Table 1.

Demographics and lifestyle characteristics among NPAAS participants (primary study, n = 450; reliability study, n = 88) collected at WHI (1994–1998) or NPAAS (2007–2009) baseline

Characteristicn (%)
Age,a y
 60–6479 (17.5)
 65–69165 (36.7)
 70–74110 (24.4)
 75–7959 (13.1)
 ≥8037 (8.2)
BMIa
 <18.5 kg/m29 (2)
 18.5–24.9 kg/m2143 (31.8)
 25.0–29.9 kg/m2125 (27.8)
 ≥30 kg/m2173 (38.4)
Race/ethnicity
 Non-Hispanic white288 (64)
 African American84 (18.6)
 Hispanic64 (14.2)
 Asian/Pacific Islander8 (1.8)
 Other6 (1.3)
Annual income
 <$20,00043 (9.9)
 $20,000–$49,999176 (40.6)
 ≥$50,000215 (49.5)
Education level
 None to some high school16 (3.6)
 High school graduate48 (10.7)
 Some college157 (35.1)
 College graduate or higher226 (50.6)
Smoking status
 Current21 (4.7)
 Former or never424 (95.3)
Recreational physical activity (metabolic equivalents/wk)
 <5111 (25.0)
 5–19.9190 (42.8)
 ≥20.0143 (32.2)
Meals eaten at homeb (%)
 <75.0103 (22.9)
 75.0–94.9264 (58.7)
 ≥95.083 (18.4)
  • aAge and BMI were collected at NPAAS baseline, whereas all other variables were obtained at WHI baseline.

  • bMeasured by 4DFR.