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KLoSA Wave1 User Guide

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The first wave version 1.0 provides the data collected in the CV category in a user-friendly way. Institutionalized persons who were excluded from the first wave will be included in the second wave of the main survey.

Stratification of EDs

Sampling Procedure of ED

However, not all enumeration districts had six-household panels, and there were panels consisting of a minimum of one household to a maximum of 12 households according to the circumstances of the enumeration district. The second most common reason for seven enumeration districts was that there were no sample households left due to redevelopment projects where the houses were all being dismantled.

Fieldwork Result

The Enumeration Districts with no eligible households, which were dismantled due to redevelopment projects, or where the visits were rejected, were all replaced with provisional Enumeration Districts. There was one Enumeration District that was replaced as all the sampled households were found to be ineligible, but the replaced samples were also insufficient leading to another replacement of Enumeration Districts.

Response Rate

The calculation method above puts the response rate of the 1st baseline survey at 70.7%. Considering the conditions facing large-scale social surveys today, a household response of 70.7% is an overall good result.

Necessity of Using Weights

Technical description of the health and pension survey Sample Design. Institute for Social Research, University of Michigan. Michael Marmot, James Banks, Richard Blundell, Carli Lessof and James Nazroo (eds.).Health, Wealth and Lifestyles of the older Population in England: The 2002 English Longitudinal Study of Ageing. Health, Aging and Retirement in Europe: First Findings from the Health, Aging and Retirement in Europe Survey.

Weight Computing Process

Pj indicates the ratio of eligible households within the ZH in the 1st stratum and Hj refers to the total number of households within the ZH in the 1st stratum. The KLoSA response rate is the ratio of the number of respondents to the number of persons aged 45 and over within eligible households. That is, if … denotes the number of persons aged 45 or older within eligible households and …refers to the number of respondents within eligible households, the response rate can be summarized as.

The weights were originally conceived as the multiplied values ​​of the inverse of the choice rate and the inverse of the response rate. i indicates stratum, j refers to ED and k to household. Here, l refers to the respondent and BF refers to the comparative adjustment coefficient, which was calculated as shown below.

Calculating Estimation Equation of Using Weight Sum

The formulas for the national estimation of the mean and for its estimated distribution are presented below. The following formulas can therefore be used in the same way for estimating the ratio. As both couples are eligible for the KLoSA survey, information on children provided by the first respondent of the couple was used for the remaining member of the couple.

Loop: If the survey questions from one number to the next are about issues related to an event or a person, the block of questions will be repeated for the number of events or persons in question. For example, the 11 questions Ba01 to Ba11 in the Family category ask for the first child's basic background (ie date of birth, education, marital status, etc.). Such a set of queries repeated for the number of events or children involved is a loop.

By doing so, respondents will learn that they cannot move on to the next question when they refuse to answer. They are variables that are adjusted from the basic variables given in the questionnaire for the convenience of users.

Demographics

Family

If the respondent considers his/her non-biological father as his/her father and so answers, his/her answer will be respected. Monetary support (further classified into regular and casual): Monetary support includes cash as well as payment of various bills including medical expenses, payment of insurance premium, tuition, monthly payment for the purchase of a house, money deposited for the rental house and the monthly rent. Regular / occasional support: Regular support refers to support that is provided on a regular basis (once a month or once every two months) and occasional support refers to support for expenses that occur irregularly or unexpectedly ( eg medical expenses, tuition, living expenses (irregularly provided expenses) excluding holidays or birthdays.

Non-monetary support refers to support in the form of actual items or gifts rather than cash. Information about contact and monetary transfer with children who do not live together: Questions Ba12 to Ba46 deal with information about how often contacts or transfers are made between respondent and children who do not live together. Question flow of monetary/non-monetary support to parents: For questions asking whether respondent provides monetary/non-monetary support to parents who do not live together, a different set of questions is asked depending on the following conditions.

B065~B102 Only father lives or parents live separately, even if both parents are alive. B103~B140 Only mother lives or parents live separately, even if both parents are alive.

Health

Difficulty in performing daily activities due to temporary pain or injury that the respondent expects to last less than three months is excluded as it is assumed that the respondent will perform daily activities without assistance after some time. The fact that the respondent is not engaged in IADL because there are helpers around or the respondent is unwilling to do does not qualify a "I need help" situation. Difficulty performing IADLs due to physical, mental, or cognitive problems qualifies as a situation requiring assistance.

Caregiver in the Family category is when the respondent helps other family members who have difficulty performing daily activities, while ADL/IADL helper in this category is a person who helps the respondent perform daily activities due to the respondent's physical, mental and cognitive problems. The respondent can name up to three helpers in the order of the most often helpful person to the least helpful person. Matters requiring attention regarding medical expenses: Amounts paid by the respondent are measured.

Medical expenses are broken down into hospitalization costs due to injury, surgery or illness that. Considering the housing structure in Korea and the practicality of the measurement methods that interviewers can use, it was decided to measure grip strength for the first baseline survey.

Employment

Employed means anyone who works on a contract with and receives a salary from an employer. Self-employed refers to anyone who runs a business or works with tangible or intangible assets. Only people with 18 working hours or more according to the rules for the Economically Active Population Survey from the National Statistics Office are included.

If family workers are paid a regular payment in any form, they are considered employed regardless of the 18-hour work requirement. Once employment status is determined at entry, the employed will be asked questions D101 to D206, self-employed D301 to D362, unpaid family workers D401 to D452, unemployed D501 to D532 and retired D601 to in D622. However, questions about recent work in D700 are added for unemployed in D500 with previous work experience and retired in D600.

Income

Assets and Debts

Expectations and Life Satisfaction

Rules for variable name on loop questions: 'basic variable name+sequence number' (see box below for illustration). IWER: Please double check the spelling of the name if the same name is used in Coverscreen. The most complicated combination of variable name is when loop and multiple choice questions are.

For the variable name, the above rules apply, but the order will be the base variable name followed by the loop variable name and then the multiple response variable name. For example: R received regular cash transfer from the first born and random cash transfer from the second. In the Family and Household Transfer session, we imputed only children's demographic information and regular/irregular monetary transfers.

For example, variable w01BA15 asked whether respondents received a cash transfer from their children. We attributed the money transfer amount for each child separately, not the total amount for all children. The variable 'salary2' measures the monthly income from side jobs of wage earners, self-employed and pensioners.

If the answer was from an indicator variable, participants had to answer the exact amount, and if the answer was from the indicator variable, participants skipped the rest of that part.

DEMOGRAPHICS

GENERATED VARIABLES

You will also find questionnaire and codebook in Data Service System of the Korea Labor Institute where raw data is and it is identical to files found in the KLoSA web wite. When you click on the Data Download button, you will automatically be directed to Data Service System where data is. Users must have pop-up blocking disabled on their browser to enter Data Service System.

The first section is a rectangular box on the left, the second is the main section in the middle of the right side, and the third is a horizontal box on the top. If users want to download partial data by topic or keyword, go to "Download Selected Variables" in the second section. Users who want to download the full dataset can download data (raw data), questionnaire and codebook.

The data do not include survey question variables, but instead are imputed non-response data primarily in the assets or income category. 2-1 in Figure VI-1, users can search and download variables by topic or keyword in the search conditions.

참조

관련 문서

Between 2000 and 2011, the number of physicians has grown in most OECD countries, both in absolute number and on a per capita basis.. The growth rate was particularly rapid in