Table 3.

Univariate analyses of variables assessed for odds of declining enrollment

Variable	Odds ratio (95 % confidence interval)	P-value
Age (1-year increase)*	1.03 (1.00, 1.07)	0.03
Gender (female vs male)**	1.94 (1.06, 3.59)	0.03
Cancer (lung vs pancreas)	1.48 (0.73, 3.26)	0.29
Fatigue (one-unit increase)	1.00 (0.87, 1.14)	0.94
Pain (one-unit increase)	0.96 (0.84, 1.08)	0.49

*Older patients are 3 % more likely than younger patients to decline enrollment with each year of advancing age.

**Women have a 94 % increased likelihood of declining study participation than men.