Study Chen et al. (2005): study JP 1999
- Public
- 9-10 aged children followed 3 years, Japan 1999-2002
- Survey name
- JP-Toyama Birth Cohort Study
- Sample
- Respondents
- N = 7794
- Non Response
- 14,4%
- Assessment
- Questionnaire: Paper & Pencil Interview (PAPI)
Correlate
- Authors's Label
- Television viewing
- Our Classification
-
-
- Error Estimates
- T1-T2 correspondence r=+,23
- Remarks
- Assessed at T1 and T2 with 3 year difference
- Distribution
- N= 1:1988(25,5)%; 2: 3008 (38,6)%; 3:2798(35,9)%
- Operationalization
- Self report on question on hours television viewing:
1: <2h
2: 2-3h
3: ≥3h
Observed Relation with Happiness
vs 2-3h OR = 1,02 CI95[0,91-1,14]
vs ≥3h OR = 1,24 CI95[1,10-1,39]
OR no controls
vs ≥3h OR = 1,22 CI95[1,07-1,38]
OR controlled for
- age
- sexe
- T1 BMI
vs ≥3h OR = 1,15 CI95[1,01-1,31]
OR additionally controlled for:
- Preference for physical activity
- Frequency of physical activity
- breakfast eating
- Bedtime
- Sleep duration
- age
- sexe
- T1 BMI
%happy %unhappy difference
- <2h 43,6 56,4 -12,8
- 2-3h 43,2 56,8 -13,6
- ≥3h 38,4 61,6 -23,2
- <2h to ≥2 h 41,4 58,6 -17,2
- ≥2h to <2 h 42,5 57,5 -15,0
- ≥2h to ≥2 h 39,4 60,6 -21,2
Remained <2h TV watching often
vs <2h to ≥2 h OR =1,15 CI95[0,95-1,39]
vs ≥2h to <2 h OR =1,10 CI95[0,96-1,25]
vs ≥2h to ≥2 h OR= 1,24 CI95[1,09-1,42]
OR not controlled
Remained <2h TV watching
vs <2h to ≥2 h OR =1,15 CI95[0,94-1,41]
vs ≥2h to <2 h OR =1,06 CI95[0,92-1,22]
vs ≥2h to ≥2 h OR= 1,22 CI95[1,06-1,40]
OR controled for
- age
- sexe
- T1 BMI
vs ≥2h to <2 h OR =1,09 CI95[0,94-1,25]
vs ≥2h to ≥2 h OR= 1,20 CI95[1,03-1,39]
OR controled for
OR additionally controled for:
- Preference for physical activity
- Frequency of physical activity
- breakfast eating
- Bedtime
- Sleep duration
- Video game playing
- age
- sexe
- T1 BMI
T1-T2 difference: 3 years