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Table 1 Characteristics of the sample by physical activity levels and gender

From: Associations of physical activity with sarcopenia and sarcopenic obesity in middle-aged and older adults: the Louisiana osteoporosis study

 

Regular exercise-No

Regular exercise- < 3/week

Regular exercise ≥ 3/week

P

Female (n = 5135)

(n = 1814)

(n = 555)

(n = 2766)

 

Age group (n, %)

   

0.19

 45–64 years old

1440 (35.69)

447 (11.08)

2148 (53.23)

 

 ≥ 65 years old

374 (34.00)

108 (9.82)

618 (56.18)

 

 Postmenopausal (female, n, %)

1274 (70.23)

380 (68.47)

1941 (70.17)

0.70

Race/ethnicity

   

 < .001

 Non-Hispanic White

1092 (32.91)

330 (9.95)

1896 (57.14)

 

 Non-Hispanic AA

534 (41.46)

162 (12.58)

592 (45.96)

 

 Non-Hispanic Asian

113 (32.01)

40 (11.33)

200 (56.66)

 

 Hispanics

75 (42.61)

23 (13.07)

78 (44.32)

 

Health behaviors (n, %)

    

 Calcium supplement (yes)

589 (32.47)

243 (43.78)

1261 (45.59)

 < .001

 Smoke (yes)

771 (42.50)

209 (37.66)

1095 (39.59)

0.05

 Alcohol drinking (yes)

1077 (60.03)

392 (71.40)

1939 (70.61)

 < .001

 Milk consumption (yes)

1280 (70.56)

432 (77.84)

2066 (74.69)

 < .001

 Sun exposure (yes)

1227 (67.64)

417 (75.14)

2219 (80.22)

 < .001

Height (m)

1.61 ± 0.07

1.62 ± 0.07

1.62 ± 0.06

 < .001

Weight (kg)

77.63 ± 19.46

73.30 ± 17.89

70.29 ± 17.33

 < .001

 

Regular exercise-No

Regular exercise- < 3/week

Regular exercise- ≥ 3/week

P

Male (n = 3784)

(n = 1169)

(n = 372)

(n = 2243)

 

Age group (n, %)

   

0.03

 45–64 years old

1019 (31.33)

331 (10.18)

1902 (58.49)

 

 ≥ 65 years old

150 (28.20)

41 (7.71)

341 (64.10)

 

Race/ethnicity

   

 < .001

 Non-Hispanic White

457 (28.02)

122 (7.48)

1052 (64.50)

 

 Non-Hispanic AA

618 (33.08)

215 (11.51)

1035 (55.41)

 

 Non-Hispanic Asian

62 (32.29)

28 (14.58)

102 (53.13)

 

 Hispanics

32 (34.41)

7 (7.53)

54 (58.06)

 

Healthy behaviors (n, %)

    

 Calcium supplement (yes)

68 (5.82)

42 (11.29)

191 (8.52)

 < .001

 Smoke (yes)

810 (69.29)

262 (70.43)

1526 (68.03)

0.56

 Alcohol drinking (yes)

796 (69.46)

258 (70.11)

1608 (72.50)

0.16

 Milk consumption (yes)

917 (78.44)

307 (82.53)

1849 (82.43)

 < .01

 Sun exposure (yes)

967 (82.72)

322 (86.56)

2036 (90.77)

 < .001

Height (m)

1.74 ± 0.07

1.74 ± 0.08

1.74 ± 0.07

0.49

Weight (kg)

84.92 ± 19.16

83.17 ± 19.20

81.92 ± 16.55

 < .001

  1. Note: AA = African American; Sun exposure = at least 15 min sun exposure a day