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Table 3 Standardized prevalence of frailty phenotype

From: Low physical activity is the strongest factor associated with frailty phenotype and frailty index: data from baseline phase of Birjand Longitudinal Aging Study (BLAS)

 

Robust

Pre-Frail

Frail

Proportion %

95% CI

Proportion %

95% CI

Proportion %

95% CI

Total participants

6.7

5.4–8.3%

71.5

66.5–76%

21.6

17.4–26.6%

 

Sex

Female

4.4

3.1–6.2%

71.8

64.2–78.4%

23.6

17.3–31.4%

Male

9.2

7–12%

71.3

65–76.8%

19.4

14.3–25.6%

 

Age groups

60–69

23.1

20.3–26.2%

71.4

68.2–74.4%

5.3

4–7.1%

70–79

7.4

5.2–10.4%

81.4

77.3–84.9%

11

8.2–14.6%

+ 80

2.7

1.3–5.5%

67.4

59.3–74.5%

29.8

22.8–37.8%

 

Age groups

female

F (60–69)

17.5

14.4–21.2%

76.5

72.5–80.1%

5.8

4.1–8.4%

F (70–79)

4

2.1–7.6%

84.5

79–88.8%

11.3

7.6–16.4%

F (+ 80)

1.5

0.03–5.9%

65.5

53.3–76%

32.8

22.6–45%

Age groups male

(60–69)

29.1

24.6–33.9%

66.1

61.1–70.8%

4.7

2.9–7.5%

M (70–79)

10.7

7.1–15.9%

78.4

72–83.6%

10.7

7–16.1%

M (+ 80)

4.1

1.7–9.5%

69.5

59.5–78%

26.3

18.3–36.2%

 

Living area

Urban region

6.5

5.2–8.1%

70.9

65.5–75.7%

22.5

17.9–27.9%

Rural region

8.6

4.9–14.7%

75.7

62.2–85.4%

15.6

7.4–29.9%

 

WHO BMI categorization

Low body weight

7.2

3.1–15.7%

68.2

51.8–81.1%

24.5

13.1–40.9%

Ideal body weight

8

6.1–10.3%

70.3

63.7–76.2%

21.6

16.1–28.3%

Overweight

7.7

5.2–11.4%

71

60–80%

21.1

12.9–32.5%

Obese

2.8

1.7–4.5%

76.9

58.7–88.6%

20.2

9.1–39.1%

  1. CI confidence interval, BMI body mass index
  2. Note: Standardized for WHO population 2000-2025