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Table 1 Baseline comparison of intervention vs. comparison group and completers vs. noncompleters

From: Go!: results from a quasi-experimental obesity prevention trial with hospital employees

Variables Intervention
(n = 361)b
n (%) or Mean (SD)
Comparison
(n = 81)b
n (%) or Mean (SD)
p a Completers
(n = 387)c
n (%) or Mean (SD)
Noncompleters
(n = 55)c
n (%) or Mean (SD)
p a
Demographic Variables       
 Age (y) 43.0 (12.1) 43.3 (9.8) 0.82 43.3 (11.6) 41.3 (12.8) 0.25
 Gender (female) 298 (82.6 %) 78 (96.3 %) 0.002 329 (85.0 %) 47 (85.5 %) 0.93
 Race/ethnicity (White) 329 (91.9 %) 77 (95.1 %) 0.08 352 (91.7 %) 54 (98.2 %) 0.47
 Education    0.18    0.61
  High school or less 46 (12.9 %) 12 (15.0 %)   53 (13.9 %) 5 (9.3 %)  
  Some college or vocational training 127 (35.7 %) 36 (45.0 %)   143 (37.4 %) 20 (37.0 %)  
  College degree + 183 (51.4 %) 32 (40.0 %)   186 (48.7 %) 29 (53.7 %)  
 Annual household income    0.55    0.21
  < 30,000 58 (17.1 %) 13 (17.3 %)   59 (16.2 %) 12 (24.0 %)  
  30,000–59,999 101 (29.8 %) 24 (32.0 %)   112 (30.8 %) 13 (26.0 %)  
  60,000–100,000 116 (34.2 %) 29 (38.7 %)   132 (36.3 %) 13 (26.0 %)  
  > 100,000 64 (18.9 %) 9 (12.0 %)   61 (16.8 %) 12 (24.0 %)  
 Job category    < 0.001    0.45
  Patient care 182 (51.3 %) 40 (51.3 %)   191 (50.3 %) 31 (58.5 %)  
  Administrative/clerical 103 (29.0 %) 38 (48.7 %)   125 (32.9 %) 16 (30.2 %)  
  Service 70 (19.7 %) 0 (0 %)   64 (16.8 %) 6 (11.3 %)  
 Smoker (yes) 37 (10.5 %) 10 (12.7 %) 0.57 38 (10.0 %) 9 (17.0 %) 0.13
Primary outcome variables
 Anthropometrics       
  Weight (kg) 77.6 (18.1) 76.5 (18.9) 0.62 76.9 (17.8) 81.0 (20.9) 0.12
  BMI 28.4 (6.2) 28.4 (6.6) 0.93 28.2 (6.2) 29.6 (7.2) 0.12
  Waist circumference (cm) 92.9 (14.9) 94.7 (17.6) 0.36 92.8 (15.2) 96.2 (16.8) 0.13
 Dietary measures (per day)       
  Fruit/vegetable servings 5.2 (2.7) 4.5 (2.2) 0.04 5.1 (2.6) 4.8 (2.7) 0.50
  % calories from fat 32.3 (6.0) 31.0 (5.7) 0.08 32.2 (6.1) 31.4 (5.3) 0.34
  Fiber (g) 20.9 (14.6) 18.1 (10.6) 0.11 20.3 (13.7) 21.2 (15.9) 0.65
 Physical activity measures       
  GLTEQ 42.5 (31.8) 37.9 (28.9) 0.23 41.9 (30.6) 39.5 (35.9) 0.59
  IPAQ 137.3 (89.5) 113.8 (68.7 0.03 132.3 (86.1) 138.2 (89.6) 0.64
Secondary outcome variables
 Knowledge 1.2 (1.1) 1.3 (1.2) 0.36 1.2 (1.1) 1.4 (1.3) 0.35
 Employer commitment 3.5 (0.7) 3.6 (0.6) 0.56 3.5 (0.7) 3.5 (0.7) 0.87
 Coworker social support 8.3 (4.7) 9.3 (4.0) 0.04 8.6 (4.6) 7.8 (4.7) 0.23
 Information availability 4.1 (1.4) 3.0 (1.3) < 0.001 3.8 (1.5) 3.9 (1.6) 0.64
 Health discussions with coworkers 2.9 (1.4) 3.8 (1.5) < 0.001 3.0 (1.5) 3.3 (1.3) 0.19
  1. a t-tests were used for continuous variables and chi-square or Fisher’s exact tests were used for categorical variables
  2. bData reported are from employees who remained eligible throughout the study
  3. c“Noncompleters” were defined as those who did not complete any assessments after baseline; “completers” completed two or all three assessments
  4. GLTEQ Godin Leisure Time Exercise Questionnaire, IPAQ International Physical Activity Questionnaire