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Table 1 Baseline subject characteristics

From: Portion control for the treatment of obesity in the primary care setting

  Usual Care
N = 32
Portion Control
N = 33
Age, years   
   Mean ± SD 56.3 ± 10.7 55.4 ± 9.4
   Range 32 to 75 31 to 74
Gender, N (%)   
   Male 12 (38) 13 (39)
   Female 20 (62) 20 (61)
Weight, kg   
   Mean ± SD 98.8 ± 12.5 97.6 ± 12.8
   Range 75.2 to 127.2 74.7 to 129.3
Education, N (%)   
   High school graduate 7 (22) 8 (24)
   Some college 12 (38) 14 (42)
   4-year college degree or more 13 (41) 11 (33)
Work status, N (%)   
   Full time 19 (59) 22 (67)
   Part time 2 (6) 2 (6)
   Unemployed 1 (3) 1 (3)
   Retired 10 (31) 8 (24)
Current tobacco use, N (%)   
   No 30 (94) 32 (97)
   Yes 2 (6) 1 (3)
Diabetes, N (%)   
   No 25 (78) 25 (76)
   Yes 7 (22) 8 (24)
Current exercise, N (%)   
   None 4 (12) 4 (12)
   1 to 90 minutes per week 8 (25) 13 (39)
   91 to 150 minutes per week 16 (50) 9 (27)
   > 150 minutes per week 4 (12) 7 (21)