Table 1.

Age-adjusted percentage of selected baseline and disease characteristics for each level of long-term (strenuous plus moderate) recreational physical activity among women diagnosed with invasive breast cancer from 1995-2004 in the California Teachers Study

Low, n (%)*Intermediate, n (%)*High, n (%)*
Race/ethnicity
    White463 (85.3)1,611 (90.5)1,099 (91.4)
    Non-white76 (14.7)175 (9.5)115 (8.6)
BMI (kg/m2)
    <25275 (51.1)969 (53.7)701 (57.6)
    25-29154 (28.8)503 (29.0)316 (26.2)
    ≥3073 (15.4)252 (14.4)144 (12.4)
    Unknown37 (4.7)62 (3.0)53 (3.9)
Total caloric intake (kcal)
    <1,271181 (33.6)554 (30.4)326 (26.2)
    1,271-1,682145 (28.2)529 (30.0)373 (32.4)
    >1,682137 (26.6)546 (31.8)419 (34.0)
    Unknown76 (11.6)157 (7.9)96 (7.3)
Estrogen receptor status
    Positive385 (71.2)1,283 (72.0)881 (73.0)
    Negative70 (14.1)245 (14.0)135 (10.9)
    Unknown84 (14.7)258 (14.0)198 (16.2)
Number of comorbid conditions
    0360 (69.7)1,376 (77.7)934 (77.4)
    1147 (25.7)362 (19.8)246 (19.9)
    ≥232 (4.6)48 (2.5)34 (2.8)
Disease stage
    Localized366 (66.1)1,207 (67.2)864 (71.5)
    Nonlocalized169 (33.2)562 (32.0)343 (27.9)
    Unknown4 (0.6)17 (0.8)7 (0.6)

NOTE: All assessments were completed at baseline prior to breast cancer diagnosis.

  • *Age-adjusted percents presented.

  • Based on self-reported personal history of stroke, heart attack/myocardial infarction, diabetes and high blood pressure.

  • Nonlocalized includes regional and metastatic disease.