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Table 2 Representativeness of Brief Health Survey (BHS) and the Weight Loss Program

From: Who participates in internet-based worksite weight loss programs?

 

Reach Study Sample

(n = 2,055)

BHS & Program Participants

(n = 610)

BHS Participants Program Nonparticipants

(n = 1,445)

BHS Nonparticipants Program Participants

(n = 398)

Group Mean

Test p-value

Group Mean

Test p-value

Group Mean Test p-value

Variables

Mean (1)

Mean (2)

Mean (3)

Mean (4)

Mean(2) = Mean(3)

Mean(2) = Mean(4)

Mean(1) = Mean(4)

Age

45.4

46.6

44.8

45.1

0.001***

0.034

0.706

Female, %

59.1

74.9

52.5

74.6

0.000***

0.916

0.000***

Hispanic origin, %

2.2

1.5

2.5

4.5

0.112

0.008***

0.007***

Race, %

       

   Caucasian

71.7

79.7

68.3

69.3

0.000***

0.000***

0.347

   African American

24.6

18.0

27.3

25.1

0.000***

0.008***

0.815

   Asian

1.2

0.3

1.5

1.3

0.003***

0.126

0.881

   Other

2.6

2.0

2.8

4.3

0.222

0.048

0.064

Education, %

       

   Less than high school

2.0

0.3

2.7

1.5

0.000***

0.072

0.516

   High school graduate

17.2

13.1

19.9

12.8

0.008***

0.890

0.032

   Some college

30.3

33.9

28.7

29.9

0.021

0.178

0.884

   College graduate

34.1

36.4

33.1

37.2

0.160

0.799

0.238

   Post graduate/professional

16.4

16.2

16.5

18.6

0.862

0.337

0.295

Annual household Income, %

       

   Less than $15,000

2.0

0.3

2.7

2.3

0.000***

0.014

0.731

   $15,000-$29,999

12.5

8.2

14.3

11.8

0.000***

0.066

0.719

   $30,000-$49,999

24.1

25.9

23.4

22.6

0.231

0.232

0.514

   $50,000-$99,999

41.7

43.9

40.8

38.9

0.185

0.116

0.306

   More than $100,000

19.7

21.6

18.9

24.4

0.162

0.316

0.035

Have at least one child, %

50.8

49.7

51.3

56.3

0.506

0.040

0.045

  1. Note: *** p < 0.01.