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. Author manuscript; available in PMC: 2018 Feb 5.
Published in final edited form as: Prev Med. 2017 Jul 29;103:43–48. doi: 10.1016/j.ypmed.2017.07.024

Table 1.

Characteristics of the study population, overall and by sex.

Overall weighted % Women weighted % Men weighted %
N 7478 4670 2808
Age in years
45–54 48% 46% 51%
55–64 32% 33% 30%
65–75 20% 21% 19%
Household Income
Less than $30,000 64% 66% 61%
$30,000 or more 30% 26% 34%
Not reported 6% 8% 4%
Educational attainment
< High school diploma/GED 38% 39% 37%
At most high school diploma/GED 22% 20% 24%
Beyond high school education 40% 40% 40%
BMI Classification
Underweight (BMI<18.5) 0% 1% 0%
Normal weight (18.5≤BMI<25) 17% 15% 18%
Overweight (25≤BMI<30) 41% 37% 45%
Obese (BMI≥30) 42% 47% 36%
Cardiovascular disease 9% 7% 12%
Diabetes 27% 28% 27%
Hypertension 47% 49% 45%
Obstructive lung disease 12% 9% 15%
History of cancer 7% 8% 5%
Cognitive outcome measures, mean ( Confidence Interval)
Cognitive Function overall score 0.00 (−0.15, 0.15) 0.47 (0.29, 0.66) −0.57 (−0.77, −0.37)
Word Fluency 18.5 (18.2, 18.8) 18.6 (18.2, 19.0) 18.3 (17.9, 18.7)
Digit Symbol Substitution Test 34.1 (33.5, 34.7) 34.9 (34.2, 35.5) 33.2 (32.4, 34.0)
Spanish English Verbal Learning Test 22.6 (22.4, 22.9) 23.7 (23.4, 24.0) 21.4 (21.1, 21.7)
Sum 3 trials
Spanish English Verbal Learning Test free recall 8.2 (8.1, 8.3) 8.6 (8.5, 8.8) 7.6 (7.4, 7.7)
Cognitive outcome measures, mean 7478 4670 2808
Continuous accelerometer measures, median (IQR)*
 Accelerometer wear time, hour/day 15.1 (13.5, 18.1) 14.9 (13.4, 17.7) 15.4 (13.6, 18.4)
 Mean counts per minute of wear time 123 (80, 185) 107 (73, 158) 147 (94, 225)
 Sedentary behavior, hour/day 12.3 (11.2, 13.3) 12.4 (11.4, 13.3) 12.1 (10.8, 13.3)
 Moderate-vigorous physical activity, min/day 10.9 (3.5, 25.5) 7.6 (2.1, 19.2) 16.2 (6.3, 33.5)
*

Summarized as the average daily value of each variable on adherent days

BMI: body mass index; IQR: interquartile range;