Table 1 LIFE trial baseline descriptive statistics

Gender

 Female

1098

67.2

585

69.5

513

64.7

 Male

537

32.8

257

30.5

280

35.3

Race

 White

1239

75.8

582

69.1

657

82.8

 African American/Black

288

17.6

189

22.4

99

12.5

 Hispanic

61

3.7

42

5.0

19

2.4

 Other

47

2.9

29

3.4

18

2.3

Marital Status

 Married

583

35.9

329

39.1

254

32.3

 Separate/divorced

268

16.5

185

22.0

83

10.6

 Widowed

661

40.6

257

30.5

404

51.5

 Never married

101

6.2

60

7.1

41

5.2

 Other

13

0.8

10

1.2

3

0.4

Education

 No formal education

13

0.8

8

0.9

5

0.6

 Elementary

31

1.9

13

1.6

18

2.3

 High school

484

29.7

253

30.1

231

29.3

 College

642

39.4

322

38.3

320

40.6

 Postgraduate

402

24.7

214

25.4

188

23.8

 Other

58

3.5

31

3.7

27

3.4

Household Income

 Less than $10,000

67

4.6

33

4.5

34

4.9

 $10,000 to $14,999

113

7.8

68

9.0

45

6.6

 $15,000 to $24,999

282

19.5

144

19.0

138

20.1

 $25,000 to $34,999

222

15.4

113

14.9

109

15.9

 $35,000 to $49,999

288

19.9

148

19.6

140

20.4

 $50,000 to $74,999

233

16.1

120

15.9

113

16.4

 $75,000 or greater

239

16.6

131

17.1

108

15.7

Health self rating

 Excellent

105

6.4

44

5.2

61

7.7

 Very good

462

28.4

240

28.6

222

28.1

 Good

791

48.6

403

48.0

388

49.1

 Fair

251

15.4

141

16.8

110

14.0

 Poor

20

1.2

12

1.4

8

1.0

Obesity-Class I [BMI 30–34.9]

434

26.5

254

30.2

180

22.7

Obesity-Class II [BMI 35–39.9]

202

12.4

145

17.2

57

7.2

Obesity-Class III [BMI ≥ 40]

116

7.1

100

11.9

16

2.0

Variable

Mean

SD

Mean

SD

Mean

SD

Age (yr.)

78.9

5.2

74.5

2.5

83.5

2.9

Body Mass Index

30.2

6.0

32.0

6.4

28.3

4.8

Number in household

1.7

1.0

1.8

1.0

1.6

0.9