CABLEChild and Adolescent Behaviors

in Long-term Evolution: A School-based Healthy Lifestyle Study

PI： Lee-Lan Yen ( 李 蘭 )Szu-Hsien T. Lee ( 李思賢 )

Likwang Chen ( 陳麗光 )

Chuhsing K. Hsiao ( 蕭朱杏 )

Ling-Yen Pan ( 潘怜燕 )

WHY NAMED “CABLE”？Cross-sectional

Longitudinal

Individual

Family/Group

School/Society

Changeability

BACKGROUND

Childhood experiences associated with health

and social behavior in later life.

Early and successful interventions can

improve children’s health and reduce risk.

Few long-term studies on child’s health

behaviors.

AIMSTo understand the status and types of health

lifestyle

To investigate children’s developments and

changes of health lifestyle over time

To explore the determinants of participants’

healthy/unhealthy lifestyle

To describe children’s mental health

AIMS (continued)

To describe the relationship between

health lifestyle and physical health

among the selected students

To cultivate outstanding researchers

M25 C25M15 C152005

M24 C24M14 C142004

M23 C23M13 C132003

M22 C22M12 C122002

M21 C21M11 C112001

Grade8Grade7Grade6Grade5Grade4Grade3Grade2Grade1Year

RESEARCH DESIGN

M1: The 1st cohort in metropolitan area M2: The 2nd cohort in metropolitan area C1: The 1st cohort in countryside area C2: The 2nd cohort in countryside area

CABLE PROJECT of YEAR 2002

Sub-project 1: Developments and Changes in the Health Behaviors among the Primary School Children

Sub-project 2: Psychosocial Changes and Health-Related Behaviors among the Primary School Children.

Independent Variables1.Intrapersonal Factors‧Demographic var‧Health history‧Personal traits

2.Family Factors‧Demographic var‧Family structure‧Family SES

3.School‧Size‧Personnel‧Facilities‧Health services and policies

4.Controlled Factors‧Area‧Grade‧Survey time

Intermediate Variables

Intrapersonal Factors

Time 1

‧Health belief

‧School performance

‧Behavioral

capability

Time 2

‧Health belief

‧School performance

‧Behavioral

capability

Family Factors

Time 1‧Parent’s marital status‧Parent’s health belief‧Parent’s health behaviors

Time 2‧Parent’s marital Status‧Parent’s health belief‧Parent’s health behaviors

Interpersonal Factors

Time 1

‧Family support

‧Family interaction

‧Relationship with

others

Time 2

‧Family support

‧Family interaction

‧Relationship with

others

Health Lifestyle

Time 1‧Health risk behaviors‧Health protecting behaviors‧Health promoting behaviors

Time 2‧Health risk behaviors‧Health protecting behaviors‧Health promoting behaviors

Health Status

Time 1

‧Physical health

‧Psychosocial

health

Time 2

‧Physical health

‧Psychosocial

health

Figure 1. The Framework of CABLE Ⅱ

Sub-project 1

Health Lifestyle

Time1 Time2

Health Status

Time1 Time2

Time1 Time2

Independent Variables

Intermediate Variables

Intrapersonal Factors

Family Factors

Interpersonal Factors

Time1 Time2

Time1 Time2

Sub-project 2Health Lifestyle

Time 1

•‧Health risk behavior•‧Health protecting behavior•‧Health promoting behavior

Time 2

•‧Health risk behavior•‧Health protecting behavior•‧Health promoting behavior

Health Status

Time 1‧Psychosocial Health

Time 2‧Psychosocial Health

METHODSSAMPLING

Stratified Sampling

School size

Large(400 人 ) 、 Medium(200-399 人 ) 、 Small

(50-199 人 )

Number of qualified school

Hsing-Chu :79(50 students per grade)

Taipei City :152 (50 students per grade)

Participants Recruitment Criteria

Study Participants*Estimated numbers

( participant / grade ) Stratum ( student / grade )

Schools Students Parents

Large (400)

1 400 800

Medium (200~399)

2 400 (2002)

800

Small (50~199)

6 420 (706) 840

Total 9 1220 2440

* Numbers are for a certain urbanization level. Both Taipei City and Hsing-Chu County have the same sampling scheme.

List of randomly selected schools

Name of schoolsSize

Taipei Hsing-Chu

L 市立內湖國小 縣立山崎國小

M 市立民生國小 縣立大同國小

M 市立康寧國小 縣立中山國小

S 市立成德國小 縣立六家國小

S 市立溪口國小 縣立雙溪國小

S 市立景美國小 縣立碧潭國小

S 國立政大附設實驗學校 縣立橫山國小

S 國立台北師院附小 縣立芎林國小

S 市立東園國小 縣立竹中國小

STUDY FRAMEWORK

Intrapersonal Factors

Interpersonal Factors

Organizational Factors

Health Lifestyle

Health Status

PROGRESS

samplinginstrument developmentpilot studydata collection

2001.10-11

CONTENT of INSTRUMENT

CABLE school profile CABLE student profileCABLE questionnaires

Version• 1st grade、 4th grade、 parents(include fathers and mothers)

Scales in each version• CABLE health lifestyle scale

• CABLE family interaction scale

• CABLE social anxiety scale etc..

STATISTICAL ANALYSIS

Consider longitudinal observations effects from various levels

• individual, school, area

Use multilevel model for analysis

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ANTICIPATED RESULTS and CONTRIBUTIONS

To describe the health lifestyle of children

over time

To determine the factors associated with the

changes of health lifestyle

To uncover the plausible pathways of health

behavior development

ANTICIPATED RESULTS and CONTRIBUTIONS

To investigate the factors correlated to healthy

behavioral developments

To provide policy-related evidence for policy

makers

To promote academic research performance

through publishing papers in professional

journals

~Thank You~