Table 3. Influences on physical activity expressed as counts per minute or the ratio of activity to sedentary time.

	Counts per minute			Ratio of LMV:S activity
	Ratio	95% CI	P	Ratio	95% CI	P
Sex (boys versus girls)	1.03	0.99, 1.07	0.078	1.12	1.02, 1.22	0.014
Age: 4 (all compared with age 3)	0.62	0.59, 0.64	< 0.001	0.49	0.45, 0.54	< 0.001
5	0.58	0.56, 0.60	< 0.001	0.49	0.45, 0.54	< 0.001
5.5	0.46	0.44, 0.48	< 0.001	0.41	0.37, 0.45	< 0.001
6.5	0.50	0.47, 0.52	< 0.001	0.55	0.50, 0.61	< 0.001
7	0.49	0.47 0.51	< 0.001	0.56	0.51, 0.62	< 0.001
Number of valid hours (hour)	1.02	1.01, 1.03	< 0.001	1.08	1.07, 1.09	< 0.001
Weekend (compared with weekday)	1.03	1.02, 1.04	< 0.001	0.94	0.91, 0.96	< 0.001
Maximum temperature (°C)	0.998	0.996, 0.999	0.002	1.00	0.99, 1.01	0.258
Minimum temperature (°C)	0.997	0.995, 0.999	0.006	0.98	0.97, 0.99	< 0.001
Rainfall (mm)	0.998	0.997, 0.999	< 0.001	0.99	0.98, 0.99	< 0.001

Estimates are expressed as ratios which can also be interpreted as percentage difference