.7669 8.8093 tx 1 -3.7085 1.1487 10.5780 8.8011 tx 1 -3. 1817 1.0161 9. 8049 8.8017 age 1 0. 2621 0. 0970 7.2977 9.8069 sex 1 1.8322 8.7963 5. 2946 8.0214 duration 0.00586 0. 0336 0. 0315 8.8591 Odds Ratio Estimates Point 95% Wald Effect Estimate Confidence Limits Ex 1 vs 0.803 8.229 tx e.006 9.304 age 1.075 1.572 sex 1 vs e 1.312 29.750 duration 0.932 1.061