Generalized linear model to analyze the difference of CRKS, and subscale of CRKS in different factors.

* The P value≦0.05.
CRKS: COPD-related Knowledge scale.
Adjusted variable: Sex, Marriage, Highest Educational Level, Social Economic Status, Rotary, Other (chronic) disease, Living with patient, Other care-needed person(s) in home, Spouse is the main caregiver, Duration of care, Weekly days of care, Daily hours of care.
Generalized linear model to analyze the difference of CRKS, and subscale of CRKS in different factors.

* 显著性检验P值≤0.05。
CRKS：慢性阻塞性肺疾病相关知识量表（COPD-related Knowledge Scale）。
调整变量：性别、婚姻状况、最高受教育程度、社会经济地位、轮换（Rotary）、其他（慢性）疾病、与患者同住、家中其他需要照料的人员、配偶为主要照料者、照料时长、每周照料天数、每日照料时长。
采用广义线性模型分析不同因素下CRKS及其各子量表的得分差异。