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Table 1 Sample characteristics

From: The activity of daily living (ADL) subgroups and health impairment among Chinese elderly: a latent profile analysis

Variables Mean±SD/N(%)
Sex
 Male 3808 (46.97%)
 Female 4300 (53.03%)
Age (year) 82.46±11.01
 65–79 3496 (43.12%)
 80–105 4612 (56.88%)
Place of residence
 Urban 4764 (58.76%)
 Rural 3344 (41.24%)
Education
 Uneducated 3418 (42.16%)
 Educated 4690 (57.84%)
Marital status
 Living without spouse 4287 (52.87%)
 Living with spouse 3821 (47.13%)
Physical exercise (recently)
 No 5160 (63.64%)
 Yes 2948 (36.36%)
Social activity (recently)
 No 6765 (83.44%)
 Yes 1343 (16.56%)
BMI 22.58±3.65
 underweight 1154 (14.23%)
 normal 4184 (51.60%)
 overweight 2063 (25.44%)
 obese 707 (8.72%)
Experience of falls
 No 6368 (78.54%)
 Yes 1740 (21.46%)
Hypertension
 No 4489 (55.37%)
 Yes 3619 (44.63%)
Diabetes
 No 7208 (88.90%)
 Yes 900 (11.10%)
Heart disease
 No 6652 (82.04%)
 Yes 1456 (17.96%)
Stroke
 No 7232 (89.20%)
 Yes 876 (10.80%)
Asthma
 No 7324 (90.33%)
 Yes 784 (9.67%)
Cancer
 No 7983 (98.46%)
 Yes 125 (1.54%)
MMSE
 Total score 25.9±5.5
 Normal 6363 (78.48%)
 Cognitive decline 1745 (21.52%)
Depression
 Total score 7.5±4.2
 Normal 5949 (73.37%)
 Having depression symptoms 2159 (26.63%)
BADL 6.6±1.7
BADL disability 943 (11.63%)
IADL 12.3±5.4
IADL disability 3186 (39.29%)
BADL/IADL 18.9±6.6
BADL/IADL disability 3245 (40.02%)