. 2019 Feb 20;8(1):e11938. doi: 10.2196/11938

Table 4.

Predictors of preference for the Revised form.

Predictor	Study 1 (N=154), odds ratio (95% CI)	Study 2 (N=206), odds ratio (95% CI)
Order (0=Current form first, 1=Revised form first)	3.49 (1.61-7.78)^a	0.707 (0.37-1.36)
Previous colonoscopy (0=yes, 1=no)	2.69 (1.16-6.42)^a	1.42 (0.72-2.81)
Gender (0=male, 1=female)	1.76 (0.81-3.74)	1.63 (0.84-3.14)
Age^b (0=44 years old or younger, 1=older than 44 years)	1.79 (0.85-3.93)	0.706 (0.36-1.39)
Education sum (0=older than 14 years, 1=14 years old or younger)	1.09 (0.50-2.26)	1.90 (0.99-3.64)
Language spoken at home (0=not English, 1=English)	1.67 (0.39-7.05)	1.82 (0.49-6.79)

^aItalicized values indicate that the CIs between groups do not overlap.

^bIn study 2, the median split for age used in regression was 0=58 years old or younger, 1=older than 58 years.