TABLE 1.

Characteristics of the sample for examination of the performance of the ASA24 and AMPM relative to true (observed) intakes (n = 81)¹

	ASA24(n = 40)	AMPM(n = 41)	P value2
Sex (n)			0.91
Male	19	20
Female	21	21
Age range (n)			0.91
20–34 y	11	13
35–54 y	14	13
55–70 y	15	15
Race-ethnicity (n)			<0.01
White	27	14
Nonwhite	13	27
Income (n)			0.19
<$25,000	7	15
$25,000–$99,999	18	16
≥$100,000	13	10
Education (n)			0.03
<College graduate	11	23
College graduate	14	6
>College graduate	13	12
BMI			0.66
Normal	9	12
Overweight	13	15
Obese	16	13
Used vitamin or mineral supplements in past 12 mo			0.04
Yes	32	25
No	7	16

¹AMPM, Automated Multiple-Pass Method; ASA24, Automated Self-Administered 24-hour Recall.

²P values are for recall mode (ASA24 and AMPM) and were calculated by using a chi-square test.