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. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: Ann Intern Med. 2021 Mar 9;174(7):1032–1034. doi: 10.7326/M20-6326

Table.

Baseline Characteristics of PROPEL Patients by Food Security Status and Usual Care and Intensive Lifestyle Intervention Groups

Food Secure Food Insecure
UC ILI UC ILI
No. of patients, mean (SD) 233 323 118 129
Body weight (kg), mean (SD) 102.0 (17.2) 101.0 (16.5) 104.0 (16.6) 103.1 (16.2)
BMI (kg/m2), mean (SD) 36.9 (4.7) 36.9 (4.5) 37.9 (4.9) 38.0 (4.7)
Age, mean (SD) 51.2 (13.8) 49.0 (13.0) 48.1 (13.0) 48.2 (11.9)
Female, n (%) 177 (76.0) 283 (87.6) 103 (87.3) 115 (89.2)
African American, n (%) 121 (51.9) 239 (74.0) 87 (73.7) 93 (72.1)
Health Literacy, n (%)
 ≤8th grade 59 (25.3) 91 (28.2) 47 (39.8) 50 (38.8)
 ≥9th grade 174 (74.7) 232 (71.8) 71 (60.2) 79 (61.2)
Educationb, n (%)
 Less than HS 13 (5.6) 26 (8.1) 11 (9.3) 11 (8.5)
 HS 38 (16.4) 69 (21.4) 32 (27.1) 39 (30.2)
 Some college 95 (41.0) 121 (37.5) 60 (50.9) 58 (45.0)
 Bachelor’s degree 52 (22.4) 58 (18.0) 11 (9.3) 13 (10.1)
 Postgraduate degree 34 (14.7) 49 (15.2) 4 (3.4) 8 (6.2)
Income (annual family)c, n (%)
 < $10,000 29 (12.8) 45 (14.2) 41 (35.7) 41 (31.8)
 $10,000-$19,999 44 (19.5) 61 (19.3) 29 (25.2) 34 (26.4)
 $20,000-$39,999 47 (20.8) 77 (24.4) 32 (27.8) 35 (27.1)
 $40,000-$59,999 39 (17.3) 55 (17.4) 9 (7.8) 14 (10.9)
 ≥$60,000 67 (29.7) 78 (24.7) 4 (3.5) 5 (3.9)
Marital Status, n (%)
 Married 91 (39.1) 146 (45.2) 28 (23.7) 35 (27.1)
 Divorced/separated 50 (21.5) 73 (22.6) 41 (34.8) 47 (36.4)
 Never married 68 (29.2) 82 (25.4) 41 (34.8) 40 (31.0)
 Widowed 24 (10.3) 22 (6.8) 8 (6.8) 7 (5.4)

UC: Usual care; ILC: Intensive lifestyle intervention.

a

Due to missing values, the denominators for waist circumference are 232 for Food Secure UC, 322 for Food Secure ILI, and 117 for Food Insecure UC.

b

Due to missing values, the denominator for education is 232 for Food Secure UC.

c

Due to missing values, the denominators for income are 226 for Food Secure UC, 316 for Food Secure ILI, and 115 for Food Insecure UC, respectively.