Sarcopenia in older adults: Prevalence and links to depression and physical activity

Table 1 General conditions of both groups

Project	Sarcopenia (n = 62)	Non-sarcopenia (n = 284)	χ2/t value	P value
Age (years)			14.133	0.001
60-70	25 (40.32)	187 (65.85)
70-79	32 (51.62)	86 (30.28)
≥ 80	5 (8.06)	11 (3.87)
Gender			0.078	0.780
Male	25 (40.32)	120 (42.25)
Female	37 (59.68)	164 (57.75)
BMI			33.777	< 0.001
Low body weight	3 (4.84)	2 (0.70)
Normal weight	45 (72.58)	108 (38.03)
Overweight or obese	14 (22.58)	174 (61.27)
Education			0.913	0.339
Primary school and below	47 (75.81)	198 (69.72)
Junior high school and above	15 (24.19)	86 (30.28)
Marital status			0.002	0.961
Married	45 (72.58)	207 (72.89)
Divorced/widowed/single	17 (27.42)	77 (27.11)
Income			2.678	0.102
Unable to afford daily life	5 (8.06)	46 (16.20)
Can afford a normal life	57 (91.94)	238 (83.80)
Living status			0.506	0.477
Living alone	8 (12.90)	28 (9.86)
Living with relatives	54 (87.10)	256 (90.14)
Coronary heart disease			6.494	0.011
Have	22 (35.48)	58 (20.42)
None	40 (64.52)	226 (79.58)
Hypertension			6.029	0.014
Have	35 (56.45)	112 (39.44)
None	27 (43.55)	172 (60.56)
Diabetes			0.133	0.715
Have	8 (12.90)	32 (11.27)
None	54 (87.10)	252 (88.73)
Sarcopenia evaluation index
ASMI (kg/m2)	5.23 ± 0.66	7.49 ± 0.69	23.591	< 0.001
Grip strength (kg)	18.19 ± 8.48	27.64 ± 7.89	8.428	< 0.001
6-m pace (meter/second)	0.61 ± 0.10	0.93 ± 0.22	17.539	< 0.001

Data were showed as n (%) or mean ± SD. BMI: Body mass index; ASMI: Appendicular skeletal muscle mass index.