Table 1 Comparisons of demographic characteristics, anthropometric measures, life-styles, chronic diseases, depression, and cognitive impairment of the study participants with and without sarcopenia. (N = 4500)
Characteristics | No Sarcopenia n = 3631 | Sarcopenia n = 869 | T/ χ2 | p value |
|---|---|---|---|---|
Age,year,mean(±SD) | 61.0 (7.5) | 67.9 (8.8) | 21.39 | <.001 |
 50 ≤ Age<65, No(%) | 2475 (88.8) | 313 (11.2) | 433.88 | <.001 |
 65 ≤ Age ≤ 74, No (%) | 956 (73.5) | 345 (26.5) |  |  |
 75 ≤ Age ≤ 84, No (%) | 192 (49.5) | 196 (50.5) |  |  |
 85 ≤ Age, No (%) | 8 (34.8) | 15 (65.2) |  |  |
Gender No (%) | ||||
 Male | 1268 (77.9) | 359 (22.1) | 12.41 | <.001 |
 Female | 2363 (82.2) | 510 (17.8) |  |  |
Ethnics | Â | Â | 83.15 | <.001 |
 Han,No(%) | 1506 (77.7) | 431 (22.3) |  |  |
 Zang,No(%) | 1009 (81.8) | 224 (18.2) |  |  |
 Qiang,No(%) | 926 (88.2) | 124 (11.8) |  |  |
 Yi,No(%) | 139 (65.3) | 74 (34.7) |  |  |
 Others,No(%) | 56 (76.1) | 17 (23.9) |  |  |
Education,No(%) | Â | Â | 49.17 | <.001 |
 No formal education | 972 (26.8) | 322 (37.1) |  |  |
 Elementary school | 1161 (32.0) | 287 (33.0) |  |  |
 Middle school | 787 (21.7) | 134 (15.4) |  |  |
 High school and above | 711 (19.6) | 126 (14.5) |  |  |
Marital status, No (%) | Â | Â | 56.84 | <.001 |
 Single | 23 (0.7) | 8 (1.0) |  |  |
 Married | 2965 (86.0) | 628 (76.0) |  |  |
 Divorced | 52 (1.5) | 15 (1.8) |  |  |
 Widowed | 409 (11.9) | 175 (21.2) |  |  |
Anthropometric measures | ||||
 Grip strength, mean(±SD) | 23.0 (8.7) | 17.6 (6.8) | 19.94 | <.001 |
 Gait speed, mean(±SD) | 0.88 (0.3) | 0.74 (0.3) | 13.41 | <.001 |
 ASMI, mean(±SD) | 6.8 (0.9) | 5.7 (0.7) | 40.14 | <.001 |
Life-styles | ||||
 Living alone No(%) | ||||
  Yes | 153 (4.2) | 57 (6.6) | 8.67 | .003 |
  No | 3478 (95.8) | 812 (93.4) |  |  |
 sleep quality No(%) | ||||
  PQSI>5 | 1595 (46.3) | 420 (51.0) | 5.90 | .015 |
  PQSI≤5 | 1848 (53.7) | 403 (49.0) |  |  |
 Drinking Tea, No (%) | ||||
  Yes | 1672 (48.7) | 373 (45.5) | 2.72 | .099 |
  No | 1762 (51.3) | 447 (54.5) |  |  |
 Drinking alcohol, No (%) | ||||
  Yes | 876 (25.5) | 195 (23.8) | 1.08 | .299 |
  No | 2559 (74.5) | 626 (76.2) |  |  |
 Smoking history No(%) | ||||
  Yes | 551 (16.0) | 187 (22.8) | 21.16 | <.001 |
  No | 2885 (84.0) | 633 (77.2) |  |  |
 Indoor housework No(%) | ||||
  No | 952 (27.8) | 335 (41.2) | 55.80 | <.001 |
  Yes | 2472 (72.2) | 478 (58.8) |  |  |
 Outdoor housework No(%) | ||||
  No | 1974 (57.8) | 511 (63.1) | 7.54 | .006 |
  Yes | 1441 (42.2) | 299 (36.9) |  |  |
Number of chronic diseases | Â | Â | 4.92 | .027 |
 0 or 1, No (%) | 934 (25.7) | 192 (22.1) |  |  |
 ≥ 2, No(%) | 2697 (74.3) | 677 (77.9) |  |  |
Depressive status, No (%) | ||||
 GDS-15<5 | 2816 (77.6) | 639 (73.5) | 6.36 | .012 |
 GDS-15 ≥ 5 | 815 (22.4) | 230 (26.5) |  |  |
Anxiety status, No (%) | ||||
 GAD-7<5 | 2950 (81.2) | 708 (81.5) | 0.02 | .877 |
 GAD-7 ≥ 5 | 681 (18.8) | 161 (18.5) |  |  |
Cognitive function, No (%) | Â | Â | 92.59 | <.001 |
 Complete cognitive function | 3023 (88.1) | 637 (77.7) |  |  |
 Mild impairment, No (%) | 331 (9.7) | 115 (14.0) |  |  |
 Moderate-severe impairment, No (%) | 76 (2.2) | 68 (8.3) |  |  |