Table 1 Sample Characteristics at Baseline and Follow-up

Total sample

164,597

100%

100,290

100%

Age, Mean (SD)

 65–74

87,972

53.4%

47,929

47.8%

 75–84

55,676

33.8%

39,337

39.2%

 85–94

19,313

11.7%

12,308

12.3%

 95+

1636

1.0%

716

0.7%

Female

95,115

57.8%

58,519

58.4%

 White non-Hispanics

121,334

76.1%

77,694

78.2%

 Black non-Hispanics

13,031

8.2%

7427

7.5%

 Hispanics

15,735

9.9%

8803

8.9%

 Other

9404

5.9%

5408

5.4%

 Underweight (< 18.5 kg/m²)

3274

2.1%

1602

1.8%

 Normal (18.5–24.9 kg/m²)

48,402

31.1%

28,246

30.9%

 Overweight (25–29.9 kg/m²)

59,201

38.0%

35,261

38.6%

 Obesity (≥30 kg/m²)

44,877

28.8%

26,238

28.7%

 Class I obesity (30–34.9 kg/m²)

28,783

18.5%

17,033

18.6%

 Class II obesity (35–39.9 kg/m²)

10,283

6.6%

5978

6.5%

 Class III obesity (≥40 kg/m²)

5811

3.7%

3227

3.5%

 No

100,475

62.4%

62,680

66.7%

 Yes

60,523

37.6%

31,298

33.3%