Adjusted fractional polynomial models for the relationship between age (3-degree) and disability: Best powers for age and tests of significance.

Note.
All models are adjusted for sex, education, wealth, retirement status, partnership, hypertension, diabetes, obesity, smoking, physical inactivity and country (in case of SHARE).
“SHARE north/west” includes Sweden, Denmark, Germany, Austria, Netherlands, Belgium, France and Switzerland; “SHARE south” includes Italy, Spain and Greece, “SHARE central” includes Poland and Czech Republic.

注：所有模型均针对性别、受教育程度、财富状况、退休状态、伴侣关系、高血压、糖尿病、肥胖、吸烟、身体活动不足以及国家因素（针对SHARE数据集）进行了校正。“SHARE北/西部组”涵盖瑞典、丹麦、德国、奥地利、荷兰、比利时、法国及瑞士；“SHARE南部组”涵盖意大利、西班牙及希腊；“SHARE中部组”涵盖波兰与捷克共和国。