Table 1.

Datasets and baseline characteristics

	EMPC/AS315	BA231	AS3111
N	2192	1989	868
Age ± SD (years)	64 ± 7	65 ± 7	65.6 ± 7
BMI ± SD	29.4 ± 5.9	29.9 ± 6.1	28.0 ± 6.1
TEXPWK2 (MET-hrs/wk)	9.7 ± 12.3	9.9 ±12.6	11.5 ±12.5
WHI study arm
Clinical Trial (CT)	2191	1546	412
Observational Study (OS)		443	456
Race/Ethnicity
Asian/Pacific Islander	133		15
Hispanic	318	402	25
Native American	51		1
Non-Hispanic Black	558	635	68
Non-Hispanic White	1097	952	749
Other	35		10
Education
No data	18	19	5
Less Than HS	82	96	7
High School or GED	517	539	188
Vocation Degree	263	274	99
Some College or Graduate	793	654	341
Post College Graduate	519	407	228
Income ($)
No data	124	119	55
≤19,999	460	589	148
20K-34,999	541	499	192
35K-49,999	414	366	174
50K-99,999	531	335	235
≥100K	122	81	64
SE index	5.4 ±1.6	5.1 ±1.6	5.7 ±1.5
(range)3	(1–11)	(1–10)	(1–11)
Smoking
No data	29	31	17
Never	1159	1048	389
Past	821	713	389
Current	183	197	73
CVD ever
No data	223	140	52
No	1687	1572	633
Yes	282	277	183
Hypertension ever
No data	18	24	1
No	1362	1092	558
Yes	812	873	309
Cancer ever
No data	24	14
No	2088	1867	868
Yes	80	108	0
Diabetes ever
No data		3
No	2018	1734	814
Yes	174	252	54
Hysterectomy ever
No	1201	1037	525
Yes	991	952	343

¹Excludes participants sampled in AS315.

²Total energy expenditure from recreational activity (TEXPWK or MET-hours/week).

³Computed as the average of education level (WHI EDUC variable ranging from 1 = “Didn’t go to school” to 11= “Doctoral degree”) and income (WHI INCOME variable ranging from 1 = “Less than $10,000” to 8 = “150,000 or more”).