Table 2b.

Mean Allostatic Load z-score (zAL) by Selected Baseline Characteristics

Characteristic	zAL, x (S.D.)	p-value
Age, (n)		0.160
<=59 (102)	1.46 (3.93)
>59 (111)	0.93 (3.85)
Education level (n)		0.731
≤ High school (17)	1.01 (2.88)
High school/some college (109)	1.55 (3.92)
≥ College (86)	0.72 (4.02)
Marital status (n)		0.494
Single/Never married (64)	2.03 (4.07)
Married/Living with partner (56)	0.97 (4.16)
Divorced/Separated/Widowed (93)	0.74 (3.55)
Smoking (n) *		0.024
Current smoker (30)	1.91 (3.70)
Former smoker (71)	1.69 (4.08)
Never smoker (112)	0.66 (3.77)
Time spent-walking (min/week), (n)		0.443
<=20.0 (121)	1.34 (3.89)
>20.0 (92)	0.98 (3.89)
Family history of breast cancer (n)*		0.049
Yes (85)	1.76 (4.05)
No (128)	0.80 (3.74)
Absolute 5-year risk of breast cancer (n)		0.699
<=1.586 (101)	1.26 (3.85)
>1.586 (112)	1.11 (3.94)
Mammography screening (ever) (n)		0.821
Yes (194)	1.17 (3.84)
No (19)	1.26 (4.45)
History of hypertension, (n) **		<0.001
Yes (130)	1.89 (3.83)
No (83)	–0.01 (3.70)
History of hypercholesterolemia (n)		0.988
Yes (69)	0.92 (3.10)
No (144)	1.30 (4.21)
History of menopausal symptoms (n)		<0.001
Yes (179)	0.73 (3.62)
No (34)	3.56 (4.44)

^*P < .05

^**P<.001

P-values based on two-sample t-test or one-way ANOVA.