Seasonal changes in objectively measured sedentary behavior and physical activity in Japanese primary school children

Tanaka, Chiaki; Reilly, John J.; Tanaka, Maki; Tanaka, Shigeho

doi:10.1186/s12889-016-3633-5

Table 4 Associations between changes in sedentary behavior or physical activity and a television in the bedroom

From: Seasonal changes in objectively measured sedentary behavior and physical activity in Japanese primary school children

Dependent variables	Ownership of television at the participant’s bedroom	Boys (Yes: n = 18, No: n = 78)				Girls (Yes: n = 28, No: n = 81)
Dependent variables	Ownership of television at the participant’s bedroom	Estimated mean	SE	B	P-value	Estimated mean	SE	B	P-value
Δsedentary behavior (min/day)	Yes	26.5	11.2	25.9	0.036	24.7	10.3	14.6	0.204
Δsedentary behavior (min/day)	No	0.6	6.2	0.0		10.1	6.0	0.0
Δsedentary behavior (min/day) ^a	Yes	26.5	11.0	28.1	0.022	24.7	10.3	15.0	0.196
Δsedentary behavior (min/day) ^a	No	−1.7	6.3	0.0		9.8	6.1	0.0
ΔLPA (min/day) Ambulatory	Yes	−17.2	5.0	−3.9	0.477	−16.5	3.5	−2.5	0.510
ΔLPA (min/day) Ambulatory	No	−13.3	2.8	0.0		−14.0	2.0	0.0
Ambulatory ^a	Yes	−17.2	5.0	−3.5	0.525	−16.6	3.5	−2.6	0.507
Ambulatory ^a	No	−13.7	2.8	0.0		−14.0	2.0	0.0
Non-ambulatory	Yes	−26.1	9.7	−12.0	0.259	−32.5	6.5	−6.1	0.398
Non-ambulatory	No	−14.2	5.3	0.0		−26.3	3.8	0.0
Non-ambulatory ^a	Yes	−25.9	9.8	−12.2	0.253	−32.1	6.6	−5.8	0.429
Non-ambulatory ^a	No	−13.7	5.4	0.0		−26.3	3.8	0.0
Total	Yes	−43.5	11.2	−15.8	0.200	−48.8	8.2	−8.6	0.346
Total	No	−27.8	6.1	0.0		−40.2	4.8	0.0
Total ^a	Yes	−43.8	11.3	−15.6	0.206	−48.7	8.3	−8.5	0.359
Total ^a	No	−28.1	6.2	0.0		−40.2	4.8	0.0
ΔMVPA (min/day) Ambulatory	Yes	−12.7	3.5	−6.2	0.109	−7.7	1.5	−1.0	0.531
ΔMVPA (min/day) Ambulatory	No	−6.5	1.9	0.0		−6.6	0.9	0.0
Ambulatory ^a	Yes	−12.8	3.5	−5.9	0.121	−7.9	1.5	−1.3	0.430
Ambulatory ^a	No	−6.9	1.9	0.0		−6.6	0.9	0.0
Non-ambulatory	Yes	0.5	1.6	−0.2	0.892	−3.7	1.0	−1.8	0.121
Non-ambulatory	No	0.7	0.9	0.0		−1.9	0.6	0.0
Non-ambulatory ^a	Yes	0.5	1.6	−0.2	0.912	−3.7	1.0	−1.9	0.102
Non-ambulatory ^a	No	0.7	0.9	0.0		−1.9	0.6	0.0
Total	Yes	−12.3	4.2	−6.6	0.159	−11.4	2.0	−2.8	0.215
Total	No	−5.7	2.4	0.0		−8.6	1.2	0.0
Total ^a	Yes	−12.4	4.2	−6.5	0.160	−11.7	2.0	−3.3	0.139
Total ^a	No	−5.9	2.4	0.0		−8.4	1.2	0.0
ΔMPA (min/day) Ambulatory	Yes	−10.7	3.1	−6.3	0.063	−5.9	1.4	−0.8	0.600
ΔMPA (min/day) Ambulatory	No	−4.4	1.7	0.0		−5.1	0.8	0.0
Ambulatory ^a	Yes	−10.8	3.0	−6.1	0.069	−6.0	1.4	−1.0	0.510
Ambulatory ^a	No	−4.6	1.7	0.0		−5.0	0.8	0.0
Non-ambulatory	Yes	1.2	1.5	0.1	0.960	−3.3	1.0	−1.6	0.133
Non-ambulatory	No	1.1	0.9	0.0		−1.7	0.6	0.0
Non-ambulatory ^a	Yes	1.2	1.6	0.1	0.956	−3.4	1.0	−1.7	0.120
Non-ambulatory ^a	No	1.1	0.9	0.0		−1.7	0.6	0.0
Total	Yes	−9.8	3.7	−6.4	0.118	−9.3	1.9	−2.8	0.180
Total	No	−3.4	2.1	0.0		−6.6	1.1	0.0
Total ^a	Yes	−9.9	3.7	−6.4	0.117	−9.5	1.8	−3.1	0.127
Total ^a	No	−3.5	2.1	0.0		−6.4	1.1	0.0
ΔStep count (steps/day)	Yes	−2337	701	−758	0.329	−1820	385	−197	0.646
ΔStep count (steps/day)	No	−1580	396	0		−1623	228	0

Abbreviations: LPA light physical activity, MVPA moderate-to-vigorous physical activity, MPA moderate physical activity, SE standard error, Δ change, Δvariables were calculated as follow-up values minus baseline values, adjusted for school, follow-up periods, age and sedentary behavior or moderate-to-vigorous physical activity at baseline

Back to article page

ISSN: 1471-2458

Contact us

Submission enquiries: bmcpublichealth@biomedcentral.com
General enquiries: ORSupport@springernature.com

BMC Public Health

Contact us