可能出现的问题及解决方案5.1 可能出现的问题5.1.1 实地入户工作

Possible problems and solutions <br>5.1 Possible problems <br>5.1.1 It is difficult to work in the field, the compliance of the research object is poor, and the sample loss occurs. <br>5.1.2 Some older people or older people with a lower level of education have poor comprehension and cannot complete the questionnaire accurately. <br>5.1.3 The interviews at the qualitative research stage are not comprehensive and it is difficult to extract themes. <br>5.2 Solutions <br>5.2.1 Before conducting the questionnaire survey, establish a good relationship with community health workers, obtain support from the staff, explain to the elderly together, and obtain cooperation; <br>5.2.2 Reasonably choose the time for the questionnaire survey and take on-site recovery Method: Transform the questionnaire content into easy-to-understand language to conduct the survey, and give appropriate rewards to the elderly who cooperate with the survey; <br>5.2.3 Repeatedly listen to the recordings, organize the interview data in time, and verify the recording materials with the interviewee, if necessary Interview again.

Possible problems and solutions<br>5.1 Possible problems<br>5.1.1 Difficulty in entering the home in the field, poor compliance of the subjects and loss of samples.<br>5.1.2 Some older persons with older or lower levels of education have poor understanding and are unable to complete the questionnaire accurately.<br>5.1.3 Interviews during the qualitative research phase are not comprehensive and it is difficult to refine the subject matter.<br>5.2 Resolution measures<br>5.2.1 To establish good relationships with community health workers, to receive staff support, to explain and cooperate with older persons, before conducting the questionnaire;<br>5.2.2 Reasonable selection of the time of the questionnaire and on-site recycling to translate the contents of the questionnaire into an easy-to-understand language for the survey, and to give appropriate incentives to older persons who cooperate with the survey;<br>5.2.3 Listen to the recording repeatedly, organize the interview materials in a timely manner, verify the recording materials with the interviewee, and conduct the interview again if necessary.

Possible problems and Solutions<br>5.1 possible problems<br>5.1.1 it is difficult to work in the field, and the research objects have poor compliance, resulting in sample loss.<br>5.1.2 some older or lower educated people have poor understanding ability and can not complete the questionnaire accurately.<br>5.1.3 the interview in the qualitative research stage is not comprehensive, and it is difficult to refine the theme.<br>5.2 solutions<br>5.2.1 before the questionnaire survey, establish a good relationship with the community health workers, get the support of the staff, explain to the elderly together, and get cooperation;<br>5.2.2 reasonably choose the time of the questionnaire survey and take the way of on-site recycling, convert the questionnaire content into easy to understand language for investigation, and give appropriate rewards to the elderly who cooperate with the survey;<br>5.2.3 listen to the recording repeatedly, sort out the interview materials in time, verify the recording materials with the interviewees, and conduct interviews again if necessary.<br>