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Table 2 Descriptive statistics of falls in different severity in the elderly

From: Association between falls in elderly and the number of chronic diseases and health-related behaviors based on CHARLS 2018: health status as a mediating variable

Variable All No fall Ordinary fall Medical treatment for fall Chi-square P Value
The independent variable
 ChronicDiseasea 5867 4486 (76.46) 782 (13.33) 599 (10.21) 43.2881 0.000
 Smoking Yes 1580 (26.93) 1258 (28.04) 202 (25.83) 120 (20.03) 33.0903 0.000
Quit 882 (15.03) 698 (15.56) 116 (14.83) 68 (11.35)   
No 3405 (58.04) 2530 (56.40) 464 (59.34) 411 (68.61)   
 Drinking Yes 1786 (30.44) 1363 (30.38) 257 (32.86) 166 (27.71) 4.2815 0.118
No 4081 (69.56) 3123 (69.62) 525 (67.14) 433 (72.29)   
 Sleeptimea 5867 4486 (76.46) 782 (13.33) 599 (10.21) 10.8246 0.004
 Activity Vigorous-
intensity
1728 (29.45) 1292 (28.80) 242 (30.95) 194 (32.39) 5.6334 0.228
Moderate 1953 (33.29) 1500 (33.44) 267 (34.14) 186 (31.05)   
Mild 2186 (37.26) 1694 (37.76) 273 (34.91) 219 (36.56)   
Mediating variables  
 ADL ability 4308 (73.43) 3493 (77.86) 480 (61.38) 335 (55.93) 197.4529 0.000
disability 1559 (26.57) 993 (22.14) 302 (38.62) 264 (44.07)   
 Pain No 1742 (29.69) 1479 (32.97) 160 (20.46) 103 (17.20) 99.8146 0.000
Yes 4125 (70.31) 3007 (67.03) 622 (79.54) 496 (82.80)   
 Depressiona 5867 4486 (76.46) 782 (13.33) 599 (10.21) 13.8202 0.001
Control variables  
 Age 60–70 3424 (58.36) 2663 (59.36) 426 (54.48) 335 (55.93) 11.1386 0.025
70 ~ 80 1912 (32.59) 1440 (32.10) 275 (35.17) 197 (32.89)   
80~ 531 (9.05) 383 (8.54) 81 (10.36) 67 (11.19)   
 Gender male 2671 (45.53) 2127 (47.41) 346 (44.25) 198 (33.06) 44.5303 0.000
female 3196 (54.47) 2359 (52.59) 436 (55.75) 401 (66.94)   
 Residence urban 1636 (27.88) 1286 (28.67) 214 (27.37) 136 (22.70) 9.4631 0.009
rural 4231 (72.12) 3200 (71.33) 568 (72.63) 463 (77.30)   
 Education junior high school or below 5280 (89.99) 4033 (89.90) 691 (88.36) 556 (92.82) 7.6701 0.022
senior high school or above 587 (10.01) 453 (10.10) 91 (11.64) 43 (7.18)   
 Marital status married 4767 (81.25) 3702 (82.52) 620 (79.28) 445 (74.29) 25.8044 0.000
single 1100 (18.75) 784 (17.48) 162 (20.72) 154 (25.71)   
 Care with care 1437 (24.49) 961 (21.42) 258 (32.99) 218 (36.39) 99.2929 0.000
without care 4430 (75.51) 3525 (78.58) 524 (67.01) 381 (63.61)   
 Economic statusa 5867 4486 (76.46) 782 (13.33) 599 (10.21) 4.1414 0.042
  1. Marked a is continuous variable, which is analyzed by variance, and the rest are classified variable, which is tested by chi-square test