Table 3.

Physical Activity, Fitness, Dietary, and Weight Changes at 12 Months From Baseline by Group Assignment

Measure	No. of Exercisers	No. of Controls	Exercisers		Controls		Difference		P
			Mean	95% CI	Mean	95% CI	Mean	95% CI
Total activity, h/wk	152	153	5.3	2.3 to 8.3	0.6	−3.6 to 4.8	4.7	−0.5 to 9.8	.075
Total activity, MET-h/wk	152	153	27.8	18.7 to 36.8	−0.2	−12.9 to 12.6	28.0	12.4 to 43.5	.001
Occupational activity, h/wk	152	153	1.2	−1.0 to 3.5	−0.5	−3.4 to 2.5	1.7	−2.0 to 5.4	.355
Occupational activity, MET-h/wk	152	153	4.6	−1.6 to 10.9	−1.5	−10.3 to 7.4	6.1	−4.7 to 16.9	.268
Household activity, h/wk	152	153	0.5	−1.4 to 2.3	−0.2	−2.7 to 2.4	0.7	−2.5 to 3.8	.679
Household activity, MET-h/wk	152	153	2.6	−2.5 to 7.8	−2.4	−9.9 to 5.2	5.0	−4.1 to 14.1	.282
Recreation activity, h/wk	152	153	3.5	2.8 to 4.1	1.2	0.4 to 1.9	2.3	1.3 to 3.3	< .001
Recreation activity, MET-h/wk	152	153	20.2	17.3 to 23.1	3.2	0.7 to 5.7	17.0	13.2 to 20.9	< .001
Maximal oxygen consumption, mL/kg/min	147	151	3.9	2.8 to 4.9	0.7	−0.2 to 1.6	3.2	1.7 to 4.6	< .001
Total energy intake, kcal/d*	150	153	−44.8	−107.4 to 17.8	−161.3	−225.3 to −97.3	116.5	27.4 to 205.7	.011
Body weight, kg	152	155	−2.3	−2.9 to −1.7	−0.5	−1.0 to 0.1	−1.8	−2.6 to −1.0	< .001

Abbreviation: MET, metabolic equivalent.

^*Estimated from food frequency questionnaire.