Table 34. Yale Physical Activity Survey (YPAS)

Reference

Methods

Sample

Summary Results

Kruskall et al. 2004⁽⁶⁸⁾

Relationship between YPAS and derived energy expenditure due to physical activity (EEPA): Resting energy expenditure (REE) was determined using indirect calorimetry. Thermic effect of feeding (TEF) was estimated to be 10% of the Metabolizable Energy Intake (MEI). The EEPA was derived by the formula: EEPA=MEI-REE-TEF (ANOVA)

11 men and 17 women; 55 to 78 years of age

	*EEPA	*YPAS	*YPAS-EEPA	% diff
M	595±103	625±93	30±123	-7
F	412±68	565±63**	177±74	51
M&F	486±59	588±53	117±66	47

* in Kcals/d
** difference than EEPA p < 0.05
M = Male
F = Female

Summary Legend:
EEPA = Energy expenditure due to physical activity
REE = Resting energy expenditure
TEF = Thermic effect of feeding was estimated to be 10% of the
MEI = Metabolizable Energy Intake

The EEPA was derived by the formula: EEPA = MEI - REE - TEF

Resnicow et al. 2003⁽²¹⁾

Relationship between YPA Dimension indices (Leisurely Walking and Moving) and Estimated VO_{2 max} and BMI (Pearson Correlations)

138-African-American men and women (78% female) in the Healthy Body/Healthy Spirit Trial; 21-68 years of age

	VO_{2 max}	BMI
Women
--Leisurely walking	0.05	0.18
-Moving	0.04	-0.08
Men
--Leisurely walking	na	na
-Moving	0.16	0.16

all ns

Young et al. 2001⁽⁶⁹⁾

Relationship between YPAS and 7-day PA recall scores, VO_{2 max}, resting pulse rate, and body mass index (BMI).

59 individuals (45% African-American(AA), 79% women); 60-80 years of age

	YPAS Walking index
7-day PA recall scores
AA:
-Daily EE (kcals/y)	-0.12 (P=0.56)
-Light activity	-0.10 (P=0.64)
-moderate activity	0.09 (P=0.65)
Non-AA
Daily EE (kcals/y)	0.04 (P=0.83)
-Light activity	-0.17 (P=0.36)
-moderate activity	0.05 (P=0.80)

	YPAS Leisurely Walking index (units/month)
VO_{2 max}	0.10 (P=0.45)
Resting pulse Rate	-0.10 (P=0.47)
BMI	0.03 (P=0.80)

Schuler et al. 2001⁽⁷⁰⁾

Relationships between two administrations of YPAS and 3- or 7 day physical activity diaries; maximal oxygen consumption (VO_{2 max}) and sum of three skinfold measurements. (Spearman Correlation coefficients)

56 men and women; 56 to 86 years of age

	YPAS Walking Index (1st and 2nd Administration)
	1	2
PA diary
-MET/day	.06	.03
Skinfold
-Mm	.16	.07
VO_{2 max}	.07	.35

All ns

De Abajo et al. 2001⁽⁷¹⁾

Relationships between a Spanish version of the (YPAS) and Caltrac activity units, BMI, %BF, and weight (correlation coefficients)

108 (38 men and 70 women); 61-80 years of age

	YPAS Leisure Walking (units/month)
	R	p
Weight	0.03	0.771
BMI	0.05	0.658
%BF	0.30	0.003
Caltrac	0.26	0.013

Harada et al. 2001⁽²³⁾

Relationships between YPAS and Mini-logger Activity monitor (ML), a short physical performance battery (EPESE): lower body functioning (LBF), 6-minute walk (6M), BMI and self-report functioning/ well being measures: Physical functioning (PF), general health perceptions (GH), mental health (MH) and pain (P) (Pearson Correlations)

87 older adults; 61% Japanese American, 34% white, 5% African American; 65-89 years of age

	YPAS total score (All subjects)
ML-
ankle	0.46***
waist	0.52***
EPESE-
LBF	0.49**
6-M	0.58**
BMI	-0.10
PF	0.31**
GH	0.31**
MH	0.24*
P	0.23*

* p < 0.05 ** p < 0.01 *** p < 0.001

Summary Legend:
ML = Mini-logger activity monitor
EPESE = Short physical performance battery
LBF = Lower body functioning
6M = 6-minute walk
BMI = Self-report functioning/ well being measures
PF = Physical functioning
GH = General health perceptions
MH = Mental health
P = Pain

Dipietro et al. 1993⁽⁷²⁾

Relationships between YPAS and VO_{2 max}, body fat, Caltrac and BMI (Spearman rank correlation coefficients)

14 men and 11 women; 60-86 yrs

	YPAS Leisure Walk index (units/month)
	r	P-value
Est VO_{2 max}	0.11	0.62
Diastolic BP	0.02	0.90
BMI	-0.17	0.42
%BF	-0.19	0.35
Caltrac	0.31	0.18

-counts (2.5 weekdays)

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