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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: Ann Epidemiol. 2019 Feb 5;32:43–48. doi: 10.1016/j.annepidem.2019.01.014

Table 1:

Weighted sample demographics by food security status (n=20,918, N=208,789,244)

Food Secure Food Insecure p-Value
Unweighted Sample n=17,490 n=3,428
Weighted Sample N=184,436,063 N=24,353,181
Demographics
Gender 0.04
Male 48.27% 46.48%
Female 51.73% 53.52%
Age Group <.0001
20–34 26.57% 38.81%
35–49 30.03% 35.27%
50–64 24.88% 18.38%
65+ 18.51% 7.54%
Race/Ethnicity <.0001
Non-Hispanic White 73.65% 45.41%
Non-Hispanic Black 10.21% 19.97%
Hispanic 10.19% 28.48%
Other minorities 5.94% 6.14%
Education Level <.0001
High School or below 40.82% 67.46%
College or above 59.18% 32.54%
Marital Status <.0001
Married 59.15% 38.78%
Not Married 40.85% 61.22%
Ratio of family income to poverty <.0001
130% or less 15.22% 58.75%
Above 130% 84.78% 41.25%
Lifestyle and BMI
Physical Activity <.0001
None 30.57% 40.51%
Moderate 33.16% 27.62%
Vigorous 36.27% 31.87%
Smoking Status <.0001
Never 53.53% 42.65%
Former 25.69% 16.73%
Current 20.78% 40.61%
Energy Intake (kcal) <.0001
Lowest Quartile 21.3% 24.4%
Second Quartile 24.6% 21.0%
Third Quartile 26.0% 24.5%
Highest Quartile 28.1% 30.1%
Total Fat Intake (g) <.0001
Lowest Quartile 21.1% 25.9%
Second Quartile 23.8% 22.9%
Third Quartile 26.0% 24.9%
Highest Quartile 29.1% 26.3%
Body Mass Index (BMI) <.0001
Underweight 1.70% 2.30%
Normal Weight 30.89% 28.26%
Overweight 34.01% 30.85%
Obesity 33.41% 38.59%
Presence of Comorbidities
Cancer 9.53% 5.07% <0.001
Hypertension 30.35% 28.42% 0.13
Heart Disease 6.86% 7.54% 0.25
Stroke 2.77% 3.54% 0.06
Diabetes 8.34% 9.61% 0.06
Mortality (not adjusted for age)
Mortality 0.2528
Alive 95.38% 95.93%
Deceased 4.62% 4.07%