Outline of the Sixth Longitudinal Survey of Babies in 21st Century

Ministry of Health, Labour and Welfare

Japanese

Overview

1. Objectives

This longitudinal, approval statistical survey follows the same subjects over a long period, and has been conducted since the Fiscal Year 2001. The purpose of this survey is to obtain basic data for planning and implementing various policy measures, including countermeasures against the falling birthrate, designated by the Ministry of Health, Labour and Welfare, through monitoring the status of babies born in the first year of the 21st century, and changes affecting this status over the years.

2. Scope

This survey is targeted at babies, including each sibling of twins and triplets, who were born in Japan during the periods between January 10 - 17 and July 10 - 17, 2001. The Ministry of Health, Labour and Welfare sampled the survey subjects based on the Vital Statistics Data.

3. Dates of the Survey

The survey was conducted on August 1, 2006 for infants born in January, and on February 1, 2007 for those born in July (The age of the infants: 66 months old).

4. Contents of the Survey

(1) Family status

Family members living together, caregivers and the employment status of the parents

(2) Children’s living status

Wakeup time and bedtime, play areas, playmates, worry about play, lessons, hours spent watching TV, hours spent playing computer games, children’s ways to have contact, children’s behaviors, help by children, and illnesses and injuries

(3) Attitude toward child rearing

Parents’ way to have contact with children, particular points of care at mealtime, satisfaction from child rearing, burdens and worries about child rearing, child-rearing expenditures

*Refer to “List of Survey Items” for survey items in the 1st through 6th surveys.

5. Method of the Survey

The questionnaires were delivered and collected by post.

6. Collection of the Questionnaires

The numbers of questionnaires delivered and collected were as follows:

  Babies born in January Babies born in July Total
  No. of
questionnaires
delivered
No. of
questionnaires
collected
Rate of
collection
No. of
questionnaires
delivered
No. of
questionnaires
collected
Rate of
collection
No. of
questionnaires
delivered
No. of
questionnaires
collected
Rate of
collection
1st survey 26,620 23,423 88.0% 26,955 23,592 87.5% 53,575 47,015 87.8%
2nd survey 23,391 21,923 93.7% 23,575 22,002 93.3% 46,966 43,925 93.5%
3rd survey 23,374 21,365 91.4% 23,523 21,447 91.2% 46,897 42,812 91.3%
4th survey 22,439 20,699 92.2% 22,398 20,860 93.1% 44,837 41,559 92.7%
5th survey 21,735 19,824 91.2% 21,824 19,993 91.6% 43,559 39,817 91.4%
6th survey 21,020 19,154 91.1% 21,167 19,381 91.6% 42,187 38,535 91.3%

7. Notes

(1) Symbols used in the tables
Magnitude zero -
Statistical item not applicable
Minor proportion less than 0.05 0.0

(2) The numbers indicated in this outline are rounded. The grand total may not equal the sum of the breakdown numbers.


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