Baseline characteristics of study sample, those admitted to nursing home or not within one year.

MMSE = Mini Mental State Examination, PSMS = Personal functioning, I-ADL = Instrumental functioning.
HAD-D = The depression subscale of the Hospital Anxiety and Depression scale with, HAD-A = The anxiety subscale of the Hospital Anxiety and Depression scale.
aAssistance with cleaning, making food, doing groceries etc.
* = p< 0.05,
**p<0.01.
a = Pearson Chi-Square 4.712 (1 df) p = 0.028.
b = Pearson Chi-Square 35. 049 (2 df) p<0.001.
c = Pearson Chi-Square 4.443 (1 df) p = 0.035.
d = Pearson Chi-Square 67.579 (1df) p<0.001.

MMSE=简易精神状态检查表（Mini Mental State Examination），PSMS=个人功能（Personal functioning），I-ADL=工具性功能（Instrumental functioning）。
HAD-D=医院焦虑抑郁量表抑郁分量表（The depression subscale of the Hospital Anxiety and Depression scale），HAD-A=医院焦虑抑郁量表焦虑分量表（The anxiety subscale of the Hospital Anxiety and Depression scale）。
a指协助清洁、烹制食物、采购日用品等活动。
*=p<0.05，**=p<0.01。
a=Pearson卡方检验值4.712（自由度1），p=0.028。
b=Pearson卡方检验值35.049（自由度2），p<0.001。
c=Pearson卡方检验值4.443（自由度1），p=0.035。
d=Pearson卡方检验值67.579（自由度1），p<0.001。