Poor comprehension of colon preparation process in an Appalachian population

Figures & data

Table

Water	Chicken noodle soup	Whole milk
Cereal	Vegetable soup	Pizza
Crackers	Tomato soup	Grape
		Popsicle^®
Coffee	Bread	Ice cream
Eggs	Fruit	Skim milk
Fish Sandwich	Jello^®	Beer
Pudding	Coke^®/Pepsi^®	Tea
Orange juice	Sprite^®	Spaghetti

Table 1 Phase I demographics and clear liquid selection accuracy

	Patients (n = 50)	Companions (n = 50)	Totals (n = 100)
Mean age	54	50	52
Male gender %	34	50	42
Education years %
≤12	56	57	56
>12	44	43	43
Reported understanding of instructions %	100	46	73
≥80% correct	6%	10%	8%

Table 2 Phase II demographics and clear liquid selection accuracy

	Patients (n = 50)	Companions (n = 50)	Totals (n = 100)
Mean age	56	49	52
Male gender %	46	40	43
Education years %
≤12	63	66	64
>12	37	34	35
Reported understanding of instructions %	96	62	79
≥80% correct	12%	10%	11%

Table 3 Phase III demographics and clear liquid selection accuracy

	Patients (n = 50)	Companions (n = 50)	Totals (n = 100)
Mean age	55	50	52
Male gender %	40	39	39
Education years %
≤12	64	55	56
>12	36	45	40
Reported understanding of instructions %	98	54	76
≥80% correct	16%	12%	14%

Table 4 Comparison of patient clear liquid selection accuracy from 3 phases

Phases compared	≥80% correct	<80% correct	OR (95% CI),Pvalue
II	6	44	2.13 (0.50, 9.06), 0.27
I	3	47
III	8	42	2.98 (0.74, 11.98), 0.11
I	3	47
II	6	44	0.71 (0.22, 2.23), 0.56
III	8	42

Table 5 Comparison of companion clear liquid selection accuracy from 3 phases

Phases compared	≥80% correct	<80% correct	OR (95% CI),Pvalue
II	5	45	1 (0.27, 3.69), NA
I	5	45
III	6	44	1.22 (0.35, 4.31), 0.11
I	5	45
II	5	45	0.81 (0.23, 2.86), 0.11
III	6	44

Table 6 Multivariate analyses of predictors of clear liquid selection accuracy of ≥80% by patients

	OR (95 CI)			Pvalue
Education	1.750	0.575	5.324	0.3245
Age	1.020	0.977	1.065	0.3712
Gender	0.893	0.296	2.696	0.8408
Had procedure	0.493	0.157	1.548	0.2256

Table 7 Multivariate analyses of predictors of clear liquid selection accuracy of ≥80% by companions

	OR (95 CI)			Pvalue
Education	1.496	0.523	4.276	0.4525
Age	0.998	0.963	1.033	0.9013
Gender	0.816	0.279	2.385	0.7102